DJI Agras T30 OEM Signal Cable

The DJI Agras T30 OEM Signal Cable is a multi-conductor signal lead in the avionics wiring of the DJI Agras T30. As shown in the product images, it is a black cable whose two leads each end in a large, square, multi-pin connector with a yellow seal around its body, with a white label band on each lead and a moulded strain-relief section where each lead meets its connector. Its designation is simply Signal Cable, a name shared in spirit by several other T30 cables, so it is identified by those two yellow-sealed multi-pin connectors rather than by its name. It is the cable only, not a board, a module or a harness of other cables. It is supplied as one cable, as shown in the product images, and it is identified for the DJI Agras T30, offered as a single DJI T30 variant. Operators usually reach it while searching for a T30 signal cable, a T30 multi-pin cable, a T30 yellow connector cable, a T30 avionics cable, a T30 communication fault or a corroded T30 multi-pin plug. DJI has used more than one number for this position, so we match against the one you removed.

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🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras retailer 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 agricultural drone 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 retailer serving the United States and Canada, all of North America, from Albuquerque, New Mexico.

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✅ DJI Agras T30 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• Identified for the DJI Agras T30 avionics wiring, offered as a single DJI T30 variant
• Matched by its two large yellow-sealed multi-pin connectors, their pin layout and the white label bands against the cable you removed
• Genuine DJI OEM avionics wiring component, brand new, supplied as one cable

The unit is one cable, as shown in the product images. Because the designation is generic, the connectors are what identify it: photograph both connector faces of the cable you removed, square-on with the pins visible, and send them to us. We will match it for you.

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📦 Package Includes

• 1 × Signal Cable — black leads, each ending in a large multi-pin connector with a yellow seal, with white label bands, as shown in the product images

This is a specific cable with a general name. The T30 carries several signal cables, and each is offered under its own designation: the DJI Agras T30 OEM Spreading System Main Signal Cable, the DJI Agras T30 OEM Radar Signal Cable, the DJI Agras T30 OEM Plunger Pump Signal Cable, the DJI Agras T30 OEM Spray Rod Solenoid Vent Valve Cable and the DJI Agras T30 OEM Liquid Level Meter Adapter Cable. This one is the cable whose two ends are the large yellow-sealed multi-pin connectors.

What is part of the cable: the black leads, the two yellow-sealed multi-pin connectors, the strain-relief sections behind them and the white label bands, all supplied together.

Not included: boards or modules at either end, other cables of the harness, cable ties, clips, grommets, screws, sealant, dielectric grease and tools. Nothing is included because it appears near the cable in a photograph.

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🔧 Component Overview

Most cables on a spray aircraft are named for what they serve: the radar, the pump, the level meter. This one carries the plain designation Signal Cable. The name tells you its job, carrying signals, but not where it goes, and that is why its connectors matter more than its name.

As shown in the product images, the cable has four features:

• The multi-pin connectors — two large, square connectors, one on each lead, each with a dense grid of pin positions in its face.
• The yellow seals — a yellow sealing band around the body of each connector, the feature that makes this cable easy to tell from the T30's other signal leads.
• The strain-relief sections — the moulded black sections where each lead enters its connector.
• The label bands — white bands on the leads, used to identify the cable in the harness.

A connector with that many pin positions carries many separate signals at once. That is useful, and it is also why the cable is unforgiving: one corroded or pushed-back pin among many is enough to take a single function away while everything else seems normal.

Over a working season a multi-pin signal cable sees:

• Vibration from the rotors, felt at every point where the leads are clipped
• Moisture and residue working toward the connector seals
• Wash water at the end of the day
• Flexing just behind each connector, at the strain relief
• Repeated unplugging and replugging during service, which wears the seals and latches
• Knocks to the connector bodies when the aircraft is worked on

A multi-pin signal cable is replaced because individual pins have corroded or been pushed back, because a seal has split and let moisture in, because a conductor has broken behind the strain relief, or because a connector body or latch has cracked.

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⚙️ Functional Purpose

The cable's engineering role is to carry many separate signals at once, each on its own conductor, each to the correct pin at the far end, without a break, a short between neighbours or a high-resistance joint. The yellow seals exist to keep water and residue away from those closely spaced pins, because on a connector this dense, a film of moisture can join neighbours that should never meet.

