GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Low Pressure Cycling Switch (ALL)
Table 2: C-1 HVAC Control Module
Table 3: C-2 HVAC Blower Switch (Part of HVAC Control Module)
Table 4: Blower Motor Resistor Relay Assembly
Table 5: Blower Motor
Table 6: Mode Door Motor (HVAC)
Table 7: Recirculation Door Motor (HVAC)
Table 8: Temperature Door Motor (HVAC)
Table 9: A/C Automatic Recirculating Switch
Table 10: A/C Compressor
Table 11: A/C Compressor High Pressure Cutout Switch

A/C Compressor Low Pressure Cycling Switch (ALL)


Object Number: 35437  Size: CH

Connector Part Information

    • 12052644
    • 2 Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

603

A/C Compressor Low Pressure Cycling Switch Output

B

BLK

550

Ground

C-1 HVAC Control Module


Object Number: 73151  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

Blower Switch Output - Off

B

WHT

119

Mode Switch Output

C

BLK

2450

Ground

D

DK GRN

1614

Recirculation Door Motor Feed

E

GRY

8

Instrument Panel Lamp Feed

F

DK BLU

1199

Temperature Door Motor Feed

G

LT BLU

733

Temperature Door Position Sensor - Signal

H

GRY

598

Reference Voltage Feed - 5 Volt

J

WHT

193

Rear Defogger Relay Output - Coil

K

BRN

341

Fused Ignition Feed

L

LT BLU

203

A/C Compressor High Pressure Cutout Switch

M

RED

708

Mode Door Position Sensor - Signal

C-2 HVAC Blower Switch (Part of HVAC Control Module)


Object Number: 62469  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK GRN

71

Blower Switch Output - Off

B

BRN

141

Fused Ignition Feed

C

ORN

52

Blower Switch Output - (High)

D

--

--

Not Used

E

PPL

73

Blower Switch Output - (Med 3)

F

LT BLU

72

Blower Switch Output - (Med 2)

G

TAN

63

Blower Switch Output - (Med 1)

H

YEL

60

Blower Switch Output - (Low)

Blower Motor Resistor Relay Assembly


Object Number: 73146  Size: CH

Connector Part Information

    • 12052854
    • 7 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

63

Blower Switch Output - (Medium 1)

B

YEL

60

Blower Switch Output - (Low)

C

PPL

73

Blower Switch Output - (Medium 3)

D

LT BLU

72

Blower Switch Output - (Medium 2)

E

BLK

1050

Ground

F

ORN

52

Blower Switch Output - (High)

G

ORN

540

Fused Battery Feed

Blower Motor


Object Number: 62488  Size: CH

Connector Part Information

    • 12084957
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

65

Blower Motor Feed

B

BLK

1050

Ground

Mode Door Motor (HVAC)


Object Number: 280764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

5

BRN

341

Fused Ignition 3 Feed

6

WHT

119

Mode Switch Output

7

BLK

2450

Ground

8

--

--

Not Used

9

RED

708

Mode Door Position Sensor Signal (Upper)

10

GRY

598

Reference Voltage Feed (5 Volt)

Recirculation Door Motor (HVAC)


Object Number: 280764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

5

BRN

341

Fused Ignition 3 Feed

6

DK GRN

1614

Recirculation Door Motor (HVAC) Feed

7

BLK

2450

Ground

8-10

--

--

Not Used

Temperature Door Motor (HVAC)


Object Number: 280764  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

5

BRN

341

Fused Ignition 3 Feed

6

DK BLU

1199

Temperature Door Motor (HVAC) Feed

7

BLK

2450

Ground

8

--

--

Not Used

9

LT BLU

733

Temperature Door Position Sensor Signal

10

GRY

598

Reference Voltage Feed (5 Volt)

A/C Automatic Recirculating Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12124037
    • 2 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

604

A/C Automatic Recirculating Switch Output

B

BLK

150

Ground

A/C Compressor


Object Number: 280759  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

550

Ground

B

DK GRN

59

A/C Compressor Clutch Solenoid Feed

A/C Compressor High Pressure Cutout Switch


Object Number: 366093  Size: CH

Connector Part Information

    • 15317968
    • 2 Way F Micro-Pack 100 W Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

203

Air Conditioning Refrigerant High Pressure Cutout Switch

B

DK GRN/WHT

762

Air Conditioning Request Signal