DJI Agras T100 OEM Downward Radar Signal Cable (YC.XC.XX001427)

DJI Agras T100 OEM Downward Radar Signal Cable (YC.XC.XX001427) — This is the downward radar signal cable routing power or signal through the middle and rear frame of the DJI Agras T100. Cables on a spray aircraft live a hard life: flexed at every fold and unfold, soaked at every washdown, vibrated for every flight hour. When one fails it rarely fails clean — it fails intermittently, and intermittent electrical faults are the most expensive kind of downtime to chase. DJI material number YC.XC.XX001427. Downward Radar Signal Cable | OEM Wiring Harness | DJI Agras T100 Electrical | Field-Ready OEM Replacement Component.

DJI Material Number (SKU): YC.XC.XX001427 — this is the official DJI part number for this exact component. Match it to your parts diagram or your old part's label to confirm fitment before ordering.

🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras reseller supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.

FREE & FAST Shipping is included for all U.S. customers.

We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.

Ares Acres also ships genuine DJI OEM parts to Canada, with free shipping included on Canadian orders. Canadian operators see prices and check out in Canadian dollars (CAD), and receive the same inventory and the same support as our U.S. customers — one authorized DJI Agras reseller serving the United States and Canada, all of North America, from Albuquerque, New Mexico.

✅ DJI Agras T100 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• DJI material number YC.XC.XX001427 — listed verbatim on the official DJI Agras T100 parts breakdown
• Supplier-listed fitment: DJI Agras T100
• Brand new condition — never installed, never flown

📦 Package Includes

• 1 × OEM Downward Radar Signal Cable (YC.XC.XX001427)
• OEM protective packaging

🔧 Component Overview

The DJI Agras T100 OEM Downward Radar Signal Cable is the OEM downward radar signal cable serving the middle and rear frame of the DJI Agras T100, with the exact length, connectors, and sealing the factory routing calls for.

Carrying the battery, payload structure, and rear electronics through every flight is the job description for the middle and rear frame, and this component is part of how it gets done. The T100 is a working machine — it earns its keep in fill-and-fly cycles, not hangar hours — and every component in the middle and rear frame is sized, shaped, and specified around that duty. On the official parts diagram it sits alongside Screw M30-HC080080-55-85, RTK Bracket, RTK Antenna Module.

Ignore a failing downward radar signal cable and the bill compounds: downtime in the middle of an application window, collateral wear on the parts around it, and jobs that slip to a competitor while the aircraft sits. Replacing it costs a part; not replacing it costs acres. That trade only runs one direction.

For professional farmers, aerial applicators, and commercial drone operators, this component is how the middle and rear frame stays field-ready instead of becoming the reason the aircraft sits.

This is a working part on a working aircraft.

The T100 works brutally hard for its living, including:

• Carrying the battery, payload structure, and rear electronics through every flight
• Dawn-to-dusk spray campaigns during narrow application windows
• Repeated fill-fly-return cycles with minutes on the ground between loads
• Full-payload takeoffs from field edges, dozens of times per day
• Chemical exposure from fungicides, herbicides, insecticides, and foliar fertilizers
• Pressure-washer rinse-downs at the end of every spray day
• Vibration from eight propulsion motors running at working power
• Transport bouncing on trailers and truck beds between fields
• Temperature swings from cold morning starts to full-sun afternoons

What attacks this component in the field:

• Flex cycles at every arm fold and unfold
• Vibration abrading jackets at contact points
• Washdown water working at connector seals
• Chemical mist corroding exposed terminals
• UV embrittling the outer jacket
• Strain from routing tension after field repairs
• Connector fretting from maintenance cycles
• Heat from adjacent power electronics

That duty cycle is exactly what retires this component. None of these stresses is dramatic on its own — the accumulation is what does it. This is why wiring harnesses are inspection items every time the middle and rear frame is opened up, and why operators who run hard keep spares on the shelf.

