For 1990-2009 cars

Table 1: | A/C Clutch
Table 2: | A/C Clutch Relay
Table 3: | A/C Pressure Sensor
Table 4: | Blower Motor High-Speed Relay
Table 5: | Blower Motor Relay
Table 6: | Blower Motor Resistor
Table 7: | Heater and A/C Control C1 (Buick with C67)
Table 8: | Heater and A/C Control C2 (Buick with C67)
Table 9: | Heater and A/C Control C1 (Oldsmobile with C61)
Table 10: | Heater and A/C Control C2 (Oldmobile with C61)
Table 11: | Heater and A/C Control C3 (Oldsmobile with C61)
Table 12: | Heater and A/C Control C1 (Pontiac with C61)
Table 13: | Heater and A/C Control C2 (Pontiac with C61)
Table 14: | Heater and A/C Vacuum Valve (Buick with C67)
Table 15: | Temperature Valve Actuator

#### A/C Clutch

Connector Part Information |

• | 12162017

• | 2-Way F Metri-Pack 150 Series, Sealed (GRY)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | DK GRN | 59 | A/C Compressor Clutch Solenoid Feed
B | BLK | 1450 | Ground

#### A/C Clutch Relay

Connector Part Information |

• | 12110787

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | PNK | 239 | Fused Output - Ignition 1
85 | DK GRN/WHT | 459 | Air Conditioning Compressor Control Relay Output - Ignition 1
86 | PNK | 239 | Fused Output - Ignition 1
87 | DK GRN | 59 | Air Conditioning Compressor Clutch Solenoid Feed

#### A/C Pressure Sensor

Connector Part Information |

• | 12110192

• | 3-Way F Metri-Pack 150 Series (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | BLK | 808 | Sensor Return
B | GRY | 474 | 5 Volt Reference Feed
C | RED/BLK | 380 | A/C Refrigerant Pressure Sensor Signal

#### Blower Motor High-Speed Relay

Connector Part Information |

• | 12110787

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | BRN | 41 | Fused Output - Ignition 3
85 | BRN | 41 | Fused Output - Ignition 3
86 | BRN | 247 | Blower Enable Relay Output - Coil
87 | LT BLU | 1888 | Cruise Control Servo Clutch Output

#### Blower Motor Relay

Connector Part Information |

• | 12110538

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
30 | PPL | 65 | Blower Motor Feed
85 | ORN | 52 | Blower Switch Output - High
86 | BLK | 1550 | Ground
87 | RED | 442 | Fused Output - Battery
87 | DK BLU | 101 | Blower Resistor Output

#### Blower Motor Resistor

Connector Part Information |

• | 12048415

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | DK BLU | 101 | Blower Resistor Output
B | LT BLU | 72 | Blower Switch Output - Medium 2
C | TAN | 63 | Blower Switch Output - Medium 1
D | LT BLU | 188 | Blower Enable Relay Output - N.O. Contact (Buick)
D | YEL | 60 | Blower Switch Output - Low (Oldsmobile and Pontiac)

#### Heater and A/C Control C1 (Buick with C67)

Connector Part Information |

• | 12064752

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | -- | -- | Not Used
B | TAN | 63 | Blower Switch Output - Medium 1
C | ORN | 52 | Blower Switch Output - High
D | LT BLU | 72 | Blower Switch Output - Medium 2
E | LT BLU | 188 | Blower Enable Relay - N.O. Contact
F | -- | -- | Not Used

#### Heater and A/C Control C2 (Buick with C67)

Connector Part Information |

• | 12110259

• | 16 Way F Micro-Pack 100 Series (GRN)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1 | BRN | 247 | Blower Enable Relay Output-Coil
A2 | DK BLU | 1199 | Air Temperature Valve Motor Feed
A3 | GRY | 8 | Instrument Panel Lamp Feed
A4 | PPL/WHT | 724 | Vacuum Fluorescent Dimming Signal
A5 | -- | -- | Not Used
A6 | YEL | 1791 | Air Temperature Valve Motor Return
A7 | BLK | 1250 | Ground
A8 | BRN | 1141 | Fused Output-IGN
B1 | WHT | 193 | Rear Defogger Relay Output-Coil
B2 | LT GRN | 66 | A/C Switch Output
B3 | PNK | 1396 | A/C Switch Signal-Defroster Solenoid Control
B4 | LT GRN | 1395 | A/C Switch Signal-Vent Solenoid Control
B5 | PPL | 1397 | A/C Switch Signal-Heat Solenoid Control
B6 | DK GRN | 1394 | A/C Switch Signal-A/C Solenoid Control
B7-B8 | -- | -- | Not Used

