Body Control Module (BCM) X3

Fig 1: Body Control Module (BCM) X3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Body Control Module (BCM) X3

Pin	Wire	Circuit	Function
1	0.8 BK/WH	351	Ground
2	0.8 RD/WH	2140	Battery Positive Voltage
3	0.5 RD/WH	3840	Battery Positive Voltage
4	-	-	Not Used
5	0.8 BK/WH	351	Ground
6-7	-	-	Not Used
8	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
9	0.5 TN	2501	High Speed GMLAN Serial Data Bus (-)
10	0.35 D-GN	5060	Low Speed GMLAN Serial Data
11	0.35 D-GN	44	Instrument Panel Lamps Dimmer Switch Signal
12	0.35 OG/WH	812	IP Dimming Voltage Reference
13	0.35 PU	7062	Brake Switch Signal
14-15	-	-	Not Used
16	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
17	0.5 TN	2501	High Speed GMLAN Serial Data Bus (-)
18	0.35 YE	6817	LED Backlight Dimming Control
19	0.5 L-BU	5986	Serial Data Communication Enable
20-21	-	-	Not Used
22	0.35 D-GN/WH	7158	Cruise Control Indicator Dimming Signal
23-25	-	-	Not Used

Connector Part Information  OEM: 15482791 Service: See Catalog Description: 25-Way F HIT Series (L-BU)

Terminal Part Information  Pins: 1-3, 5 Terminal/Tray: SNAC-A061T-M2.8/20 Core/Insulation Crimp: E/A Release Tool/Test Probe: 15315247/J-35616-4A (PU) Pins: 8-13, 16-19, 22 Terminal/Tray: SNAC3-A021T-M0.64/20 Core/Insulation Crimp: J/J Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)