A healthy downward radar signal cable delivers:

• Factory-correct fit in the middle and rear frame — no modification, no adaptation
• Exact OEM behavior the surrounding components were engineered around
• Restored performance you can verify on the first post-repair flight
• Sealing and protection maintained to the factory standard
• One less known-weak point flying through your application window
• Confidence that the repair is done, not patched
• A maintenance log entry with a real DJI part number behind it
• Full compatibility with the parts around it — because it is the part the diagram calls for

Stock the downward radar signal cable before the season does its work, and the middle and rear frame never becomes the reason the aircraft sits.

Rule out the cheap causes before you touch the harness. A downward radar that has gone quiet is far more often blinded than disconnected: dried spray residue, mud, or a film of fertilizer on the radar face will degrade returns long before it stops the aircraft altogether. Clean the radar aperture and the surface around it with water and a soft cloth, dry it, and retest over the same ground. If the fault clears, the cable was never the problem and you have saved yourself a teardown.

The wiggle test is the single most useful thing you can do here, and it costs nothing. With the aircraft powered on a stand, propellers off, and the radar status visible on the controller or in DJI Agras Assistant, work along the cable run in short sections, flexing and gently pulling each one while a second person watches the status. A fault that appears and clears in step with what your hand is doing is inside the harness, and the section where it reacts is where the break or the chafe is. A fault that ignores everything you do to the cable is somewhere else.

Separate a cable fault from a module fault by whether the fault has a physical trigger. A radar module that has genuinely failed reports the same way every time from the moment of power-up and does not care about temperature, vibration, or arm position. A cable fault behaves like a cable: it comes and goes, it follows arm fold and unfold, it appears once the airframe is warm or after a washdown, and it is worse on rough ground than on smooth. Log when the fault appears rather than only that it appears.

Unplug both ends and look before you reach for a meter. Most harness failures on a spray aircraft announce themselves visually at the connector: green or white powder on the pins, a pin that sits lower than its neighbours, a pin that has backed out of the housing, a bent contact, a latch that no longer clicks, or a seal that has hardened and lost its shape. Photograph both connectors under good light and compare them against the new part when it arrives. Corrosion on the aircraft side of a connector means the harness was letting water in and the mating half needs cleaning too.

If you do put a meter on it, test it the way it fails. With the harness fully disconnected at both ends, check each conductor end to end, and check every conductor against every other one for a short. Do all of it while flexing the cable through its normal working range, because a cracked conductor inside an intact jacket will read perfectly continuous lying still on a bench and open the moment it is bent. Do not quote a resistance figure at yourself; you are looking for continuous versus open and isolated versus shorted.

⚙️ Functional Purpose

The downward radar signal cable is designed to do one job in the middle and rear frame and do it to specification: carrying the battery, payload structure, and rear electronics through every flight.

The component:

• Serves the middle and rear frame of the DJI Agras T100 exactly as the factory intends
• Supports carrying the battery, payload structure, and rear electronics through every flight
• Maintains the tolerances and interfaces the surrounding parts depend on
• Withstands the chemical, vibration, and washdown environment of agricultural work
• Preserves the sealing and protection strategy of the platform
• Keeps failure modes visible and diagnosable instead of mysterious
• Restores factory behavior immediately upon correct installation
• Protects the more expensive components it works alongside
• Carries the exact DJI specification for its position
• Supports safe, predictable operation under full payload
• Eliminates the guesswork of near-fit substitutes
• Keeps the aircraft inside its designed maintenance program
• Holds up across a full season of professional duty

Function on the T100 is a chain: airframe performance depends on the middle and rear frame, and the middle and rear frame depends on every part in it holding specification. This component is one link in that chain — and chains fail at the worn link, not the average one.

That is why the platform's maintenance philosophy is inspection and renewal, not run-to-failure. The operators with the best uptime records are not the ones with the newest aircraft — they are the ones who replace parts like this when inspection says so, on their own schedule instead of the failure's.

