For 1990-2009 cars

Connector 1: | Body Control Module (BCM) C1
Connector 2: | Body Control Module (BCM) C2
Connector 3: | Body Control Module (BCM) C3
Connector 4: | Body Control Module (BCM) C4
Connector 5: | Body Control Module (BCM) C5
Connector 6: | Body Control Module (BCM) C6
Connector 7: | Body Control Module (BCM) C7
Connector 8: | Data Link Connector (DLC)
Connector 9: | Terminator Resistor (Except MH6)

### Body Control Module (BCM) C1

#### Connector Part Information

- OEM: HITPB-27-AL-M
- Service: See Catalog
- Description: 27-Way F 0.64 Unsealed (L-GN)

#### Terminal Part Information

- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C1

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | WH | 1390 | Off/Run/Crank Voltage
3 | GY | 1884 | Cruise Control Switch Signal
4 | WH/BK | 1073 | Ignition Key Resistor Signal
5 | L-GN | 1715 | Windshield Wiper Switch High Signal
6 | D-BU | 1796 | Steering Wheel Controls Signal (UK3)
7 | -- | -- | Not Used
8 | BK/WH | 1251 | Ground
9 | L-BU | 1714 | Windshield Wiper Switch Low Signal
10-13 | -- | -- | Not Used
14 | PK | 3 | Ignition 1 Voltage
15 | L-BU/WH | 1414 | Left Front Turn Signal Switch Signal/Left Turn Signal Switch Signal
16 | D-BU/WH | 1415 | Right Front Turn Signal Switch Signal/Right Turn Signal Switch Signal
17 | PU | 1375 | Remote Radio Control Supply Voltage
18 | PU | 524 | Headlamp Dimmer Switch High Beam Signal
19 | TN | 2144 | Hazard Switch Signal
20 | -- | -- | Not Used
21 | BN | 4 | Accessory Voltage
22-23 | -- | -- | Not Used
24 | PK | 94 | Rear Wiper Switch Signal
25 | BN | 1356 | Flash To Pass Switch Signal
26 | D-GN/WH | 1135 | A/T Shift Lock Control Solenoid Supply Voltage
27 | -- | -- | Not Used

### Body Control Module (BCM) C2

#### Connector Part Information

- OEM: HITPB-25-B-S
- Service: See Catalog
- Description: 25-Way F Receptacle 0.64 2.8 Unsealed (WH)

#### Terminal Part Information

- Pins: 1, 2, 3, 3
- Terminal/Tray: SNAC-A061T-M2.8/20
- Core/Insulation Crimp: E/A
- Release Tool/Test Probe: 12094429/J-35616-4A (PU)

- Pins: 8, 11, 12, 17, 21
- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C2

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | OG | 1732 | Inadvertent Power Supply Voltage
2 | RD/WH | 1240 | Battery Positive Voltage
3 | GY | 8 | Instrument Panel Lamp Supply Voltage
4-7 | -- | -- | Not Used
8 | BN/WH | 301 | Rear Park Lamps Supply Voltage/Park Lamp Switch On Signal
9-10 | -- | -- | Not Used
11 | L-GN/BK | 1137 | DRL Ambient Light Sensor Signal
12 | WH | 103 | Automatic Headlamp Relay Control
13-16 | -- | -- | Not Used
17 | D-GN | 306 | Headlamp Switch On Signa
18-20 | -- | -- | Not Used
21 | L-BU | 1788 | Traction Control Switch Signal
22 | PU/WH | 5905 | Key Capture/Column Lock Shift Position Signal
23-25 | -- | -- | Not Used

### Body Control Module (BCM) C3

#### Connector Part Information

- OEM: HITPB-25-C-LE
- Service: See Catalog
- Description: 25-Way F HIT Series (L-BU)

#### Terminal Part Information

- Pins: 1, 2, 3, 5
- Terminal/Tray: SNAC-A061T-M2.8/20
- Core/Insulation Crimp: E/A
- Release Tool/Test Probe: 12094429/J-35616-4A (PU)

- Pins: 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 21, 22
- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C3

