GM Service Manual Online
For 1990-2009 cars only
Connector 1: A/C Compressor Clutch
Connector 2: A/C Refrigerant Pressure Sensor
Connector 3: Air Temperature Actuator (C67), Air Temperature Actuator - Right (CJ3)
Connector 4: Air Temperature Actuator - Left (CJ3)
Connector 5: Ambient Air Temperature Sensor
Connector 6: Blower Motor
Connector 7: Blower Motor Control Processor
Connector 8: HVAC Control Module C1
Connector 9: HVAC Control Module C2
Connector 10: Mode Actuator
Connector 11: Recirculation Actuator

A/C Compressor Clutch


Object Number: 1334534  Size: CH

Connector Part Information

  • OEM: 12162017
  • Service: 12101937
  • Description: 2-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

A/C Compressor Clutch

Pin

Wire Color

Circuit No.

Function

A

BK

1050

Ground

B

D-GN

59

A/C Compressor Clutch Supply Voltage

A/C Refrigerant Pressure Sensor


Object Number: 1519475  Size: CH

Connector Part Information

  • OEM: 15477863
  • Service: 88988301
  • Description: 3-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

A/C Refrigerant Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

TN

5514

Low Reference (LZE, LZ4, LZ9)

BK/WH

2751

Low Reference (LS4)

2

GY

2700

5-Volt Reference 1

3

OG/BK

380

A/C Refrigerant Pressure Sensor Signal

Air Temperature Actuator (C67), Air Temperature Actuator - Right (CJ3)


Object Number: 704047  Size: CH

Connector Part Information

  • OEM: 12059110
  • Service: 88953271
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Air Temperature Actuator (C67), Air Temperature Actuator - Right (CJ3)

Pin

Wire Color

Circuit No.

Function

A

WH/BK

1236

Air Temperature Door Control B

B

D-BU

1646

Air Temperature Door Control A

Air Temperature Actuator - Left (CJ3)


Object Number: 704047  Size: CH

Connector Part Information

  • OEM: 12059110
  • Service: 88953271
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Air Temperature Actuator - Left (CJ3)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1199

Left Air Temperature Door Control B

B

YE

1791

Left Air Temperature Door Control A

Ambient Air Temperature Sensor


Object Number: 684793  Size: CH

Connector Part Information

  • OEM: 12052642
  • Service: 12101856
  • Description: 2-Way F Metri-Pack 150 Series Sealed (GN)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Ambient Air Temperature Sensor

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

735

Ambient Air Temperature Sensor Signal

B

YE

61

Low Reference

Blower Motor


Object Number: 62488  Size: CH

Connector Part Information

  • OEM: 12084957
  • Service: 12126461
  • Description: 2-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Blower Motor

Pin

Wire Color

Circuit No.

Function

A

PU

65

Blower Motor Supply Voltage

B

OG

5987

Ground

Blower Motor Control Processor


Object Number: 62432  Size: CH

Connector Part Information

  • OEM: 12041429
  • Service: 12167129
  • Description: 5-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Pins: A, C, D, E
  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: B
  • Terminal/Tray: 12034046/2
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Blower Motor Control Processor

Pin

Wire Color

Circuit No.

Function

A

BK

150

Ground

B

GY/BK

754

Blower Motor Speed Control

C

RD

442

Battery Positive Voltage

D

OG

5987

Ground

E

PU

65

Blower Motor Supply Voltage

HVAC Control Module C1


Object Number: 1673527  Size: CH

Connector Part Information

  • OEM: 15429808
  • Service: See Catalog
  • Description: 16-Way F Micro 64 Modular (BU)

Terminal Part Information

  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64A (L-BU)

HVAC Control Module C1

Pin

Wire Color

Circuit No.

Function

1

PU/WH

1382

LED Dimming Supply

2

PK

1139

Ignition 1 Voltage

3

BK/WH

1551

Ground

4

RD/WH

1840

Battery Positive Voltage

5-7

--

--

Not Used

8

WH

193

Rear Defog Relay Control

9

L-GN/BK

735

Ambient Air Temperature Sensor Signal (U40)

10

BK

1450

Ground

11

--

--

Not Used

12

YE

61

Low Reference (U40)

13

L-GN/WH

5060

Low Speed GMLAN Serial Data

14-16

--

--

Not Used

HVAC Control Module C2


Object Number: 1664552  Size: CH

Connector Part Information

  • OEM: 15491304
  • Service: See Catalog
  • Description: 20-Way F Receptacle 0.64 (GY)

Terminal Part Information

  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)

HVAC Control Module C2

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

GY/BK

754

Blower Motor Speed Control

5

L-GN

2275

Mode Door Control A

6

YE

1791

Left Air Temperature Door Control A (CJ3)

7

PK/WH

1648

Recirculation Door Control A

8

D-BU

1646

Air Temperature Door Control A

9-14

--

--

Not Used

15

TN

2273

Mode Door Control B

16

D-BU/WH

1199

Left Air Temperature Door Control B (CJ3)

17

L-GN/BK

1647

Recirculation Door Control B

18

WH/BK

1236

Air Temperature Door Control B

19-20

--

--

Not Used

Mode Actuator


Object Number: 333035  Size: CH

Connector Part Information

  • OEM: 12047781
  • Service: 12101864
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Mode Actuator

Pin

Wire Color

Circuit No.

Function

A

TN

2273

Mode Door Control B

B

--

--

Not Used

C

L-GN

2275

Mode Door Control A

Recirculation Actuator


Object Number: 704047  Size: CH

Connector Part Information

  • OEM: 12059110
  • Service: 88953271
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Recirculation Actuator

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1647

Recirculation Door Control B

B

PK/WH

1648

Recirculation Door Control A