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Home › Isuzu › 2003 › Ascender 4.2 S, 4WD › Repair and Diagnosis (Single Page) › Accessories & Equipment › Communication Devices › Body Control System › Component Locator › Body Control System Connector End Views › Body Control Module

Body Control Module

Body Control Module (BCM) Connector End View C1

GM73156Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110088
  • 24-Way F Micro-Pack 100 Series (LT-GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 - - Not Used
A3 OG 1140 Battery Positive Voltage
A4 BK/WH 1969 Headlamp High Beam Relay Control
A5 PK/WH 1970 Headlamp Low Beam Relay Control
A6 - - Not Used
A7-A8 - - Not Used
A9 - - Not Used
A10-A11 - - Not Used
A12 WH 278 Ambient Light Sensor Signal
B1 LT-GN 1037 BCM Class 2 Serial Data
B2 BK 279 Ambient Light Sensor Low Reference
B3 LT-GN 2270 Rear Window Washer Relay Control
B4 GY/BK 2226 Instrument Panel Lamps Dimmer Switch Low Reference
B5 GY 705 5-Volt Reference
B6 WH 2283 Rear Wiper/Washer Switch Supply Voltage
B7 OG/BK 2090 Courtesy Lamps Dimming Input
B8 LT-GN 1011 Remote Radio Control Signal
B9 GY 391 Rear Window Wiper Switch Signal
B10 YE 1836 Security System Sensor Signal
B11 GY 2521 Right Sunload Sensor Signal
B12 LT-BU/BK 2519 Left Sunload Sensor Signal
Body Control Module (BCM) Connector End View C2

GM646417Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110112
  • 32-Way F Micro-Pack 100 (TAN)
Pin Wire Color Circuit No. Function
E1-E2 - - Not Used
E3 LT-GRN 80 Key In Ignition Switch Signal
E4 YEL 307 Headlamp Switch Flash to Pass Signal
E5 GRY/BLK 308 Park Lamp Switch Signal
E6 - -
E7 PNK 1348 Headlamp On Indicator Control
E8 BLK 1835 Security System Sensor Low Reference
E9 RED/WHT 812 12-Volt Reference
E10 - - Not Used
E11 DK GRN/WHT 1317 Fog Lamp Relay Control (T96)
E12 BK 28 Horn Relay Control
E13 - - Not Used
E14-E16 - - Not Used
F1-F2 - - Not Used
F3 DK-GRN 113 Windshield Wiper Switch Signal 2
F4 DK-BLU/WHT 1495 Courtesy Lamps On Signal
F5 - -
F6 OG 192 Front Fog Lamps Switch Signal
F7 LT-BLU 187 Rear Fog Lamps Switch Signal
F8 LT-GRN 5462 DRL Defeat Switch Signal
F9 WHT 103 Headlamp Switch Headlamps On Signal
F10 LT-GRN 11 Headlamp High Beam Supply Voltage
F11 PPL 328 Interior Lamp Defeat Switch Signal
F12-F13 - - Not Used
F14 YEL 710 Class 2 Serial Data
F15-F16 - - Not Used
Body Control Module (BCM) Connector End View C3

GM697009Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15077187
  • 40-Way Flat Wire
Pin Wire Color Circuit No. Function
A1 - - Battery Positive Voltage
A2 - - Not Used
A3 - 748 Right Rear Door Ajar Switch Signal
A4 - 1134 Park Brake Switch Signal
A5 - - Door Lock Relay Control
A6 - - Power Window Lockout Left Rear Control
A7 - - Not Used
A8 - 747 Left Rear Door Ajar Switch Signal
A9- A10 - - Not Used
A11 - - Ground
A12 - 1353 RAP Relay Supply Voltage
A13 - - Door Unlock Relay Control
A14 - - Park Lamp Relay Control
A15-A17 - - Not Used
A18 - - Ignition 0 Voltage
A19 - 39 Ignition 1 Voltage
A20 - - Ignition 3 Voltage
B1 - 230 Instrument Panel Lamps Dimming Control
B2 - 230 Instrument Panel Lamps Dimming Control
B3 - 690 Courtesy Lamp Supply Voltage
B4 - - Battery Positive Voltage
B5 - 1186 Power Window Switch Right Rear Up Signal
B6 - 2266 Power Window Lockout Right Rear Control
B7 - 1188 Power Window Switch Right Rear Down Signal
B8 - 1185 Power Window Switch Left Rear Up Signal
B9 - 1187 Power Window Switch Left Rear Down Signal
B10 - - Not Used
B11 - - Ground
B12 - 24 Backup Lamp Supply Voltage
B13 - - Battery Positive Voltage
B14 - 1382 LED Dimming Signal
B15 - - Accessory Voltage
B16 - - Not Used
B17 - - Battery Positive Voltage
B18 - 1732 Courtesy Lamps Supply Voltage
B19 - - Rear Fog Lamp Relay and Indicator Control
B20 - - Not Used
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