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Computer/Integrating Systems Connectors

WARNING: This page is about a different car, the 2005 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) C1

GM1376257Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15393122
  • Service: See Catalog
  • 72-Way F Micro-64 Unsealed (GY)
Pin Wire Color Circuit No. Function
1 - - Not Used
2 YE 5058 Intrusion Sensor Armed Signal (Export)
3-6 - - Not Used
7 L-GN 5724 Ignition Mode Switch Mode Control
8-11 - - Not Used
12 BK/WH 851 Signal Ground
13 TN 28 Horn Relay Control
14 D-BU 5719 Ignition Mode Switch Start LED Signal
15 WH 5741 Steering Column Lock Module Lock Enable Relay Control (Export)
16 L-BU 1344 Trunk Release Relay Control
17 D-GN 1399 Accessory Voltage Signal
18 OG/BK 744 Trunk Ajar Switch Signal
19 D-GN/WH 1317 Fog Lamp Relay Control
20-21 - - Not Used
22 YE 43 Accessory Voltage
23-28 - - Not Used
29 TN/WH 1969 Headlamp High Beam Relay Control
30-34 - - Not Used
35 TN 305 Trunk Key Switch Signal
36-37 - - Not Used
38 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
39 - - Not Used
40 GY 91 Windshield Wiper Switch Signal 2
41 - - Not Used
42 GY 2169 Convertible Top Relay Cover Release Control (Convertible)
43 - - Not Used
44 TN 126 Left Front Door Open Switch Signal
45-46 - - Not Used
47 OG/BK 737 Rear Compartment Lamp Control
48 - - Not Used
49 PU 5059 Intrusion Sensor Alarm On Signal (Export)
50 - - Not Used
51 GY/BK 745 Left Front Door Ajar Switch Signal
52 - - Not Used
53 TN/WH 746 Right Front Door Ajar Switch Signal
54 - - Not Used
55 L-GN 1037 BCM Class 2 Serial Data
56 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
57 WH 2282 Headlamp Washer Relay Control
58-59 - - Not Used
60 PK 5780 Windshield Wiper Motor Park Switch Signal
61-62 - - Not Used
63 L-GN 1177 Right Front Door Open Switch Signal
64 D-BU 2167 Convertible Top Cover Ajar Switch Supply Voltage
65 WH 1080 Park Lamp Relay Control
66 L-GN/WH 5723 Ignition Mode Switch Mode Voltage
67 - - Not Used
68 TN/BK 5168 Power Sounder Enable Signal (Export)
69 PK/BK 109 Hood Ajar Switch Signal (Export)
70 TN/WH 1384 Selective Ride Control Switch Signal
71 BN/WH 2091 Trunk Release Switch Supply Voltage
72 - - Not Used
Body Control Module (BCM) C2

GM1376254Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15393121
  • Service: See Catalog
  • 72-Way F Micro-64 Unsealed (GY)
Pin Wire Color Circuit No. Function
1 TN/BK 2500 High Speed GMLAN Serial Data (+)
2 TN/BK 2500 High Speed GMLAN Serial Data (+)
3 PK/WH 1970 Headlamp Low Beam Relay Control
4 PU 524 Headlamp Dimmer Switch High Beam Signal
5 BN/WH 301 Park Lamp Switch On Signal
6 YE 1977 Rear Fog Lamp Relay Control (Export)
7 PK 5068 Intrusion Sensor Switch Disable Signal (Export)
8 - - Not Used
9 TN 2144 Hazard Switch Signal
10 - - Not Used
11 OG 5721 Ignition Mode Switch Off LED Signal
12-13 - - Not Used
14 TN 28 Horn Relay Control
15 WH 103 Headlamp Switch On Signal
16 OG 192 Front Fog Lamp Switch Signal
17 L-BU 1872 Park Lamp Switch Off Signal
18 GY 5381 Brake Position Sensor 5-Volt Reference
19 TN 2501 High Speed GMLAN Serial Data (-)
20 TN 2501 High Speed GMLAN Serial Data (-)
21 - - Not Used
22 L-BU 187 Rear Fog Lamp Switch Signal
23-30 - - Not Used
31 TN 5380 Brake Position Sensor Signal
32-48 - - Not Used
49 D-BN 75 Accessory Supply Voltage
50 - - Not Used
51 BN 1356 Flash To Pass Switch Signal
52-56 - - Not Used
57 L-BU 1714 Windshield Wiper Switch Low Signal
58 - - Not Used
59 BN 5382 Brake Position Sensor Low Reference
60 - - Not Used
61 GY 1884 Cruise Control Set/Coast/Resume/Accelerate Switch Signal
62-65 - - Not Used
66 L-BU/WH 1414 Left Front Turn Signal Switch Signal
67 D-BU/WH 1415 Right Front Turn Signal Switch Signal
68 BN/WH 1571 Traction Control Switch Signal
69 D-GN/WH 1932 Shift Select Switch Park Signal
70 GY/BK 896 Hard Top Connected Signal
71 L-GN 5720 Ignition Mode Switch Accessory LED Signal
72 - - Not Used
Body Control Module (BCM) C3

