GM Service Manual Online
For 1990-2009 cars only
Table 1: Air Temperature Actuator
Table 2: A/C Compressor Clutch
Table 3: A/C Refrigerant Pressure Sensor
Table 4: Blower Motor
Table 5: Blower Resistor Assembly
Table 6: Heater A/C Control Assembly C1
Table 7: Heater A/C Control Assembly C2

Air Temperature Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK/WHT

251

Ground

8

LT BLU

733

Air Temperature Valve Position Sensor Signal

9

--

--

Not Used

10

BRN

41

Fused Output-Ignition 3

A/C Compressor Clutch


Object Number: 280759  Size: CH

Connector Part Information

    • 12162017
    • 2 Way F Metri-Pack 150 Series (MD)

Pin

Wire Color

Circuit No.

Function

A

GRY

729

A/C Compressor Clutch Solenoid Output

B

DK GRN

59

A/C Compressor Clutch Solenoid Feed

A/C Refrigerant Pressure Sensor


Object Number: 62485  Size: CH

Connector Part Information

    • 12110192
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2751

5-Volt Return

B

GRY

2700

5-Volt Reference

C

RED/BLK

380

A/C Refrigerant Pressure Sensor Signal

Blower Motor


Object Number: 287953  Size: CH

Connector Part Information

    • 12064829
    • 2 Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

PPL

65

Blower Motor Feed

Blower Resistor Assembly


Object Number: 243503  Size: CH

Connector Part Information

    • 12084890
    • 5 Way F Metri-Pack 280 Series Sealed (MD)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

72

Blower Switch Output-Medium 2

B

YEL

60

Blower Switch Output-Low

C

TAN

63

Blower Switch Output-Medium 1

D

PPL

73

Blower Switch Output-Medium 3

E

DK BLU

101

Blower Resistor Output

Heater A/C Control Assembly C1


Object Number: 62469  Size: CH

Connector Part Information

    • 12064998
    • 8 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BRN

641

Fused Output - Ignition 3

C

ORN

52

Blower Switch Output-High

D

--

--

Not Used

E

PPL

73

Blower Switch Output-Medium 3

F

LT BLU

72

Blower Switch Output-Medium 2

G

TAN

63

Blower Switch Output-Medium 1

H

YEL

60

Blower Switch Output-Low

Heater A/C Control Assembly C2


Object Number: 73151  Size: CH

Connector Part Information

    • 12064799
    • 12 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

66

A/C Switch Output

C

BRN

41

Fused Output - Ignition 3

D

WHT

193

Rear Defogger Relay Output-Coil

E

ORN

1440

Fused Output-Battery

F

--

--

Not Used

G

LT BLU

733

Air Temperature Valve Position Sensor Signal

H

--

--

Not Used

J

GRY

8

IP Lamp Feed

K

BLK/WHT

251

Ground

L

--

--

Not Used

M

BRN

9

Parklamp Feed