GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Clutch
Table 2: A/C High/Low Pressure Switch
Table 3: Blower Motor (LHD)
Table 4: Blower Motor (RHD)
Table 5: Blower Motor Resistors (LHD)
Table 6: Blower Motor Resistors (RHD)
Table 7: HVAC Control Head (A/C and Recirc)
Table 8: HVAC Control Head (Fan Switch)
Table 9: Recirc Door Motor (LHD)
Table 10: Recirc Door Motor (RHD)

A/C Clutch


Object Number: 884168  Size: CH

Connector Part Information

    • 12052641
    • Black

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Clutch Coil

B

--

--

Not Used

A/C High/Low Pressure Switch


Object Number: 885018  Size: CH

Connector Part Information

    • 12162440
    • Black

Pin

Wire Color

Circuit No.

Function

A

DK GRN

603

A/C Request Signal to BCM

B

LT GRN

66

A/C Request Signal from HVAC Control Head

Blower Motor (LHD)


Object Number: 884221  Size: CH

Connector Part Information

    • 12064829
    • Brown

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground H Brace

B

PPL

65

IPFB HVAC Blower Relay

Blower Motor (RHD)


Object Number: 884224  Size: CH

Connector Part Information

    • 12103574
    • Natural

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground H Brace

B

PPL

65

IPFB HVAC Blower Relay

Blower Motor Resistors (LHD)

smelc801203ac1

Connector Part Information

    • 12064877
    • Black

Pin

Wire Color

Circuit No.

Function

A

LT BLU

72

Blower Switch - Med 2

B

TAN

63

Blower Switch - Med

C

DK BLU

101

IPFB HVAC - Blower Relay

D

YEL

60

Blower Switch - LO

Blower Motor Resistors (RHD)


Object Number: 884226  Size: CH

Connector Part Information

    • 12186603
    • Natural

Pin

Wire Color

Circuit No.

Function

1

YEL

60

Blower Switch

2

--

--

Not Used

3

DK BLU

101

IPFB HVAC - Blower Relay

4

TAN

63

Blower Switch - Med

5

--

--

Not Used

6

LT BLU

72

Blower Switch - Med 2

HVAC Control Head (A/C and Recirc)


Object Number: 884645  Size: CH

Connector Part Information

    • 15336594
    • Gray

Pin

Wire Color

Circuit No.

Function

A

PPL

1614

HVAC Fan Switch - Recirc Switch B+

B

ORN

41

IPFB HVAC Fuse - Ignition

C

LT GRN

66

A/C High/Low Pressure Switch

D

PNK/WHT

1648

Recirc Door Motor - Open

E

LT GRN/BLK

1647

Recirc Door Motor - Closed

F

DK GRN

8

Illum Bulb

G

LT BLU

292

BCM -- Rear Defog

H

--

--

Not Used

J

BLK

350

I/P Splice Pack #1 Ground

K

WHT

193

IPFB Rear Defog Relay - Rear Defog LED

L - M

--

--

Not Used

HVAC Control Head (Fan Switch)


Object Number: 884646  Size: CH

Connector Part Information

    • 12064860
    • Black

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1614

Recirc Switch

B

YEL

60

Blower Motor Resistors - Lo

C

TAN

63

Blower Motor Resistors - Med

D

ORN

41

IPFB HVAC Fuse - Ignition

E

LT BLU

72

Blower Motor Resistors - Med 2

F

PPL

52

BCM Hi Input

Recirc Door Motor (LHD)


Object Number: 885054  Size: CH

Connector Part Information

    • 15300008
    • Black

Pin

Wire Color

Circuit No.

Function

A

PNK/WHT

1648

Motor Feed - Open

B

LT GRN/BLK

1647

Motor Feed - Closed

Recirc Door Motor (RHD)


Object Number: 884378  Size: CH

Connector Part Information

    • 12064993
    • Black

Pin

Wire Color

Circuit No.

Function

5

PNK/WHT

1648

HVAC Control Head

6

LT GRN/WHT

1647

HVAC Control Head

7 - 10

--

--

Not Used