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | BK/WH | 1551 | Ground
2 | RD/WH | 240 | Battery Positive Voltage
3 | RD/WH | 1040 | Battery Positive Voltage
4 | -- | -- | Not Used
5 | BK/WH | 1551 | Ground
6 | -- | -- | Not Used
7 | YE | 749 | Security Indicator Control
8 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+
9 | TN | 2501 | High Speed GMLAN Serial Data Bus-
10 | D-GN | 5060 | Low Speed GMLAN Serial Data
11 | D-GN | 44 | Instrument Panel Lamps Dimmer Switch Signal
12 | OG/WH | 812 | 12-Volt Reference or IP Dimming Voltage Reference
13 | D-BU | 6037 | Brake Pedal Displacement Sensor Signal
14 | OG/BK | 6035 | Brake Pedal Displacement Sensor Low Reference
15 | GY | 6036 | Brake Pedal Displacement Sensor 5 Volt Reference
16 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+
17 | TN | 2501 | High Speed GMLAN Serial Data Bus-
18 | PU/WH | 1382 | LED Dimming Signal/LED Dimming Supply
19 | L-BU | 5986 | Serial Data Communication Enable
20 | -- | -- | Not Used
21 | OG | 192 | Front Fog Lamp Switch Signal/Fog Lamps Enable
22 | GN/WH | 7158 | Cruise Control Indicator Dimming Signal
23-25 | -- | -- | Not Used

### Body Control Module (BCM) C4

#### Connector Part Information

- OEM: HITPB-25-D-K
- Service: See Catalog
- Description: 25-Way F Receptacle 0.64 2.8 (BK)

#### Terminal Part Information

- Pins: 1, 2, 3, 4, 5
- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

- Pins: 7, 9, 10, 11, 12, 13, 15, 16, 17, 19, 21, 22, 23
- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C4

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | RD/WH | 340 | Battery Positive Voltage
2 | RD/WH | 240 | Battery Positive Voltage
3 | RD/WH | 440 | Battery Positive Voltage
4 | RD/WH | 1240 | Battery Positive Voltage
5 | D-BU/WH | 1315 | Right Front Turn Signal Lamp Supply Voltage
6 | -- | -- | Not Used
7 | YE | 196 | Windshield Wiper Motor Park Switch Signal
8 | -- | -- | Not Used
9 | BK | 50 | Ground
10 | RD/WH | 2440 | Battery Positive Voltage
11 | D-GN/WH | 1317 | Fog Lamp Relay Control (T96)
12 | YE | 5187 | Right Trailer Turn Signal Lamp (V92)
13 | OG | 5186 | Left Trailer Turn Signal Lamp (V92)
14 | -- | -- | Not Used
15 | OG | 2268 | Windshield Washer Relay Control
16 | TN/WH | 1969 | Headlamp High Beam Relay Control
17 | PK/BK | 109 | Hood Ajar Switch Signal (AP3)
18 | -- | -- | Not Used
19 | BN | 4 | Accessory Voltage
20 | -- | -- | Not Used
21 | PK | 1439 | Ignition 1 Voltage
22 | YE | 5704 | Endgate Latch Relay Coil Control
23 | PU | 544 | Headlamp Low Beam Supply Voltage
24-25 | -- | -- | Not Used

### Body Control Module (BCM) C5

#### Connector Part Information

- OEM: HITPB-25-E-N
- Service: See Catalog
- Description: 25-Wat F Receptacle Unsealed 0.64 2.8 (BN)

#### Terminal Part Information

- Pins: 1, 2, 4, 5
- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

- Pins: 6, 8, 9, 10, 11, 14, 15, 16, 18, 20, 21, 23, 24
- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C5