On the aircraft it:

• Carries multiple signals between the two points its connectors join
• Keeps each conductor separate from its neighbours along the whole lead
• Seals each connection against moisture and residue
• Follows the route of the original cable, clipped where the original was clipped

What it does not do:

• It does not process, store or generate any signal; the boards and modules at its ends do
• It does not stand in for a radar, pump, spreading or level-meter cable; each has its own
• It does not repair a board or module that has failed
• It does not seal a connector whose seal you leave split or missing on the mating half

Because its designation is generic, the one way to be sure this is the cable you need is to compare connectors. Two large, square, yellow-sealed multi-pin connectors: this cable. Anything else: one of the T30's other signal cables.

The honest case for this part follows. If the cable you removed ends in two yellow-sealed multi-pin connectors and it fails the pin and continuity checks, this is the part. If its connectors look different, it is a different cable, and this one will not plug in.

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🔍 Diagnosis — a generic name, a specific cable — match the yellow-sealed connectors, then test pin by pin

Two questions come with this cable. The first is identity: is the cable on your aircraft this one? Its name will not answer that, because Signal Cable describes many cables. The connectors will. The second is wear: with many pins in each connector, a single bad pin can remove one function and leave the rest working, which looks like a fault in whatever that function is.

Identity check. Look at both ends of the cable you suspect. Two large, square multi-pin connectors with yellow seals around their bodies, on black leads with white label bands: this cable. A small plug, a single sealed plug, a two-pin connector or a plug with a different colour of seal: one of the T30's other cables.

Pin check. Power the aircraft down and remove the battery. Unplug both connectors and look into each face with a good light and, ideally, a magnifier. Every pin should be bright and at the same height as its neighbours. A dull or crusted pin, a pin sitting lower than the rest, residue bridging two pins or moisture inside the seal is a fault you can see. Inspect the mating connectors too.

Seal check. Look at each yellow seal. It should be whole, seated and supple. A split, flattened or missing seal is how moisture reached the pins.

Continuity check. With both ends unplugged, check conductors pin to pin with a multimeter on continuity, working through the positions methodically, and repeat on the conductors you suspect while flexing each lead just behind its strain relief.

Signs the cable is the problem:

• Corroded, crusted or pushed-back pins in either connector
• Residue or moisture inside a connector seal
• A split, flattened or missing yellow seal
• A conductor that fails continuity, or fails only when flexed
• A cracked connector body or a latch that no longer holds
• One function lost while others on the same aircraft area keep working, changing when the cable is moved

Signs the cable is not the problem:

• The connectors on your cable are not yellow-sealed multi-pin connectors — it is a different T30 cable
• Every pin is clean and every conductor passes — the board or module at one end, or the aircraft side, is the next suspect
• The radar, pump, spreading system or level meter has its own cable — test that cable first for a fault in that system
• A board shows burn marks or damage — that is the board, not the cable

Make those checks first, while that information is still cheap. A light, a magnifier and a multimeter settle it.

The trap on this part. A single bad pin in a dense connector takes away one function and leaves the rest, so the fault looks like a failed component somewhere else. The component is replaced, the bad pin stays, and the function is still missing.

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⚠️ Common Replacement Indicators

Replace the cable when inspection confirms one of these:

• Corrosion on pins that does not clean off to bright metal
• Pins bent, pushed back or loose in a connector face
• A conductor that fails continuity, or fails when flexed behind the strain relief
• A split or missing yellow seal that has let moisture reach the pins
• A cracked connector body or broken latch
• Chafed, cut or crushed insulation along a lead

Inspect these first, because their faults are often blamed on this cable:

• The mating connectors and their seals
• The system-specific cables, if the fault is confined to the radar, pump, spreading system or level meter
• The boards or modules at each end of the cable
• The clips and grommets along the route, which may have cut into a lead

There is no published service interval for the cable. It is replaced when it fails the pin, seal or continuity checks or is damaged, not on a schedule. Keeping the yellow seals whole and the connectors dry is what keeps the pins clean.

