Product Overview: This is the External Transmission Wiring Sub-Harness for vehicles equipped with the 4T80E automatic transmission. This harness is responsible for communicating critical data between the transmission sensors and the vehicle's control module. Because these wires are exposed to transmission fluid and high engine bay heat, original factory-grade wiring is essential for preventing shifting issues or "Check Engine" lights caused by poor connectivity.
Key Features:
Direct Fit: Designed specifically for the 4.6L Northstar V8 transmission system for a 100% plug-and-play installation.
Weather-Sealed: Features factory rubber seals on the main plugs to prevent moisture and fluid intrusion into the electrical pins.
OEM Reliability: High-temperature resistant shielding protects the sensitive signal wires from the heat of the engine valley.
Verified Part Tag: Labeled with factory code JAH 7188 AL M13 (Assembly Number: FB7188372260324).
Vehicle Compatibility: Fits the following vehicles with the 4.6L Northstar V8:
2006–2011 Cadillac DTS (All Trims)
2006–2011 Buick Lucerne (4.6L V8 Models)
Donor car information.
Cadillac DTS 2007
Vin# 1G6KD57Y57U196349
Miles 185297
Engine 4.6L V8
Transmission - Automatic
Steering Type R&P
Returns
- Buyer must pay for shipping Both Ways
- No returns after 30 days
- No returns on Electronic Modules, Wiring, Engines Transmissions Heads Blocks
- Returns must be in original condition
- Free shipping is only valid on items you keep
- All items will be working upon arrival unless listed as damaged or parts only.
Shipping
- Free shipping is only valid on items you keep
- Free economy shipping within 5-7 working days.
- Heavy and large items will be shipped via Freight
- Commercial address is required for Freight shipping.
- $80 surcharge for residential Freight delivery
- Buyer must pay $75 if lift gate is used upon delivery on Freight shipments.
- Door Hoods Bumpers will shipped with Greyhound bus.
- Greyhound - you required to pick up the item from the station.
- International, shipping is available upon request.
- AK, HI and PR may requested additional chargers.

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