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | YE | 18 | Left Rear Stop/Turn Lamp Supply Voltage
2 | D-GN | 19 | Right Rear Stop/Turn Lamp Supply Voltage
3 | -- | -- | Not Used
4 | L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage
5 | L-BU | 1320 | CHMSL Supply Voltage
6 | WH | 17 | Stop Lamp Switch Signal
7 | -- | -- | Not Used
8 | PK | 5076 | Current Sensor Supply Voltage
9 | WH | 5075 | Current Sensor Signal
10 | BN | 5077 | Current Sensor Low Reference
11 | TN | 707 | RAP Relay Coil Supply Voltage
12-13 | -- | -- | Not Used
14 | YE | 243 | Accessory Voltage
15 | PU | 5531 | Hood Closed Switch Signal (AP3)
16 | OG/BK | 233 | Park Brake Switch Signal
17 | -- | -- | Not Used
18 | TN | 28 | Horn Relay Control
19 | -- | -- | Not Used
20 | GY | 91 | Windshield Wiper Switch Signal 2
21 | TN | 860 | Front Windshield Wiper Switch High Signal
22 | -- | -- | Not Used
23 | PK/WH | 1970 | Headlamp Low Beam Relay Control
24 | WH | 1080 | Park Lamp Relay Control
25 | -- | -- | Not Used

### Body Control Module (BCM) C6

#### Connector Part Information

- OEM: HITPB-25-F-PK
- Service: See Catalog
- Description: 25-WAY F Receptacle Unsealed 0.64 2.8 (PK)

#### Terminal Part Information

- Pins: 1, 2
- Terminal/Tray: See Terminal Repair Kit
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: See Terminal Repair Kit

- Pins: 8, 9, 10, 12, 15, 18
- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C6

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | D-BU/WH | 149 | Courtesy Lamp Supply Voltage
2 | L-GN | 24 | Backup Lamp Supply Voltage
3-7 | -- | -- | Not Used
8 | TN/WH | 746 | Right Front Door Ajar Switch Signal
9 | D-BU | 245 | Passenger Door Lock Switch Unlock Signal
10 | GY/BK | 745 | Left Front Door Ajar Switch Signal
11 | -- | -- | Not Used
12 | PK/BK | 1303 | Liftgate Ajar Switch Signal
13-14 | -- | -- | Not Used
15 | GY | 5797 | Rear Closure Handle Switch Open Signal
16-17 | -- | -- | Not Used
18 | L-BU | 244 | Passenger Door Lock Switch Lock Signal
19-25 | -- | -- | Not Used

### Body Control Module (BCM) C7

#### Connector Part Information

- OEM: HITPB-28-G-H
- Service: See Catalog
- Description: 28-Way F Receptacle 0.64 (GY)

#### Terminal Part Information

- Terminal/Tray: SNAC3-A021T-M0.64/20
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

#### Body Control Module (BCM) C7

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1-5 | -- | -- | Not Used
6 | YE | 356 | Driver Door Lock Relay Unlock Control
7 | L-GN | 1391 | Driver Door Unlock Relay Control
8 | -- | -- | Not Used
9 | L-BU | 5921 | Driver Door Unlock Relay Control
10 | -- | -- | Not Used
11 | OG/BK | 781 | Driver Door Lock Switch Unlock Signal
12 | PK/BK | 780 | Driver Door Lock Switch Lock Signal
13 | D-GN | 5706 | Endgate Latch Relay Supply Voltage
14-28 | -- | -- | Not Used

### Data Link Connector (DLC)

#### Connector Part Information

- OEM: 348822-2
- Service: 89046778
- Description: 16-Way F Diagnostic Connector (BK)

#### Terminal Part Information

- Terminal/Tray: 776001-1/16
- Core/Insulation Crimp: E/C
- Release Tool/Test Probe: 15315247/J-35616-2A (GY)

#### Data Link Connector (DLC)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | D-GN | 5060 | Low Speed GMLAN Serial Data
2-3 | -- | -- | Not Used
4 | BK | 1450 | --
5 | BK/WH | 1551 | 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 | 1840 | Battery Positive Voltage

### Terminator Resistor (Except MH6)

#### Connector Part Information

- OEM: 15326801
- Service: 15306156
- Description: 2-Way F GT 150 Series (BK)

#### Terminal Part Information

- Terminal/Tray: 12191819/8
- Core/Insulation Crimp: E/A
- Release Tool/Test Probe: 15315247/J-35616-2A (GY)

#### Terminator Resistor (Except MH6)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | TN/BK | 2500 | High Speed GMLAN Serial Data Bus+
B | TN | 2501 | High Speed GMLAN Serial Data Bus-