A failing downward radar signal cable costs you:

• Downtime in the middle of an application window — the most expensive hours in agriculture
• Acres not covered while the aircraft waits on a part
• Collateral wear on the components around the failing one
• Diagnostic hours chasing symptoms instead of causes
• Rework when a temporary fix lets go mid-job
• Customer trust when scheduled work slips
• Higher repair bills the longer the fault runs
• Risk exposure every flight the fault remains aboard
• Resale value on an airframe with deferred maintenance

Fix it on your schedule, not the failure's.

Get the aircraft into the same state the factory routing assumes before you start. Power down, disconnect the flight batteries, and set the arms in the position the service documentation calls for so the harness is not under tension while you work. Drain and rinse the tank if there is any product left in it, and let the airframe dry. Working on a signal harness with wet chemistry still on the frame is how you get corrosion on the new connector within a week.

Photograph the entire run before you release a single clip. On this cable the routing is the specification: which side of a frame member it passes, which clips hold it, where the service loop sits, how much slack is left at a fold joint, and which other cables it is bundled with. All of that is invisible once the old part is out, and getting it wrong is what produces a replacement harness that chafes through in a season. Take pictures at every clip, not just an overview shot.

Release connectors by the housing and the latch, never by pulling on the wire. Press or lift the latch fully before any pulling force goes on, and pull straight out along the axis of the connector rather than at an angle. A connector that will not come apart is almost always still latched or is bonded by dried product, not seized: rinse it, dry it, and look again. Rocking a connector side to side to free it damages the contacts you are trying to preserve.

Feed the new harness through the same path in the same order and clip it as you go rather than at the end. Trying to persuade a fully connected cable into its clips afterwards puts a permanent twist in it. Keep the factory service loop rather than pulling the run tight and tidy, because that slack exists so the cable can move with the airframe instead of being stretched by it. Do not overtighten cable ties on a signal cable; a tie that dents the jacket is a chafe point waiting to happen.

Seat each connector until the latch clicks, then confirm it by trying to pull it apart by the housing. A connector that is pushed home but not latched will pass a bench check and disconnect itself on the first rough field. Make sure any seal or grommet is seated evenly and unrolled, that no conductor is pinched under a cover or a clip, and that the cable is clear of anything that gets hot or moves. Then power up and confirm the radar reports normally before you close the panels rather than after.

Finish with a real test, not a power-up. With the aircraft assembled, check the radar status on the ground, then fold and unfold the arms and check it again, then hover in a clear area at low height over ground you know and confirm the aircraft holds height the way it used to. Intermittent harness faults hide from static checks, so put the airframe through the movements that were provoking the fault before you put it back on a paid job.

⚠️ Common Replacement Indicators

• Intermittent faults that move with cable flex
• Errors after arm fold or unfold
• Chafed, cut, or abraded jacket
• Corroded, bent, or discolored connector pins
• Function dropouts under vibration
• Water or chemical residue inside connector shells
• Stiff, cracked jacket from UV or chemical exposure
• Failures that clear when the connector is wiggled
• Pinched or crushed sections from previous repairs
• Melted or discolored jacket near power electronics
• Faults after a hard landing pulled routing tight
• Continuity that fails only under load

What kills wiring harnesses: the compounding of ordinary duty. Chemical exposure attacks materials, vibration works at every interface, UV ages every exposed surface, and washdowns drive water at every seam — repeated across hundreds of cycles per season. Add the occasional hard landing or transport knock and the result is predictable: the part that was fine in spring is the failure point by late season.

Replacement and verification: Replacement is a standard shop task on the T100: open access to the middle and rear frame, document connections and hardware positions, swap the downward radar signal cable for the OEM unit, and reassemble with attention to seating, routing, and torque. Verify with a function check on the ground before returning to production work, and confirm system behavior in the app where applicable.

Confirm before you order: this is DJI part YC.XC.XX001427. Check the label on your old downward radar signal cable or the position in your official parts diagram and match the number — revision suffixes like .01 or .F on a label are the same part.

