GM Service Manual Online
For 1990-2009 cars only
Table 1: C-1 Blower Motor Switch Heater Control Asm.
Table 2: C-2 Blower Motor Switch -- Base (NO A/C)
Table 3: Blower Motor Resistor/Relay Assembly
Table 4: Blower Motor

C-1 Blower Motor Switch Heater Control Asm.


Object Number: 73151  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BLK

1050

Ground

D

--

--

Not Used

E

GRY

8

Instrument Panel Lamp Feed

F-M

--

--

Not Used

C-2 Blower Motor Switch -- Base (NO A/C)


Object Number: 62469  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

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