GM Service Manual Online
For 1990-2009 cars only
Table 1: Transfer Case Shift Control Module Connector C1
Table 2: Transfer Case Shift Control Module Connector C2
Table 3: Transfer Case Encoder Motor
Table 4: Propshaft Speed Sensor - Front
Table 5: Propshaft Speed Sensor - Rear

Transfer Case Shift Control Module Connector C1


Object Number: 581541  Size: CH

Connector Part Information

    • 12052107
    • 32 Way F Micro Pack Series (ORN)

Pin

Wire Color

Circuit No.

Function

C1-C8

--

--

Not Used

C9

DK GRN/ WHT

1133

ATC Class 2 Serial Data

C10

BRN

241

Ignition 3 Voltage

C11

--

--

Not Used

C12

YEL

400

Signal High Front

C13

PPL

401

Signal Low Front

C14-C15

--

--

Not Used

C16

BLK/WHT

451

Ground

D1-D4

--

--

Not Used

D5

LT BLU

2221

Signal High Rear

D6

DK GRN

2222

Signal Low Rear

D7-D16

--

--

Not Used

Transfer Case Shift Control Module Connector C2


Object Number: 62450  Size: CH

Connector Part Information

    • 12052856
    • 4 Way F Metri Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1552

Motor Control A

B

RED

1553

Motor Control B

C

BLK

1050

Ground

D

ORN

1640

Battery Positive Voltage

Transfer Case Encoder Motor


Object Number: 258847  Size: CH

Connector Part Information

    • 12077900
    • 2 Way F Metri Pack 280 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1552

Motor Control A

B

RED

1553

Motor Control B

Propshaft Speed Sensor - Front


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

400

Signal High Front

B

PPL

401

Signal Low Front

Propshaft Speed Sensor - Rear


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri Pack 150.2 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

2221

Signal High Rear

B

DK GRN

2222

Signal Low Rear