GM Service Manual Online
For 1990-2009 cars only
Table 1: Blower Motor
Table 2: High Speed Blower Motor Relay
Table 3: Blower Motor Resistor Assembly
Table 4: HVAC Control Assembly - C1
Table 5: HVAC Control Assembly Connector - C2
Table 6: Mode Actuator
Table 7: Temperature Door Motor

Blower Motor


Object Number: 62488  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL

65

Blower Motor Supply Voltage

B

BLK

150

Ground

High Speed Blower Motor Relay


Object Number: 281201  Size: CH

Connector Part Information

    • 12110541
    • 6-Way F Metri-pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BLK

150

Ground

A2

RED

542

Battery Positive Voltage

B1

--

--

Not Used

B2

DK BLU

101

Blower Motor Supply Voltage

C1

PPL

65

Blower Motor Supply Voltage

C2

ORN

52

Hign Blower Motor Control

Blower Motor Resistor Assembly


Object Number: 73208  Size: CH

Connector Part Information

    • 12064877
    • 4-Way F Metri-pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

60

Low Blower Motor Control

B

DK BLU

101

Blower Motor Supply Voltage

C

TAN

63

Medium 1 Blower Motor Control

D

LT BLU

72

Medium 2 Blower Motor Control

HVAC Control Assembly - C1


Object Number: 362756  Size: CH

Connector Part Information

    • 12191271
    • 10-Way P/C Bow Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

GRY

8

Instrument Panel Lamp Supply Voltage 1

2

BLK

150

Ground

3

DK GRN

71

OFF Blower Control

4

DK GRN

1614

Recirculation Door Control

5

BRN

141

Ignition 3 Voltage

6-7

--

--

Not Used

8

LT BLU

733

Air Temperature Door Control

9

WHT

454

Mode Door Control

10

--

--

Not Used

HVAC Control Assembly Connector - C2


Object Number: 62469  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT BLU

72

Medium 2 Blower Motor Control

B

TAN

63

Medium 1 Blower Motor Control

C

YEL

60

Low Blower Motor Control

D

DK GRN

71

OFF Blower Motor Control

E-F

--

--

Not Used

G

BRN

141

Ignition 3 Voltage

H

ORN

52

High Blower Motor Control

Mode Actuator


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Micro-pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

150

Ground

8

WHT

454

Mode Door Control

9

--

--

Not Used

10

BRN

141

Ignition 3 Voltage

Temperature Door Motor


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5-6

--

--

Not Used

7

BLK

150

Ground

8

LT BLU

733

Air Temperature Door Control

9

--

--

Not Used

10

BRN

141

Ignition 3 Voltage