LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2004 >> XLR >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views >> Connector End Views >> Body Control Module (BCM) C4 Connector End View
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Body Control Module (BCM) C4 Connector End View

Body Control Module (BCM) C4 Connector End View

GM697044Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15356603
  • Service:
  • 68-Way F Metri-Pack 280 Series, Flexlock (GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 WH 156 Courtesy Lamp Switch Signal
WH 156 Courtesy Lamp Switch Signal
A3 BK/L-GN 24 Backup Lamp Supply Voltage
A4-A12 - - Not Used
B1-B9 - - Not Used
B10 PK 1439 Ignition 1 Voltage
B11-B12 - - Not Used
C1 RD/WH 140 Battery Positive Voltage
RD/WH 140 Battery Positive Voltage
C2-C3 - - Not Used
C4 WH 17 Stop Lamp Switch Signal
C5 - - Not Used
C8 PK 3 Run/Crank Ignition 1 Voltage
C9 - - Not Used
C10 PK 739 Ignition 1 Voltage
PK 739 Ignition 1 Voltage
C11-C12 - - Not Used
D1 RD/WH 340 Battery Positive Voltage
RD/WH 340 Battery Positive Voltage
D2 - - Not Used
D3 PK 3 Run/Crank Ignition 1 Voltage
D4 L-BU 20 Stop Lamp Supply Voltage
D5 OG 1732 Electronic Control Unit 12-Volt Reference (3)
OG 1732 Electronic Control Unit 12-Volt Reference (3)
D6 - D7 - - Not Used
D8 PK 639 Ignition 1 Voltage
D9 - - Not Used
D10 RD/WH 1140 Battery Positive Voltage
RD/WH 1140 Battery Positive Voltage
D11-D12 - - Not Used
E1 RD/WH 440 Battery Positive Voltage
E2-E4 - - Not Used
E5 OG 1732 Electronic Control Unit 12-Volt Reference (3)
E6 RD/WH 740 Battery Positive Voltage
RD/WH 740 Battery Positive Voltage
E7 - - Not Used
E8 PK 1039 Ignition 1 Voltage
E9 - - Not Used
E10 RD/WH 1240 Battery Positive Voltage
E11 - - Not Used
E12 BK 1550 Ground
F1 RD/WH 240 Battery Positive Voltage
RD/WH 240 Battery Positive Voltage (Export)
F2-F4 - - Not Used
F5 RD/WH 1040 Battery Positive Voltage (Export)
F6-F8 - - Not Used
F9 RD/WH 3140 Battery Positive Voltage (Export)
F10-F12 - - Not Used


Body Control Module (BCM) C4 Connector End View

GM697044Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15356603
  • Service: See Catalog
  • 68-Way F Metri-Pack 280 Series, Flexlock (GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 WH 156 Courtesy Lamp Switch Signal
WH 156 Courtesy Lamp Switch Signal
A3 BK/L-GN 24 Backup Lamp Supply Voltage
A4-A12 - - Not Used
B1-B9 - - Not Used
B10 PK 1439 Ignition 1 Voltage
B11-B12 - - Not Used
C1 RD/WH 140 Battery Positive Voltage
RD/WH 140 Battery Positive Voltage
C2-C3 - - Not Used
C4 WH 17 Stop Lamp Switch Signal
C5 - - Not Used
C8 PK 3 Run/Crank Ignition 1 Voltage
C9 - - Not Used
C10 PK 739 Ignition 1 Voltage
PK 739 Ignition 1 Voltage
C11-C12 - - Not Used
D1 RD/WH 340 Battery Positive Voltage
RD/WH 340 Battery Positive Voltage
D2 - - Not Used
D3 PK 3 Run/Crank Ignition 1 Voltage
D4 L-BU 20 Stop Lamp Supply Voltage
D5 OG 1732 Electronic Control Unit 12-Volt Reference (3)
OG 1732 Electronic Control Unit 12-Volt Reference (3)
D8 PK 639 Ignition 1 Voltage
D9 - - Not Used
D10 RD/WH 1140 Battery Positive Voltage
RD/WH 1140 Battery Positive Voltage
D11-D12 - - Not Used
E1 RD/WH 440 Battery Positive Voltage
E2-E4 - - Not Used
E5 OG 1732 Electronic Control Unit 12-Volt Reference (3)
E6 RD/WH 740 Battery Positive Voltage
RD/WH 740 Battery Positive Voltage
E7 - - Not Used
E8 PK 1039 Ignition 1 Voltage
E9 - - Not Used
E10 RD/WH 1240 Battery Positive Voltage
E11 - - Not Used
E12 BK 1550 Ground
F1 RD/WH 240 Battery Positive Voltage
RD/WH 240 Battery Positive Voltage (Export)
F2-F4 - - Not Used
F5 RD/WH 1040 Battery Positive Voltage (Export)
F6-F8 - - Not Used
F9 RD/WH 3140 Battery Positive Voltage (Export)
F10-F12 - - Not Used