Terrain following or ground-height hold that drops out mid-pass and comes back on its own: the aircraft is losing valid radar data intermittently, which is the signature of a marginal conductor or a connector that is fretting under vibration. A radar that has genuinely died stays dead; one that flickers is being fed by a connection that is only sometimes there.

A fault that appears reliably after the arms are folded and unfolded, or when the airframe is loaded on a trailer: something in the run is being stretched, pinched, or bent past what it will tolerate. Cables fail at the places they move, so a symptom that tracks arm position is telling you the flex point in the run has had enough.

The radar behaves normally on a dry morning and misbehaves after the end-of-day washdown, then recovers overnight: water is getting into a connector or a damaged section of jacket and bridging conductors until it dries out. This is one of the few electrical faults that genuinely heals itself, and it will keep doing so until the corrosion it leaves behind stops it.

Green or white crusting on the pins when you unplug it, or a connector shell that no longer holds its latch firmly: the sealing has failed and the contacts have been sitting in chemical mist. Cleaning restores it for a while, but a contact that has lost its plating will keep growing oxide and the fault will come back at the worst possible moment.

A visible shiny or flattened patch on the jacket where the cable crosses a frame edge, a fastener head, or another cable: that is abrasion in progress. Once the jacket is polished the next stage is exposed insulation and then a conductor, and the cable will fail there whether or not it is causing symptoms today.

Altitude that reads plausibly but the aircraft flies gradually lower or higher over a changing canopy than it used to: degraded rather than absent signal. Do not assume a radar problem is binary. A connection with high contact resistance can pass enough data for the system to accept it and not enough for it to be right.

📐 Specifications

DJI Material Number: YC.XC.XX001427

Part: Downward Radar Signal Cable

Type: OEM cable / wiring harness with factory connectors

Compatibility:

• DJI Agras T100
• Position: the middle and rear frame
• Diagram sheet: Middle & Rear Frame (1) (official T100 parts list)

Quantity: 1

Installation Area: The middle and rear frame

Function: Carrying the battery, payload structure, and rear electronics through every flight

Construction: DJI OEM harness with factory connectors, jacketing, and sealing for its exact route

Application: DJI Agras T100 airframe service and repair

Condition: Brand new

🚜 Necessary For

Built for:

• Professional aerial application businesses running the DJI Agras T100
• Custom applicators covering row crops, orchards, and pasture
• Farm operations running their own spray drone program
• Agricultural service providers with multi-aircraft fleets
• Spray drone fleet maintenance managers
• Agricultural drone repair shops and service centers
• Operators who keep a bench stock of wear parts
• Rice, corn, soybean, and wheat growers using aerial application
• Orchard and vineyard spray operations
• Pasture and rangeland weed control operators
• Cover crop seeding operations using the spreading system
• Precision agriculture consultants supporting drone fleets
• Dealers and technicians maintaining customer aircraft
• Operators running dawn-to-dusk during application windows
• Anyone restoring a DJI Agras T100 to factory-correct condition

Especially valuable during:

• Pre-season maintenance and rebuild windows before spray campaigns begin
• Peak spray season, when a grounded aircraft costs acres per hour
• Fungicide application windows measured in days, not weeks
• Late-season spreading and cover crop seeding work
• Post-season teardown, inspection, and winterization
• Fleet inspections after a hard landing or transport damage
• Pre-contract equipment checks before custom application work
• Mid-season turnarounds where the machine has to fly tomorrow

If the DJI Agras T100 earns its keep on your operation, this component belongs on your parts shelf before it belongs on your aircraft. The time to buy it is before the season, not during the failure.

While the run is open, inspect the mating connector on the aircraft side as carefully as you inspected the harness. A corroded harness connector almost always has a corroded partner, and fitting a clean new plug into a socket full of oxide gets you a short honeymoon and the same fault again. Clean it with an appropriate contact cleaner, dry it fully, and check that none of its pins are bent, recessed, or loose in the housing.

