For 1990-2009 cars

Connector 1: | Auxiliary Power Outlet - Cigar Lighter
Connector 2: | Cigar Lighter - Left/Right Rear Door
Connector 3: | Console Clock
Connector 4: | Data Link Connector (DLC)
Connector 5: | Engine Oil Pressure (EOP) Sensor (V6)
Connector 6: | Engine Oil Pressure (EOP) Sensor (V8)
Connector 7: | Fuel Pump and Fuel Gage Assembly - Primary
Connector 8: | Fuel Sensor Assembly - Secondary
Connector 9: | I/P Dimmer Switch
Connector 10: | Ignition Mode Switch
Connector 11: | Instrument Panel Cluster (IPC)
Connector 12: | Instrument Panel Module (IPM) - C1
Connector 13: | Instrument Panel Module (IPM) - C2
Connector 14: | Instrument Panel Module (IPM) - C3
Connector 15: | Rear Integration Module (RIM) - C1
Connector 16: | Rear Integration Module (RIM) - C2
Connector 17: | Rear Integration Module (RIM) - C3
Connector 18: | Rear Integration Module (RIM) - C4

### Auxiliary Power Outlet - Cigar Lighter

#### Connector Part Information

- OEM: 12176445
- Description: 3-Way F Metri-Pack 280 Series, Flexlock (BK)

#### Auxiliary Power Outlet - Cigar Lighter

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | RD/WH | 3540 | Battery Positive Voltage
B | YE | 6817 | LED Backlight Dimming Control
C | BK | 450 | Ground

### Cigar Lighter - Left/Right Rear Door

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | RD/WH | 2040 | Power supply
B | -- | -- | Not Used
C | BK/WH | 351 | Ground

### Console Clock

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | RD/WH | 2240 | Supply Power
2-4 | -- | -- | Not Used
5 | BK/WH | 451 | Ground
6 | YE | 6817 | Backlighting

### Data Link Connector (DLC)

#### Connector Part Information

- OEM: 12110250
- Service: N/A
- Description: 16-Way F (BK)

#### Data Link Connector (DLC)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | D-GN | 5060 | Low Speed GMLAN Serial Data
2-3 | -- | -- | Not Used
4 | BK | 350 | Ground
5 | BK/WH | 351 | Ground
6 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1)
7-13 | -- | -- | Not Used
14 | TN | 2501 | High Speed GMLAN Serial Data (-) (1)
15 | -- | -- | Not Used
16 | RD/WH | 1140 | Battery Positive Voltage

### Engine Oil Pressure (EOP) Sensor (V6)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | TN | 470 | Sensor Return
B | GY | 605 | Reference Voltage Feed 5-Volt Reference
C | TN/BK | 231 | Oil Pressure Switch Signal

### Engine Oil Pressure (EOP) Sensor (V8)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | BK | 2755 | Oil Pressure Sensor Low Reference
B | TN/WH | 331 | Oil Pressure Sensor Signal
C | GY | 2705 | Oil Pressure Sensor 5-Volt Reference

### Fuel Pump and Fuel Gage Assembly - Primary

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | D-BU | 1936 | Fuel Level Sensor Signal
B | GY | 120 | Fuel Pump Supply Voltage
C | BK | 1050 | Ground
D | TN | 2759 | Fuel Tank Pressure Sensor Low Reference

### Fuel Sensor Assembly - Secondary

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | L-BU | 1937 | Secondary Fuel Level Sensor Signal
B | -- | -- | Not Used
D | TN | 2759 | Fuel Tank Pressure Sensor Low Reference

### I/P Dimmer Switch

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | D-GN | 44 | Low Reference
2 | L-BU/BK | 1688 | Instrument Panel (I/P) Lamp Dimmer Switch Signal
3 | PK/GK | 1597 | Interior Lamp Switch On Signal
4-7 | -- | -- | Not Used
8 | BN | 897 | Driver Information Center Switch Low Reference
9 | D-GN/WH | 1358 | Driver Information Center Switch Signal
10 | D-BU | 894 | Driver Information Center Toggle Switch Signal
11 | YE | 1491 | Backlight Lamp Control
12 | BK/WH | 351 | Ground

### Ignition Mode Switch

#### Connector Part Information

- OEM: 12064769
- Service: 12101762
- Description: 10-Way F Metri-Pack 150 Series (NA)

#### Ignition Mode Switch

Pin | Wire | Circuit | Function
--- | --- | --- | ---
A | L-BU/WH | 5725 | Ignition Mode Switch Mode Voltage Backup
B | D-BU | 5719 | Ignition Mode Switch Start LED Signal
C | YE | 1491 | Backlight Lamps Control
D | BK/WH | 451 | Ground
E | L-GN/WH | 5723 | Ignition Mode Switch Mode Voltage
F | L-GN | 5724 | Ignition Mode Switch Mode Control
G | PK | 5722 | Ignition Mode Switch LED Supply Voltage
H | OG | 5721 | Ignition Mode Switch Off LED Signal
J | L-GN | 5720 | Ignition Mode Switch Accessory LED Signal
K | L-BU | 5726 | Ignition Mode Switch Mode Control Backup

