GM Service Manual Online
For 1990-2009 cars only
Table 1: Blower Motor
Table 2: Blower Motor Resistors
Table 3: HVAC Control Head-A/C and Recirc
Table 4: HVAC Control Head-Mode Lever and Fan Switch Dim Illum
Table 5: HVAC Control Head-Fan Switch
Table 6: Recirc Door Motor

Blower Motor


Object Number: 924551  Size: CH

Connector Part Information

    • 12064829
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

GRA

350

3.0

GROUND

B

PPL

65

3.0

BLOWER RELAY

Location: I/P -- Right Lower

Blower Motor Resistors


Object Number: 924568  Size: CH

Connector Part Information

    • 12064877
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

LT BLU

72

.50

MED 2

B

TAN

63

.50

MED

C

PPL

101

.50

RELAY BLOWER MOTOR

D

YEL

60

.50

LO

Location: I/P -- Right Lower

HVAC Control Head-A/C and Recirc


Object Number: 884626  Size: CH

Connector Part Information

    • 12047886
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

DK GRN

44P

.35

ILLUM FROM DIMMER SW

B

LT GRN/BLK

1647

.35

RECIRC SWITCH-CLOSED

C

PPL

1614

.35

RECIRC SWITCH B+

D

BRN

9AP

.35

ILLUM BULBS

E

LT GRN

66A

.35

A/C SWITCH

F

BLK

350B

.35

GROUND

G

PNK/WHT

1648

.35

RECIRC SWITCH + OPEN

H

--

--

--

--

Location:Center I/P

HVAC Control Head-Mode Lever and Fan Switch Dim Illum


Object Number: 884256  Size: CH

Connector Part Information

    • 12052832
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BRN

9AB

.35

ILLUM BULBS

B

DK GRN

44B

.35

ILLUM BULBS FROM DIMMER SW

Location:Center I/P

HVAC Control Head-Fan Switch


Object Number: 918804  Size: CH

Connector Part Information

    • 12092374
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

PPL

52

3.0

HI

B

LT BLU

72

2.0

MED 2

C

ORN

41

3.0

B+

D

TAN

63

2.0

MED

E

YEL

60

2.0

LO

F

DK GRN

1614

2.0

RECIRC SWITCH

Location: Center I/P

Recirc Door Motor


Object Number: 916884  Size: CH

Connector Part Information

    • 12064993
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

5

PNK/WHT

1648

.35

MOTOR FEED_OPEN

6

LT GRN/BLK

1647

.35

MOTOR FEED_CLOSED

7-10

--

--

--

--

Location: I/P Right Upper