GM Service Manual Online
For 1990-2009 cars only

Transfer Case Shift Control Module Connector C1


Object Number: 73221  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

E1-E8

--

--

Not Used

E9

DK GRN/ WHT

1133

Class II Serial Data Signal

E10

BRN

241

Fuse Output - Ignition 3 - Type III Fuse

E11

--

--

Not Used

E12

YEL

400

Vehicle Speed Sensor Signal

E13

PPL

401

Vehicle Speed Sensor Return

E14-E15

--

--

Not Used

E16

BLK/WHT

451

Engine Control Module Ground

F1-F4

--

--

Not Used

F5

LT BLU

2221

Vehicle Speed Sensor Signal

F6

DK GRN

2222

Rear Speed Sensor Return

F7-F16

--

--

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

Transfer Case Motor Feed - Clockwise

B

RED

1553

Transfer Case Motor Feed - Counterclockwise

C

BLK

1050

Ground

D

ORN

1640

Fuse Output - Battery - Type III Fuse

Transfer Case Encoder Motor Connector


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

Transfer Case Motor Feed - Clockwise

B

RED

1553

Transfer Case Motor Feed - Counrtclockwise

Front Transfer Case Speed Sensor Connector


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

Vehicle Speed Sensor Signal

B

PPL

401

Vehicle Speed Sensor Return

RearTransfer Case Speed Sensor Connector


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

Vehicle Speed Sensor Signal

B

DK GRN

2222

Vehicle Speed Sensor Return