Body Control Module (BCM) X4

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module (BCM) X4 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.8 RD/WH	340	Battery Positive Voltage (Z88 or W49)
1	1 RD/WH	340	Battery Positive Voltage (WDA)
2	1 RD/WH	240	Battery Positive Voltage
3	1 RD/WH	440	Battery Positive Voltage
4	0.8 RD/WH	2140	Battery Positive Voltage
5	1 D-BU/WH	1315	Right Turn Signal Indicator Lamp Voltage
6	-	-	Not Used
7	0.35 YE	196	Windshield Wiper Motor Park Switch Signal
8	-	-	Not Used
9	0.35 BK	50	Ground
10	0.35 RD/WH	2440	Battery Positive Voltage
11	0.35 D-GN/WH	1317	Fog Lamp Relay Control (T96)
12	0.5 YE	5187	Right Trailer Turn Signal Lamp (V92)
13	0.5 OG	5186	Left Trailer Turn Signal Lamp (V92)
14	-	-	Not Used
15	0.35 OG	2268	Windshield Washer Relay Control
16	0.35 TN/WH	1969	Headlamp Relay Control (W49 or WDA or Z88 with TVD)
17	0.35 PK/BK	109	Hood Ajar Switch Signal (BTV)
18	-	-	Not Used
19	0.35 D-BU	5985	Ignition Voltage
20	-	-	Not Used
21	0.35 PK	1439	Ignition Voltage
22	0.35 YE	5704	Liftgate Latch Relay Coil Control (TB4)
23	0.35 PU	544	Headlamp Low Beam Voltage (W49 or WDA or Z88 with TVD)
24-25	-	-	Not Used

Connector Part Information

OEM: 15482792
Service: 88988841
Description: 25-Way F HIT Series (BK)

Terminal Part Information

Pins: 7, 9-13, 15-17, 19, 21-23
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Pins: 1-5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094429/J-35616-4A (PU)