GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch (C67)
Table 2: A/C Refrigerant Pressure Sensor (L61) (C67)
Table 3: A/C Refrigerant Pressure Sensor (LSJ) (C67)
Table 4: Air Temperature Actuator
Table 5: Blower Motor
Table 6: Blower Motor Resistor
Table 7: HVAC Control Module C1
Table 8: HVAC Control Module C2
Table 9: HVAC Control Module C3
Table 10: Mode Actuator
Table 11: Recirculation Actuator

A/C Compressor Clutch (C67)


Object Number: 1334534  Size: CH

Connector Part Information

    • OEM: 12162017
    • Service: See Catalog
    •  2-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

D-GN

59

A/C Compressor Clutch Supply Voltage (C67)

B

BK

150

Ground

A/C Refrigerant Pressure Sensor (L61) (C67)


Object Number: 726824  Size: CH

Connector Part Information

    • OEM: 15397275
    • Service: See Catalog
    •  3-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

BK/WH

2751

Signal Ground

2

GY

2700

A/C Pressure Sensor 5-Volt Reference (C67)

3

OG/BK

380

A/C Refrigerant Pressure Sensor Signal (C67)

A/C Refrigerant Pressure Sensor (LSJ) (C67)


Object Number: 726824  Size: CH

Connector Part Information

    • OEM: 15397275
    • Service: See Catalog
    •  3-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

2751

Signal Ground

2

GY

2700

A/C Pressure Sensor 5-Volt Reference (C67)

3

RD/BK

380

A/C Refrigerant Pressure Sensor Signal (C67)

Air Temperature Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • OEM: 12064993
    • Service: See Catalog
    •  6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5

PK

339

Run/Crank Ignition 1 Voltage

6

WH/BK

1236

Passenger Air Temperature Door Control

7

BK/WH

550

Ground

8

--

--

Not Used

9

D-BU

1646

Passenger Air Temperature Door Position Signal

10

L-BU/BK

1688

5-Volt Reference

Blower Motor


Object Number: 808706  Size: CH

Connector Part Information

    • OEM: 12064749
    • Service: See Catalog
    •  2-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

52

High Blower Motor Control

B

BN

141

Run Ignition 3 Voltage

Blower Motor Resistor


Object Number: 816184  Size: CH

Connector Part Information

    • OEM: 12129566
    • Service: See Catalog
    •  4-Way F Metri-Pack 280 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

TN

63

Medium Blower Motor Control (1)

B

L-BU

72

Medium 2 Blower Motor Control

C

OG

52

High Blower Motor Control

D

YE

60

Low Blower Motor Control

HVAC Control Module C1


Object Number: 1454407  Size: CH

Connector Part Information

    • OEM: 15416970
    • Service: See Catalog
    •  16-Way F Micro-Pack 64 Modular (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN

2275

Mode 1 Valve Position Sensor Signal

2-3

--

--

Not Used

4

L-BU/BK

1688

5-Volt Reference

5

L-GN/BK

1647

Open Recirculation Door Control

6

PK/WH

1648

Close Recirculation Door Control

7

PK

339

Run/Crank Ignition 1 Voltage

8

PK

339

Run/Crank Ignition 1 Voltage

9

D-BU

1646

Passenger Air Temperature Door Position Signal

10

--

--

Not Used

11

D-GN

71

Off Blower Motor Control

12

L-BU/BK

1688

5-Volt Reference

13

WH/BK

1236

Passenger Air Temperature Door Control

14

TN

2273

Mode Door Control

15

BK/WH

550

Ground

16

BK/WH

550

Ground

HVAC Control Module C2


Object Number: 1644506  Size: CH

Connector Part Information

    • OEM: 15480081
    • Service: See Catalog
    •  8-Way F Micro-Pack 64 (BK)

Pin

Wire Color

Circuit No.

Function

A1

PK

339

Run/Crank Ignition 1 Voltage

A2

GY

8

Instrument Panel Lamp Supply Voltage (1)

A3

--

--

Not Used

A4

RD/WH

1540

Battery Positive Voltage

A5

BK

550

Ground

A6

L-GN

66

A/C Request Signal (C67)

A7

WH

193

Rear Defog Relay Control

A8

L-BU

292

Rear Defog Switch Signal

HVAC Control Module C3


Object Number: 62469  Size: CH

Connector Part Information

    • OEM: 12064998
    • Service: See Catalog
    •  8-Way F Metri-Pack 280 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

71

Off Blower Motor Control

B

BK

550

Ground

C-D

--

--

Not Used

E

OG

52

High Blower Motor Control

F

L-BU

72

Medium 2 Blower Motor Control

G

TN

63

Medium Blower Motor Control (1)

H

YE

60

Low Blower Motor Control

Mode Actuator


Object Number: 280764  Size: CH

Connector Part Information

    • OEM: 12064993
    • Service: See Catalog
    •  6-Way F Micro-Pack 100 Series (BK)

Pin

Wire Color

Circuit No.

Function

5

PK

339

Run/Crank Ignition 1 Voltage

6

TN

2273

Mode Door Control

7

BK/WH

550

Ground

8

--

--

Not Available

9

L-GN

2275

Mode 1 Valve Position Sensor Signal

10

L-BU/BK

1688

5-Volt Reference

Recirculation Actuator


Object Number: 704047  Size: CH

Connector Part Information

    • OEM: 12059110
    • Service: See Catalog
    •  2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1647

Open Recirculation Door Control

B

PK/WH

1648

Close Recirculation Door Control