### Instrument Panel Cluster (IPC)

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | RD/WH | 1440 | Battery Positive Voltage
2 | PK | 239 | Run/Crank Ignition 1 Voltage
3 | D-GN | 5060 | Low Speed GMLAN Serial Data
4 | -- | -- | Not Used
5 | BK/WH | 351 | Ground
6-7 | -- | -- | Not Used
8 | PU | 333 | Brake Fluid Level Sensor Signal
9 | BN/WH | 419 | Check Engine Indicator Control
10-11 | -- | -- | Not Used
12 | D-GN/WH | 1358 | Drivers Information Center Switch Signal
13 | BN | 897 | Driver Information Center Switch Low Reference
14-19 | -- | -- | Not Used
20 | D-BU | 894 | Driver Information Center Toggle Switch Signal
21 | PU | 5234 | Co-driver Side Seat Belt Indicator
22-26 | -- | -- | Not Used

### Instrument Panel Module (IPM) - C1

#### Connector Part Information

- OEM: 15412868
- Service: N/A
- Description: 26-Way F (WH)

#### Instrument Panel Module (IPM) - C1

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | YE | 32 | Instrument Panel Lamp Fuse Supply Voltage (1)
2 | YE | 1491 | Backlight Lamp Control
3 | YE | 6817 | LED Backlight Dimming Control
4 | -- | -- | Not Used
5 | WH | 17 | Stop Lamp Switch Signal
6 | PK | 3 | Run/Crank Ignition 1 Voltage
7 | -- | -- | Not Used
8 | YE/BK | 5728 | ECM/TCM Serial Data Wake Up
9 | YE | 5727 | High Speed GMLAN Serial Data Wake Up
10 | PK | 5722 | Ignition Mode Switch LED Supply Voltage
11 | D-GN | 5525 | Tap Up/Tap Down Enable Signal
12 | WH | 111 | Hazard Switch Signal
13 | BN | 1356 | Flash To Pass Switch Signal
14 | BN/WH | 301 | Park Lamp Switch On Signal
15 | L-GN | 5724 | Ignition Mode Switch Mode Control
16 | D-BU | 5719 | Ignition Mode Start Switch LED Signal
17 | L-GN | 5720 | Ignition Mode Switch Accessory LED Signal
18-19 | -- | -- | Not Used
20 | L-BU | 1134 | Park Brake Switch Signal
21 | PK/BK | 1597 | Interior Lamp Switch On Signal
22 | PU | 1783 | Twilight Sentinel Delay Signal
23 | WH | 103 | Headlamp Switch On Signal
24 | -- | -- | Not Used
25 | PU | 1375 | Remote Radio Control Panel Accessory Supply Voltage
26 | OG | 5721 | Ignition Mode Switch OFF LED Signal

### Instrument Panel Module (IPM) - C2

#### Connector Part Information

- OEM: 15412882
- Service: N/A
- Description: 24-Way F (WH)

#### Instrument Panel Module (IPM) - C2

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | BN | 4 | Accessory Voltage
2 | YE | 6847 | Shift Select Switch Park Supply Voltage
3 | D-GN/WH | 1317 | Fog Lamp Relay Control
4 | TN/WH | 1969 | Headlamp High Beam Relay Control
5 | WH | 1080 | Park Lamp Relay Control
6 | PK/WH | 1970 | Headlamp Low Beam Relay Control
7 | OG | 300 | Run Ignition 3 Voltage
8 | -- | -- | Not Used
9 | TN | 28 | Horn Relay Control
10 | TN | 28 | Horn Relay Control
11 | GY | 478 | Windshield Wiper Switch Signal (2)
12 | BN | 253 | Trunk Release Relay Control
13 | GY | 2096 | Steering Column Tilt and Telescope Up Switch Signal
14 | YE | 2097 | Steering Column Tilt and Telescope Down Switch Signal
15-18 | -- | -- | Not Used
19 | D-GN/WH | 1932 | Shift Select Switch Park Signal
20 | WH | 1538 | Headlamp On With Wipers Signal
21 | PK | 2094 | Steering Column Tilt and Telescope Forward Switch Signal
22 | OG | 2095 | Steering Column Tilt and Telescope Up Switch Signal
23 | -- | -- | Not Used
24 | WH | 2282 | Headlamp Washer Relay Control

### Instrument Panel Module (IPM) - C3

#### Connector Part Information

- OEM: 15412878
- Service: N/A
- Description: 30-Way F (WH)

