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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2073 (Wiring Systems And Power Management - Component Connector End Views Part 1) >> Body Control Module (BCM) X4
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Body Control Module (BCM) X4

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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
GM1664499Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) X4

Pin Wire Circuit Function
1 0.8 RD/WH 2740 Battery Positive Voltage
2 0.8 RD/WH 3040 Battery Positive Voltage
3 0.8 RD/WH 2940 Battery Positive Voltage
4 0.8 RD/WH 2240 Battery Positive Voltage
5 0.5 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage (Except HP2)
0.8 D-BU/WH 1315 Right Front Turn Signal lamp Supply Voltage (HP2)
6 0.35 D-GN 6134 Linear Interconnect Network Bus (YE9/Y91/HP2)
7 0.35 YE 196 Windshield Wiper Motor Park Switch Signal
8 - - Not Used
9 0.5 BK/WH 451 Ground (Except MEX)
10 0.35 RD/WH 2840 Battery Positive Voltage (Except MEX)
11 0.35 D-GN/WH 1317 Fog Lamp Relay Control (T96/HP2)
12 0.35 YE 5187 Right Trailer Turn Signal Lamp (Except TZ0)
0.5 PU 16 Turn Signal Flasher Signal (TZ0)
13 0.35 OG 5186 Left Trailer Turn Signal Lamp (Except TZ0)
0.5 PU 16 Turn Signal Flasher Signal (TZ0)
14 0.35 L-GN 482 Outside Moisture Sensor Signal 2 (CE1/HP2)
15 0.5 OG 2268 Windshield Washer Relay Control
16 0.35 TN/WH 1969 Headlamp High Beam Relay Control
17 0.35 PK/BK 109 Hood Ajar Switch Signal (AP3/AP8)
18 0.35 TN 481 Outside Moisture Sensor Signal 1 (CE1/HP2)
19 0.35 D-BU 5985 Accessory Wakeup Serial Data
20 - - Not Used
21 0.35 YE 5199 Run/Crank Relay Coil Control
22 - - Not Used
23 0.35 L-GN/BK 592 DRL Relay Control (Except MEX)
24-25 - - Not Used
Connector Part Information 
  • OEM: 15482792
  • Service: 88988841
  • Description: 25-Way F HIT Series (BK)
Terminal Part Information 
  • Pins: 1-5
  • Terminal/Tray: SNAC-A061T-M2.8/20
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-4A (PU)
  • Pins: 6, 7, 9-19, 21, 23
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)