Check every clip, grommet, and tie point along the route while you can reach them. A missing clip is the reason a harness chafes, and it is invariably the thing nobody notices during a replacement. Anywhere the cable passes through a frame aperture, confirm the grommet or edge protection is present and intact, because a bare composite or metal edge will saw through a jacket faster than anything else on the aircraft.

Look at the radar module and its mounting while you are in there. A module that has been knocked, has a cracked or crazed face, or is sitting on a loose or distorted mount will give you exactly the same symptoms as a bad cable, and you are already at the point in the job where checking it is free. Confirm it is square to the airframe and that its fasteners are tight to the DJI figure, because a radar pointing the wrong way reads the wrong ground.

Inspect the other cables bundled with this one along the same route. Whatever abraded, soaked, or cooked this harness has been doing the same thing to its neighbours, and they have the same history of flex cycles and washdowns. Finding a second polished jacket in the same bundle while the panels are already off is a much better outcome than finding it in a field.

Dry and protect the area before you close it up. Any water still trapped behind a panel or in a connector cavity will be there for the rest of the season, and any product residue left on the frame keeps working on the new harness from the day it goes in.

💡 Why This Part Matters

Every acre the T100 covers depends on the middle and rear frame doing its job — and the middle and rear frame depends on parts exactly like this one.

The economics are simple. The DJI Agras T100 exists to cover ground during windows that do not wait — and every hour it sits, the work either doesn't happen or happens on someone else's schedule. A failed downward radar signal cable is rarely expensive because of what the part costs; it is expensive because of when it fails. Parts fail during use, and use happens during the season.

That is the case for OEM and the case for stocking ahead. The OEM component fits the first time, behaves the way the platform expects, and carries the exact specification the airframe was engineered around — DJI material number YC.XC.XX001427. No adaptation, no surprises, no second teardown to undo a near-fit part.

This component delivers:

• Factory-correct fit in the middle and rear frame — no modification, no adaptation
• Exact OEM behavior the surrounding components were engineered around
• Restored performance you can verify on the first post-repair flight
• Sealing and protection maintained to the factory standard
• One less known-weak point flying through your application window
• Confidence that the repair is done, not patched
• A maintenance log entry with a real DJI part number behind it
• Full compatibility with the parts around it — because it is the part the diagram calls for

Running a compromised downward radar signal cable, operators risk:

• Mid-job failure during an application window
• Collateral damage to surrounding components
• Chasing intermittent symptoms across the whole system
• Alignment and fit problems spreading to adjacent parts
• Unplanned grounding with the fleet committed to jobs
• Warranty and service complications from improvised fixes
• Higher lifetime cost from deferred maintenance
• An aircraft that cannot be trusted at full payload

Route it right. Seat it fully. Seal it down. Keep the signal clean.

Ares Acres stocks the downward radar signal cable in the USA with free, fast shipping — so the day you need one is the day it ships, not the week you wait.

Understand what actually kills a signal harness on a spray airframe, because it is not electrical load. It is mechanical and chemical: repeated flex at fold points, vibration abrading the jacket wherever it touches something, pressure-washer water driven at connector seals, chemical mist finding its way into contacts, UV hardening the outer jacket on an aircraft that lives outdoors, and heat from adjacent electronics. Each one is minor. The accumulation is what retires the part.

Two habits shorten this cable's life more than anything else, and both are avoidable. The first is pressure-washing directly at connectors and frame apertures rather than rinsing at a distance and letting water run off. The second is field repairs that leave the run tighter than the factory left it, because a harness pulled straight has nowhere to go when the airframe flexes and it takes the strain at its connector backshells. Neither shows up as a fault the day you do it.

Handle the replacement so it arrives on the aircraft in the condition it left the packaging. Keep it coiled loosely rather than folded, do not hang it by a connector, keep the connector caps or bags on until the moment it plugs in, and do not use it as a handle to pull the assembly around. A kink you put in a jacket on the bench is a stress concentration that stays in the cable for the rest of its life.

