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Fig 1: Object Alarm Module C1 (UD7) Connector End View

Courtesy of GENERAL MOTORS CORP.

Object Alarm Module C1 (UD7) Connector Parts Information

Connector Part Information

OEM: 13551678
Service: 89047364
Description: 12-Way F Receptacle 0.64 Series (BK)

Terminal Part Information

Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

Object Alarm Module C1 (UD7) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/WH	840	Battery Positive Voltage
2	WH	2370	Telltale Assembly Supply Voltage
3	BN	5852	Rear Park Assist LED Disable Signal
4	OG	2371	Left Amber Indicator Control
5	-	-	Not Used
6	D-GN	5060	Low Speed GMLAN Serial Data
7	BK/WH	2751	Low Reference
8	GY	2555	Rear Park Assist Disable Signal
9	D-BU	2372	Center Amber Indicator Control
10	GY	2373	Red Indicator Control
11-12	-	-	Not Used

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.

Safety Warning

Object Alarm Module C1 (UD7)

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?