GM Service Manual Online
For 1990-2009 cars only
Connector 1: A/C Compressor Clutch (C60)
Connector 2: A/C Refrigerant Pressure Sensor
Connector 3: Blower Motor
Connector 4: Blower Motor Resistor Assembly
Connector 5: Evaporator Temperature Sensor (C60)
Connector 6: HVAC Control Module C1
Connector 7: HVAC Control Module C2
Connector 8: Recirculation Actuator (C60)

A/C Compressor Clutch (C60)


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 (C60)

Pin

Wire Color

Circuit No.

Function

A

BK

350

Ground

B

D-GN

59

A/C Compressor Clutch Supply Voltage

A/C Refrigerant Pressure Sensor


Object Number: 726824  Size: CH

Connector Part Information

  • OEM: 15344137
  • Service: 88988301
  • Description: 3-Way F Metri-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

A/C Refrigerant Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

BK

2751

Low Reference

2

GY

2700

5-Volt Reference

3

RD/BK

380

A/C Refrigerant Pressure Sensor Signal

Blower Motor


Object Number: 1335559  Size: CH

Connector Part Information

  • OEM: 15438389
  • Service: 88987963
  • Description: 2-Way F (WH)

Terminal Part Information

  • Terminal/Tray: 7116-2877/10
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Blower Motor

Pin

Wire Color

Circuit No.

Function

1

BN

41

Ignitiion 3 Voltage

2

OG

52

Blower Motor High Control

Blower Motor Resistor Assembly


Object Number: 816184  Size: CH

Connector Part Information

  • OEM: 12129566
  • Service: 15306069
  • Description: 4-Way F Metri-Pack 280 Series Sealed (GY)

Terminal Part Information

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

Blower Motor Resistor Assembly

Pin

Wire Color

Circuit No.

Function

A

TN

63

Blower Motor Medium 1 Control

B

L-BU

72

Medium 2 Blower Motor Control

C

OG

52

Blower Motor High Control

D

YE

60

Blower Motor Low Control

Evaporator Temperature Sensor (C60)


Object Number: 697021  Size: CH

Connector Part Information

  • OEM: 15368694
  • Service: 88953272
  • Description: 3-Way F Metri-Pack 150 Series (WH)

Terminal Part Information

  • Terminal/Tray: 173630-7/7
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-33 (YE)

Evaporator Temperature Sensor (C60)

Pin

Wire Color

Circuit No.

Function

1

L-GN

66

A/C Request Signal

2

D-GN/WH

762

A/C Request Signal

3

BK

2050

Ground

HVAC Control Module C1


Object Number: 62467  Size: CH

Connector Part Information

  • OEM: 12064980
  • Service: 12102629
  • Description: 9-Way F Micro-Pack 100 Series (BK)

Terminal Part Information

  • Pins: 7, 8, 9, 10, 11, 13, 14
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

HVAC Control Module C1

Pin

Wire Color

Circuit No.

Function

7

D-GN

71

OFF Blower Motor Control (C60)

8

BN

141

Ignition 3 Voltage

9

L-GN

66

A/C Request Signal (C60)

10

L-GN/BK

1647

Recirculation Door Control B (C60)

11

PK/WH

1648

Recirculation Door Control A (C60)

12

--

--

Not Used

13

GY

8

Instrument Panel Lamps Dimmer Switch Signal

14

BK

2050

Ground

15

--

--

Not Used

HVAC Control Module C2


Object Number: 62469  Size: CH

Connector Part Information

  • OEM: 12064998
  • Service: 15306189
  • Description: 8-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

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

HVAC Control Module C2

Pin

Wire Color

Circuit No.

Function

A

D-GN

71

OFF Blower Motor Control (C60)

B

BK

2050

Ground

C-D

--

--

Not Used

E

OG

52

Blower Motor High Control

F

L-BU

72

Medium 2 Blower Motor Control

G

TN

63

Blower Motor Medium 1 Control

H

YE

60

Blower Motor Low Control

Recirculation Actuator (C60)


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 (C60)

Pin

Wire Color

Circuit No.

Function

A

L-GN/BK

1647

Recirculation Door Control B

B

PK/WH

1648

Recirculation Door Control A