GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module (PZM) C1
Table 2: Body Control Module (PZM) C2
Table 3: Inadvertent Power Relay

Body Control Module (PZM) C1


Object Number: 255037  Size: CH

Connector Part Information

    • 12160778
    • 24-Way F Micro-Pack 100 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1807

Serial Data - Class 2

A2

PPL

1807

Serial Data - Class 2

A3

YEL

43

Accessory - Fused

A4

LT GRN

265

Key Cylinder UNLOCK, Right Front

A5

BLK

746

Passenger Door(s) Ajar

A6

DK BLU/WHT

727

Door Jamb Input, Right Front

A7

LT BLU

263

Rear Compartment Tamper Switch Input

A8

DK BLU

245

Door UNLOCK, Right Front

A9

LT BLU

244

Door LOCK, Right Front and Right Rear

A10

TAN

126

Door Jamb, Left Front

A11

--

--

Not Used

A12

BLK

1051

Ground

B1

ORN

2640

Battery - Fused

B2

--

--

Not Used

B3

PNK

1039

IGN 1 - Fused

B4

LT GRN/BLK

262

Key Cylinder UNLOCK, Left front

B5

DK BLU/WHT

1355

Valet Lockout

B6

GRY/BLK

745

Door Ajar, Left Front

B7

ORN

54

Door Jambs, Left Rear and Right Rear

B8

ORN/BLK

781

Door UNLOCK, Left Front

B9

RED/BLK

780

Door LOCK, Left Front and Left Rear

B10

RED/BLK

744

Rear Compartment Ajar Input, Right Side

B11

BLK

552

Fuel Sensor Return

B12

PPL/WHT

30

Fuel Level Sense

Body Control Module (PZM) C2


Object Number: 328562  Size: CH

Connector Part Information

    • 12160779
    • 32 Way F Micro-Pack 100 Series (BRN)

Pin

Wire Color

Circuit No.

Function

C1

--

--

Not Used

C2

ORN

2640

Low Power Driver

C3

BRN

247

Inadvertent Power Relay Enable

C4

BLK

28

Horn Enable

C5

WHT

194

Door UNLOCK, Right Front, Right Rear, and Left Rear

C6

GRY/BLK

308

Park Lamps

C7-C8

--

--

Not Used

C9

YEL

10

Low Beam Output

C10

DK GRN/WHT

1317

Fog Lamps, Front

C11

--

--

Not Used

C12

WHT

93

Fuel Door Release

C13

LT GRN

147

Fused Output - Ign

C14

LT BLU

195

Door Lock

C15

ORN/BLK

434

Park Relay Enable

C16

WHT

352

Exterior Lamp Power

D1

BLK

1051

Ground

D2-D3

--

--

Not Used

D4

BLK

707

Retained Accessory Power Control

D5

LT GRN/BLK

592

DRL Relay Enable

D6

LT GRN

1391

Driver Door Unlock

D7

DK BLU

1393

Interior Lamps

D8

--

--

Not Used

D9

WHT

193

Rear Defog

D10

BLK/WHT

1969

High Beam Output

D11

--

--

Not Used

D12

YEL

1977

Fog Lamps, Rear (Export Eldorado)

D13

LT BLU

1344

Rear Compartment Release

D14

DK GRN

646

Backup Lamps Enable

D15

BLK

755

High Power Control

D16

--

--

Not Used

Inadvertent Power Relay


Object Number: 281201  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

1740

Fuse Output (Battery)

A2

PPL/WHT

65

Blower Motor Fuse

A2

PPL

65

Blower Motor Fuse

B1-B2

--

--

Not Used

C1

RED

542

Fuse Output (Battery)

C2

BRN

247

Blower Enable Relay Output (Coil)