GM1362564Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15404825
  • Service: See Catalog
  • 41-Way F (RD)
Pin Wire Color Circuit No. Function
A1 TN 694 Driver Door Lock Actuator Unlock Control
A2 - - Not Used
A3 OG 1732 Courtesy Lamp Supply Voltage
A4 TN 294 Door Lock Actuator Unlock Control
A5 - - Not Used
A6 RD/WH 740 Battery Positive Voltage
A7 RD/WH 240 Battery Positive Voltage
A8 RD/WH 1040 Battery Positive Voltage
A9 YE 18 Left Rear Stop/Turn Lamp Supply Voltage
A10 WH 156 Courtesy Lamp Switch Signal
A11 - - Not Used
A12 D-GN 19 Right Rear Stop/Turn Lamp Supply Voltage
B1-B2 - - Not Used
B3 RD/WH 1240 Battery Positive Voltage (Export)
B4 - - Not Used
B5 PK 3 Run/Crank Ignition 1 Voltage
B8-B11 - - Not Used
B12 PK 5722 Ignition Mode Switch LED Supply Voltage
C3 PK 1139 Ignition 1 Voltage
C4 - - Not Used
C5 PK 839 Ignition 1 Voltage
C8-C11 - - Not Used
C12 PK 94 Windshield Washer Relay Control
D1 RD/BK 242 Battery Positive Voltage
D3 PK 1139 Ignition 1 Voltage
PK 1139 Ignition 1 Voltage
D4-D5 - - Not Used
D6 RD/BK 242 Battery Positive Voltage
D7 RD/WH 840 Battery Positive Voltage
D8 - - Not Used
D9 L-GN 24 Backup Lamp Supply Voltage
D10 RD/WH 640 Battery Positive Voltage
D11 RD/WH 540 Battery Positive Voltage
D12 RD/WH 1740 Battery Positive Voltage
Body Control Module (BCM) C4

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 L-GN 24 Backup Lamp Supply Voltage
A4-A12 - - Not Used
B1 PK 94 Windshield Washer Switch Signal
B2-B9 - - Not Used
B10 PK 1439 Ignition 1 Voltage
B11-B12 - - Not Used
C1-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
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)
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
RD/WH 440 Battery Positive Voltage
E2-E4 - - Not Used
E5 OG 1732 Electronic Control Unit 12-Volt Reference
E6 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
F2-F4 - - Not Used
F5 RD/WH 1040 Battery Positive Voltage (Export)
F6 RD/WH 1040 Battery Positive Voltage (Convertible)
F7-F8 - - Not Used
F9 RD/WH 3140 Battery Positive Voltage (Export)
F10-F12 - - Not Used
Data Link Connector (DLC)

GM68793Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 12110250
  • Service: See Catalog
  • 16-Way F Metri-Pack 150 Series (BK)
Pin Wire Color Circuit No. Function
1 - - Not Used
2 PU 1132 DLC Class 2 Serial Data
3 - - Not Used
4 BK 1450 Ground
5 BK/WH 851 Ground
6 TN/BK 2500 High Speed GMLAN Serial Data Bus +
7-13 - - Not Used
14 TN 2501 High Speed GMLAN Serial Data Bus -
15 - - Not Used
16 RD/WH 1040 Battery Positive Voltage
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