#### Heater and A/C Control C1 (Oldsmobile with C61)

Connector Part Information |

• | 12047886

• | 8-Way F Metri-Pack 150 Series (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | LT GRN | 66 | Air Conditioning Switch Output
B | BLK | 1250 | Ground
C | ORN | 40 | Fuse Output - Battery - Type III Fuse
D | GRA | 8 | Instrument Panel Lamp Feed
E | YEL | 1791 | Air Temperature Valve Motor Return
F-G | -- | -- | Not Used
H | DK BLU | 1199 | Air Temperature Valve Motor Feed

#### Heater and A/C Control C2 (Oldmobile with C61)

Connector Part Information |

• | 12064752

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | WHT | 193 | Rear Defogger Relay Output - Coil
B | BRN | 41 | Fuse Output - Ignition
C | ORN | 60 | Blower Switch Output - Low
D-F | -- | -- | Not Used

#### Heater and A/C Control C3 (Oldsmobile with C61)

Connector Part Information |

• | 12020813

• | 5-Way F Metri-Pack 680 Series (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | -- | -- | Not Used
B | ORN | 52 | Blower Switch Output - High
C | TAN | 63 | Blower Switch Output - Medium 1
D | LT BLU | 72 | Blower Switch Output - Medium 2
E | YEL | 60 | Blower Switch Output - Low

#### Heater and A/C Control C1 (Pontiac with C61)

Connector Part Information |

• | 12015344

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

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
D | PPL | 293 | Rear Defogger Element
A | TAN | 63 | Blower Switch Output - Medium 1
C | ORN | 1140 | Fuse Output - Battery- Type III fuse
B | LT BLU | 72 | Blower Switch Output - Medium 2
E | BRN | 41 | Fuse Output - Ignition 3-Type III Fuse
F | Yel | 60 | Blower Switch Output- L

#### Heater and A/C Control C2 (Pontiac with C61)

Connector Part Information |

• | 12065398

• | 8-Way F Metri-Pack 150 Series (NAT)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | LT GRN | 66 | Air Conditioning Switch Output
B | BLK | 1250 | Ground
C | ORN | 52 | Blower Switch Output - High
D | GRA | 8 | Instrument Panel Lamp Feed
E | YEL | 1791 | Air Temperature Valve Motor Return
F | BLK | 1250 | Ground
G | DK BLU | 1199 | Air Temperture Valve Motor Feed
H | BRN | 41 | Fuse Output - Ignition

#### Heater and A/C Vacuum Valve (Buick with C67)

Connector Part Information |

• | 12064978

• | 6-Way F Micro-Pack 100 Series (GRA)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
1 | DK GRN | 1394 | Air Conditioning Switch Signal - Air Conditioning Solenoid Control
2 | LT GRN | 1395 | Air Conditioning Switch Signal - Vent Solenoid Control
3 | PNK | 1396 | Air Conditioning Switch Signal - Defrost Solenoid Control
4 | PPL | 1397 | Air Conditioning Switch Signal - Heat Solenoid Control
5 | BRN | 41 | Fused Output - Ignition 3
6 | -- | -- | Not Used

#### Temperature Valve Actuator

Connector Part Information |

• | 12040953

• | 6-Way F Micro-Pack 100 Series (BLK)

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
5-6 | -- | -- | Not Used
7 | YEL | 1791 | Air Temperature Valve Motor Return
8 | DK BLU | 1199 | Air Temperature Valve Motor Feed
9 | -- | -- | Not Used
10 | BRN | 41 | Fused Output - Ignition 3 (Buick)
10 | BRN | 41 | Fused Output - Ignition 3 (Oldsmobile)