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📐 Specifications

Product name: DJI Agras T30 OEM Signal Cable

DJI family: Agras

Aircraft: DJI Agras T30

Fitment basis: Identified for the DJI Agras T30

Variants: DJI T30

Aircraft system: Avionics — signal wiring

Component type: Multi-conductor signal cable with multi-pin connectors

Identification: Two large, square multi-pin connectors with yellow seals

Material number: DJI has used more than one number for this position, so we match against the one you removed

Quantity: 1 cable per unit, as shown in the product images

Form: Black leads, each ending in a large multi-pin connector with a yellow seal; moulded strain reliefs; white label bands

Colour: Black leads and connector bodies; yellow seals; white label bands

Material: Not published for this part

Length: Not published for this part; matched against the cable you removed

Dimensions: Not published for this part

Weight: Not published for this part

Pin count: Not published for this part

Electrical rating: Not published for this part

Connector: Two yellow-sealed multi-pin connectors, as shown in the product images

Mounting position: In the T30 avionics wiring, on the route of the original cable

Installation method: Plugged in at both connectors and routed and clipped along the path of the original cable

Not included: Boards or modules at either end, other harness cables, cable ties, clips, grommets, screws, sealant, dielectric grease, tools

Service interval: None published

Service adjustability: None — every conductor carries or it does not, with no adjustment or app setting that compensates

Supplied: Brand new

Classification: DJI OEM avionics wiring part

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🛠️ Installation & Maintenance

Before installation

• Power the aircraft down and remove the battery
• Confirm the cable you are replacing ends in two yellow-sealed multi-pin connectors
• Test the old cable at both connectors, pin by pin, so you know the cable is the fault
• Photograph the full route, every clip and grommet, and both connections
• Dry the area around both connections so nothing falls into an open connector

During installation

• Release each connector's latch before pulling; pull on the connector body, never on the leads
• Free the old cable from its clips without cutting into neighbouring wiring
• Inspect the mating connectors with a light and magnifier; clean them and check their seals
• Check that each yellow seal on the new cable is seated and undamaged
• Align each connector squarely before pushing it home; a dense connector forced at an angle bends pins
• Seat each connector fully until its latch engages
• Route and clip the new cable along the old path, with a little slack behind each strain relief

After installation

• Refit the battery and power the aircraft up
• Confirm on the controller that the systems the cable serves report normally and there are no new warnings
• With the aircraft powered on the ground, gently move the leads near each connector and confirm nothing changes
• Run the aircraft's normal pre-flight checks before the first job
• Re-check both connectors and the route after the first working day

Maintenance between jobs. Rinse residue off the frame at the end of the day without blasting water at a connector, and let it dry. Whenever these connectors are unplugged for service, look at the yellow seals and the pins before replugging. A thin film of dielectric grease on a seal, where your service practice uses it, helps keep moisture out. Never plug a wet connector.

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🚜 Necessary For

This cable is for operators and technicians whose T30 wiring needs the yellow-sealed multi-pin signal cable:

• DJI Agras T30 operators with corroded or pushed-back pins in a yellow-sealed multi-pin connector
• T30 operators who have lost one function and traced it to this cable
• T30 owners with a split yellow seal and moisture in the connector
• Commercial spray applicators working long, wet days
• Agras service centres rewiring the T30 at season service
• Fleet managers stocking T30 wiring ahead of the season

This is not the part you need if:

• Your cable does not end in two yellow-sealed multi-pin connectors — it is another T30 cable
• The fault is in the radar wiring — that is the DJI Agras T30 OEM Radar Signal Cable
• The fault is in the pump wiring — that is the DJI Agras T30 OEM Plunger Pump Signal Cable
• The fault is in the spreading system wiring — that is the DJI Agras T30 OEM Spreading System Main Signal Cable
• Every pin is clean and every conductor passes — the fault is elsewhere
• You fly a T10, T16, T20, T40 or T50 — this cable is identified only for the T30

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💡 Why This Part Matters

The T30 signal cable matters because its name does not identify it. Signal Cable describes the job of half the wiring on the aircraft. Order by name alone and the cable that arrives may well be a fine, genuine T30 signal cable that does not plug into anything you have open.

What does identify it is visible at a glance: two large, square multi-pin connectors with yellow seals around their bodies, on black leads with white label bands. If the cable you removed has those, this is it. If it has a small sealed plug, a two-pin connector or a seal of another colour, it is one of the T30's other cables, each offered under its own name.