#### Instrument Panel Module (IPM) - C3

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | RD/WH | 1140 | Battery Positive Voltage
2 | RD/WH | 3340 | Battery Positive Voltage
3 | BK/WH | 151 | Signal Ground
4 | TN | 2501 | High Speed GMLAN Serial Data (-) (1)
5 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1)
6 | D-GN | 44 | Instrument Panel Lamp Dimmer Switch Signal
7 | PK | 5076 | Current Sensor Supply Voltage
8 | WH | 5075 | Current Sensor Signal
9 | BN | 5077 | Current Sensor Low Reference
10 | BK/WH | 451 | Signal Ground
11 | L-BU | 187 | Rear Fog Lamp Switch Signal
12 | OG | 192 | Front Fog Lamp Switch Signal
13 | L-BU/WH | 1414 | Left Front Turn Signal Switch
14 | TN/WH | 99 | Windshield Washer Fluid Level Sensor Signal
15 | TN | 2501 | High Speed GMLAN Serial Data (-) (1)
16 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1)
17 | BN | 5360 | Brake Apply Sensor Low Reference
18 | D-BU | 1796 | Steering Column Radio Control Signal
19 | L-BU/BK | 1688 | 5-Volt Reference
20 | GY | 1884 | Cruise Control Set/Coast/Resume/Accelerate Switch Signal
21 | D-GN | 5060 | Low Speed GMLAN Serial Data
22 | D-GN | 5060 | Low Speed GMLAN Serial Data
23 | -- | -- | Not Used
24 | L-BU | 1485 | Flash-To-Pass Switch Supply Voltage
25 | D-BU/WH | 1415 | Right Front Turn Signal Switch
26 | BN/WH | 1571 | Traction Control Switch Signal (2)
27 | WH | 5359 | Brake Apply Sensor Supply Voltage
28 | YE | 5361 | Brake Apply Sensor Signal
29 | L-GN/WH | 5723 | Ignition Mode Switch Mode Voltage
30 | -- | -- | Not Used

### Rear Integration Module (RIM) - C1

#### Connector Part Information

- OEM: 12124255
- Service: N/A
- Description: 16-Way F (BK)

#### Rear Integration Module (RIM) - C1

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | D-GN | 646 | Reverse Relay Coil Feed
2 | D-BU | 1393 | Courtesy Lamp Relay Coil Control
3 | WH | 193 | Fog Lamp Relay Control
4 | TN | 755 | RAP Relay Coil Control
5-9 | -- | -- | Not Used
10 | YE | 1977 | Rear Fog Lamp Relay Control (Export)
11 | L-BU | 1344 | Trunk Release Relay Output - Coil
12 | BN/WH | 1429 | Stop Lamp Relay Feed
13-16 | -- | -- | Not Used

### Rear Integration Module (RIM) - C2

#### Connector Part Information

- OEM: 12162820
- Service: N/A
- Description: 20-Way F (BK)

#### Rear Integration Module (RIM) - C2

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1-2 | -- | -- | Not Used
3 | D-GN/WH | 1335 | Right Rear Turn Signal Lamp Supply Voltage
4 | PU | 5531 | Hood Closed Switch Signal
5 | -- | -- | Not Used
6 | PK | 6170 | Voltage Reference Signal
7 | D-BU/WH | 149 | Courtesy Lamp Supply Voltage
8 | -- | -- | Not Used
9 | OG/BK | 744 | Trunk Ajar Switch Signal
10-11 | -- | -- | Not Used
12 | PK | 1339 | Run/Crank Ignition 1 Voltage
13 | YE/BK | 1334 | Left Rear Turn Signal Lamp Supply Voltage
14 | -- | -- | Not Used
15 | L-BU | 2380 | Rear Parking Assist Chime Signal
16 | -- | -- | Not Used
17 | TN | 6171 | Control Signal Inputs
18 | -- | -- | Not Used
19 | YE | 5530 | Hood Open Switch Signal
20 | -- | -- | Not Used

### Rear Integration Module (RIM) - C3

#### Connector Part Information

- OEM: 10722617
- Service: N/A
- Description: 12-Way F (BK)

#### Rear Integration Module (RIM) - C3

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | D-BU/WH | 1315 | Right Front Turn Signal Lamp Supply Voltage
2 | L-BU/WH | 1314 | Left Front Turn Signal Lamp Supply Voltage
3 | -- | -- | Not Used
4 | RD/BK | 542 | Battery Positive Voltage
5-9 | -- | -- | Not Used
10 | D-GN | 5060 | Low Speed GMLAN Serial Data
11 | -- | -- | Not Used
12 | YE | 18 | Left Rear Parking Lamp/Turn Signal Lamp Supply Voltage

### Rear Integration Module (RIM) - C4

#### Connector Part Information

- OEM: 12196605
- Service: N/A
- Description: 8-Way F (WH)

#### Rear Integration Module (RIM) - C4

Pin | Wire | Circuit | Function
--- | --- | --- | ---
1 | -- | -- | Not Used
2 | RD/BK | 442 | Battery Positive Voltage
3 | GY | 157 | Interior Lamp Control
4 | BK/WH | 851 | Signal Ground
5 | YE | 18 | Left Rear Parking Lamp/Turn Signal Lamp Supply Voltage
6 | D-GN | 19 | Right Rear Stop/Turn Lamp Supply Voltage
6 | D-GN | 19 | Right Rear Parking Lamp/Turn Signal Lamp Supply Voltage
7 | RD/WH | 540 | Battery Positive Voltage
8 | BK | 850 | Ground