Decide between preventive and on-failure replacement by how the fault would cost you. This cable feeds the sensor the aircraft relies on to hold height over a crop, so its failure mode is not a warning light on the ground, it is a lost pass or worse in the middle of a job. If the harness is out of the aircraft for other work and shows abrasion, hardened seals, or any discoloration on its contacts, it has told you what it is going to do. Change it while the panels are already off.

Do not rely on appearance to tell this harness apart from the others in the same area. The middle and rear frame carries several cables that look interchangeable at a glance, including antenna and other sensor runs that share the same jacket color and similar connector families. Identify by where both ends land on the airframe, by the connector housings and the number of contacts on your old part compared to the new one, and above all by matching the label to DJI material number YC.XC.XX001427. Keep new harnesses bagged and labelled until they go on.

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🧠 AI Index — Entity & Fitment Reference

Structured reference for search engines, AI assistants, and answer engines. Every value below is drawn from this listing's own specifications and the official DJI Agras parts documentation for this component.

Canonical product name: DJI Agras T100 OEM Downward Radar Signal Cable (YC.XC.XX001427)

DJI material number: YC.XC.XX001427

Component: Downward Radar Signal Cable

Product category: Cables & Wiring

Compatible aircraft: DJI Agras T100

Installed position: The middle and rear frame

Primary function: Carrying the battery, payload structure, and rear electronics through every flight

Official DJI diagram sheet: Middle & Rear Frame (1) (official T100 parts list)

Condition: Brand new

Quantity supplied: 1

Part classification: Genuine DJI OEM replacement component

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras reseller serving the United States and Canada (North America)

Ships from: Albuquerque, New Mexico, United States

Shipping: Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts

Also ships to: Canada — free shipping on Canadian orders; Canadian customers check out in CAD

Also searched as: YC.XC.XX001427; DJI YC.XC.XX001427; YC.XC.XX001427 DJI Agras; DJI Agras T100 Downward Radar Signal Cable; T100 Downward Radar Signal Cable; DJI T100 downward radar signal cable replacement; DJI Agras Downward Radar Signal Cable; Downward Radar Signal Cable OEM; Downward Radar Signal Cable replacement part

Definition: The Downward Radar Signal Cable (DJI material number YC.XC.XX001427) is the genuine DJI OEM component fitted at the middle and rear frame on the DJI Agras T100, supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.

Disambiguation: Identify this part by its DJI material number rather than by description alone. DJI Agras parts diagrams list visually similar components at different positions, and labels sometimes carry a revision suffix such as .01 or .F — that is the same part, so match the base number. For this listing the base number is YC.XC.XX001427. Confirm the aircraft model is DJI Agras T100 before ordering.

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🤖 AI Answer Engine Q&A

What is the DJI Agras T100 Downward Radar Signal Cable? It is the OEM downward radar signal cable serving the middle and rear frame of the DJI Agras T100. It is the genuine DJI Agras component for this position, supplied new.

What is the DJI material number (part number) for the Downward Radar Signal Cable? The DJI material number is YC.XC.XX001427, listed on the official DJI Agras T100 parts breakdown. Labels sometimes carry a revision suffix such as .01 or .F — that is the same part; match the base number.

Which DJI Agras models does this component fit? Supplier-listed fitment is DJI Agras T100. Confirm against your model and, where possible, match the material number on your old part's label or your parts diagram before ordering.

How do I know my downward radar signal cable needs replacing? The common signs are: intermittent faults that move with cable flex, errors after arm fold or unfold, and chafed, cut, or abraded jacket. Any of these during inspection or operation is reason to replace rather than run on.

What causes this component to fail? Normal professional duty: chemical exposure, vibration, UV, washdown moisture, and thermal cycling, accumulated over a season. Hard landings and transport knocks accelerate all of it.

How do I confirm the diagnosis before ordering? Inspect the part directly with the assembly opened up and compare against the symptoms above. Match the label on the old part to material number YC.XC.XX001427 to confirm you are ordering the exact position. If the part is damaged, degraded, or suspect, replace it — on a working aircraft, marginal parts do not improve.