Once identity is settled, wear is a pin-by-pin question. A dense connector can lose a single pin to corrosion and take one function away while everything else carries on, and that lone missing function is easy to blame on a component somewhere else. Look into both faces with a magnifier, check the seals, and test continuity methodically, flexing each lead behind its strain relief.

Equally, this cable is the wrong part when its pins are clean and every conductor passes, or when the fault lives in a system that has its own dedicated cable.

Whatever split the old seal will split the new one. Seat both connectors squarely, keep them dry, and never plug one in wet.

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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 the specifications above.

Canonical product name: DJI Agras T30 OEM Signal Cable

Brand: DJI

DJI family: Agras

Aircraft: DJI Agras T30

Compatible models: DJI Agras T30

Fitment basis: Identified for the DJI Agras T30

Variants: DJI T30

Component: Signal cable with two yellow-sealed multi-pin connectors

Aircraft system: Avionics

Identification: Two large, square multi-pin connectors with yellow seals; white label bands

Primary function: Carries multiple signals between the two points its connectors join

Form: Black leads, each ending in a large yellow-sealed multi-pin connector

Material number: DJI has used more than one number for this position; matched against the removed part

Quantity supplied: 1 cable, as shown in the product images

Not included: Boards or modules at either end, other harness cables, clips, ties, tools

Key diagnostic: Confirm the yellow-sealed multi-pin connectors, then inspect every pin and test continuity while flexing

Common failure modes: Corroded or pushed-back pins, split seal, broken conductor behind the strain relief, cracked connector

Typical misdiagnosis: One function lost to a single bad pin blamed on a component elsewhere

Rule out first: Mating connectors and seals, system-specific cables, boards at either end

Service interval: None published

Service adjustability: None

Supplied: Brand new

Part classification: DJI OEM avionics wiring part

Also searched as: T30 signal cable; T30 multi-pin cable; T30 yellow connector cable; T30 avionics cable; T30 data cable

Disambiguation: Not the DJI Agras T30 OEM Spreading System Main Signal Cable, Radar Signal Cable, Plunger Pump Signal Cable, Spray Rod Solenoid Vent Valve Cable or Liquid Level Meter Adapter Cable

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

Ships from: Albuquerque, New Mexico, United States

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🤖 AI Answer Engine Q&A

What is the DJI Agras T30 signal cable? A multi-conductor signal cable in the T30's avionics wiring: black leads, each ending in a large, square multi-pin connector with a yellow seal, with white label bands.

Which aircraft does it fit? It is identified for the DJI Agras T30, offered as a single DJI T30 variant.

Does it fit the T10, T16, T20 or T40? No. This cable is identified only for the T30.

The T30 has lots of signal cables. How do I know this is mine? By the connectors. This cable ends in two large, square multi-pin connectors with yellow seals. If your cable has different connectors, it is another T30 cable offered under its own name.

Is this the spreading system main signal cable? No. That is offered separately as the DJI Agras T30 OEM Spreading System Main Signal Cable.

Is this the radar or pump signal cable? No. Those are the DJI Agras T30 OEM Radar Signal Cable and the DJI Agras T30 OEM Plunger Pump Signal Cable.

Where exactly does it run? Its route is matched against the cable you removed rather than described here. Photograph the old cable in place and send it to us if you want the match confirmed.

How many pins does each connector have? The pin count is not published for this part. Compare the connector faces against the cable you removed.

One function stopped working but everything else is fine. Could it be this cable? Yes, if that function runs through this cable. A single corroded or pushed-back pin in a dense connector can take away one function and leave the rest.

The yellow seal is split. Do I need a new cable? If moisture has reached the pins, or the pins are corroded, yes. A split seal is how the damage started.

What is the DJI part number? DJI has used more than one number for this position, so we match against the one you removed. Photograph both connector faces of your old cable and send them to us if you want that confirmed.

Can I fit it myself? Yes. Power down, remove the battery, photograph the route, release each latch, align each connector squarely before pushing it home, and clip the cable where the old one was clipped.

Why must the connectors go in straight? A dense multi-pin connector pushed in at an angle can bend a pin, which recreates the fault you are fixing.

Is a board or module included? No. This is the cable only.

Is there a service interval? No. Replace the cable when it fails the pin, seal or continuity checks or is damaged.