For 1990-2009 cars

Table 1: | C1 Brake Switch
Table 2: | C2 Brake Switch
Table 3: | DRL Relay
Table 4: | Fog Lamp Relay
Table 5: | Headlamp Switch (Buick)
Table 6: | Isolation Relay
Table 7: | Lamp Dimmer Module
Table 8: | LH Tail/Stop Turn Lamp (Pontiac)
Table 9: | LH Tail/Stop Turn Lamp (Buick, Oldsmobile)
Table 10: | Panel Dimmer Switch
Table 11: | Park Lamp Relay
Table 12: | C1 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)
Table 13: | C2 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)

#### C1 Brake Switch

Connector Part Information |

• | 12033701

• | 2-Way F Metri-Pack Series 480 (GRY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | ORN | 140 | Fuse Output-Battery
B | LT BLU | 20 | Stop Lamp Feed

#### C2 Brake Switch

Connector Part Information |

• | 12033706

• | 4-Way F Metri-Pack Series 280 (BLU)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A-B | -- | -- | Not Used
C | LT GRN | 275 | Transaxle Range Switch Output
D | DK GRN/WHT | 1135 | BTSI Solenoid Feed

#### DRL Relay

Connector Part Information |

• | 12110539

• | 5-Way F Metri-Pack Series 280 FLX LK (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | DK BLU | 593 | DRL Feed
85 | BRN | 41 | Fused Output, Ignition
86 | LT GRN/BLK | 592 | DRL Relay Control
87 | ORN | 640 | Fused Output, Battery
87A | BLK | 150 | Ground

#### Fog Lamp Relay

Connector Part Information |

• | 12129716

• | 4-Way F Metri-Pack Series 280 FLX LK (MD GRY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | ORN | 740 | Fused Output, Battery
85 | YEL | 317 | Fog Lamp Relay Control
86 | DK GRN/WHT | 1317 | Fog Lamp Relay Feed
87 | PPL | 34 | Fog Lamp Feed

#### Headlamp Switch (Buick)

Connector Part Information |

• | 12041429

• | 5-Way F Metri-Pack Series 280 (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | -- | -- | Not used
B | YEL | 10 | Head Lamp Switch Output
C | ORN | 640 | Fuse Output-Battery
D | BRN | 9 | Park Lamp Feed
E | ORN | 240 | Fuse Output-Battery

#### Isolation Relay

Connector Part Information |

• | 12110539

• | 5-Way F Metri-Pack Series 280 FLX LK (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | DK GRN/ WHT | 1317 | Fog Lamp Relay Output Coil
85 | BRN | 41 | Fuse Output-Ignition 3
86 | LT GRN/ BLK | 592 | Daytime Running Lamp Relay Output-Coil
87 | BLK | 150 | Ground
87A | LT GRN | 11 | High Beam Headlamp Feed

#### Lamp Dimmer Module

Connector Part Information |

• | 12034060

• | 4-Way F Metri-Pack Series 480 (NAT)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | -- | -- | Not used
B | DK GRN | 44 | Instrument Panel Lamps Dimmer Switch Output
C | GRY | 8 | Instrument Panel Lamp Feed
D | YEL | 32 | Fuse Output-Instrument Panel Lamps

#### LH Tail/Stop Turn Lamp (Pontiac)

Connector Part Information |

• | 12064752

• | 6-Way F Metri-Pack Series 280 (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BRN | 9 | Park Lamp Feed
B | YEL | 18 | Stop, Turn Lamp Feed-Left Rear
C | -- | -- | Not used
D | BRN | 9 | Park Lamp Feed
E | YEL | 18 | Stop, Turn Lamp Feed-Left Rear
F | BLK | 150 | Ground

#### LH Tail/Stop Turn Lamp (Buick, Oldsmobile)

Connector Part Information |

• | 12092254

• | 6-Way Metri-Pack Series 280 (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BRN | 9 | Park Lamp Feed
B | YEL | 18 | Stop, Turn Lamp Feed-Left Rear
C | -- | -- | Not used
D | BRN | 9 | Park Lamp Feed
E | LT BLU | 20 | Stop Lamp Feed
F | BLK | 150 | Ground

#### Panel Dimmer Switch

Connector Part Information |

• | 12020299

• | 5-Way F Printed Circuit Standard Edgeboard (NAT)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | WHT | 156 | Courtesy Lamp Output
B | DK GRN | 44 | Instrument Panel Lamps Dimmer Switch Output
C | YEL | 32 | Fuse Output-Instrument Panel Lamps
D | BLK | 150 | Ground
E | GRY | 8 | Instrument Panel Lamp Feed

#### Park Lamp Relay

Connector Part Information |

• | 12129716

• | 4-Way F Metri-Pack Series 280 FLX LK (MD GRY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | ORN | 240 | Fused Output, Battery
85 | GRY | 991 | Park Lamp Relay Control
86 | ORN | 240 | Fused Output, Battery
87 | BRN | 9 | Park Lamp Feed

#### C1 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)

Connector Part Information |

• | 12084699

• | 6-Way F Metri-Pack Series 280 (BLU)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | YEL | 10 | Headlamp Switch Output
B | GRN LT | 11 | High Beam Headlamp Feed
C | TAN | 12 | Low Beam Headlamp Feed
D | ORN | 240 | Fuse Output-Battery-Type III Fuse
E | ORN | 640 | Fuse Output-Battery-Type III Fuse
F | BRN | 9 | Park Lamp Feed

#### C2 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)

Connector Part Information |

• | 12092237

• | 8-Way F Metri-Pack Series 280 (MD GRY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BLU LT | 20 | Stop Lamp Feed (Oldsmobile Only)
B | GRN DK | 19 | Stop, Turn Lamp Feed-Right Rear
C | YEL | 18 | Stop, Turn Lamp Feed-Left Rear
D | BRN | 27 | Hazard Flasher Output
E | PPL | 16 | Turn Signal Flasher Output
F | BLU LT | 14 | Turn Signal Feed-Left Front
G | BLU DK | 15 | Turn Signal Lamp Feed-Right Front
H | BLK | 28 | Horn Relay Output-Coil