What does installation and verification look like? Replacement is a standard shop task on the T100: open access to the middle and rear frame, document connections and hardware positions, swap the downward radar signal cable for the OEM unit, and reassemble with attention to seating, routing, and torque. Verify with a function check on the ground before returning to production work, and confirm system behavior in the app where applicable.

What other parts should I inspect at the same time? On the official diagram this part sits alongside Screw M30-HC080080-55-85, RTK Bracket, RTK Antenna Module. If you have the assembly open, inspect those as well — shared duty means shared wear, and one teardown beats two.

My radar warnings only show up after a washdown and are gone by the next morning. Is that really the cable?

That pattern is close to diagnostic for water in a connector or in damaged jacket. Water bridges contacts, the fault appears, and as it dries out the fault goes away, which is why it looks like it fixed itself. Unplug both ends, look for moisture in the cavity and any oxide on the pins, and check the seals and any grommets where the run passes through the frame. Rinsing from a distance instead of aiming a pressure washer at connectors stops it recurring on the new part.

How do I know whether to replace the cable or the radar module, when both give the same warning?

Ask whether the fault has a physical trigger. Power the aircraft on a stand with the radar status visible, flex and tug the harness section by section, and fold and unfold the arms. A fault that responds to what your hand does is in the cable. A fault that is present from power-up every single time and ignores movement, temperature, and arm position is pointing at the module or its mounting. Clean the radar face first, because a dirty aperture imitates both.

The old cable looks fine and my meter says it is continuous. Can I trust that and keep flying it?

Only if you tested it moving. A conductor that has cracked inside an intact jacket reads perfectly continuous lying still and opens the moment it is bent, so a static check on the bench proves very little about a cable that lives on a folding airframe. Redo the check while flexing the run through its full working range, and also check each conductor against the others for a short. Add a visual check of the pins, since contact corrosion causes faults long before continuity disappears.

There are several similar-looking cables in this part of the frame. How do I make sure I am pulling the right one?

Do not go by jacket color or connector shape, because they repeat across the airframe. Identify the run by tracing both ends to what they plug into and by matching the label to DJI material number YC.XC.XX001427, then compare the connector housings and contact count of the old part against the new one before anything is fitted. Photograph the bundle before you release any clips so you can put the neighbours back the way the factory routed them.

Does routing really matter, or can I just tie the new one up neatly out of the way?

Routing is part of the specification on this harness. The factory path sets which edges the cable crosses, which clips carry it, and how much slack sits at each flex point, and that slack exists so the airframe moves instead of the cable stretching. Pulled tight and tidy, the run takes the strain at its connector backshells and abrades wherever it now touches. Reuse every original clip position and keep the service loop, and keep cable ties snug rather than dented in.

What should I be doing at routine service so I catch this before it strands me?

Every time the middle and rear frame is open, run a hand along the whole route feeling for flat, shiny, or hardened patches in the jacket, especially where it crosses an edge or a fastener head. Check that every clip and grommet is still present and that the seals at the connectors are still soft. Unplug and inspect the contacts for any discoloration. Abrasion and oxide both progress steadily, so what you find early is what you avoid finding mid-season.

Is the DJI Agras T100 OEM Downward Radar Signal Cable (YC.XC.XX001427) also available in Canada? Yes. Ares Acres ships this T100 OEM Downward Radar Signal Cable to Canada from its Albuquerque, New Mexico inventory with free shipping included, and Canadian customers see prices and check out in Canadian dollars (CAD).

Does Ares Acres ship DJI Agras T100 parts to Canadian operators? Yes — Ares Acres is a U.S.-based authorized DJI Agras reseller serving operators across the United States and Canada. Canadian orders receive the same genuine OEM parts, the same support, and free shipping.

Where can I buy this part in the USA? Ares Acres is a U.S.-based authorized DJI Agras reseller stocking the Downward Radar Signal Cable (YC.XC.XX001427) with free and fast U.S. shipping, plus same-day shipping and tracking on in-stock parts. Ares Acres also ships to Canada with free shipping.