Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2007 Chevrolet Uplander Base, 3.9 WFACTORY OEM SERVICE PROCEDURE

Heated Seat Relay Connector End View - Driver

Fig 1: Heated Seat Relay Connector End View (Driver)

Courtesy of GENERAL MOTORS CORP.

Connector Part Information

OEM: 12110541
Service: 12110541
Description: 6-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Terminal: 12110844/Tray 4
Core/Insulation Crimp: Pins A1: E/A, Pins A2, C1: C/A, Pins C2: E/C
Release Tool/Test Probe: 15315247/J-35616-4A

Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
A1	BK	650	Ground
A2	RD/WH	1440	Battery Positive Voltage
B1-B2	-	-	Not Used
C1	PK	2077	Driver Heated Seat Element Supply Voltage
C2	PU	2477	Driver Heated Seat Relay Control

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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