GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Sonoma Pickup - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 236 (Two Speed Automatic) 🢒 Transfer Case Control Connector End Views
Table 1: Transfer Case Shift Control Module Connector C1
Table 2: Transfer Case Shift Control Module Connector C2
Table 3: Transfer Case Shift Control Switch Connector C1
Table 4: Transfer Case Shift Control Switch Connector C2
Table 5: Transfer Case Encoder Motor Connector C1
Table 6: Transfer Case Encoder Motor Connector C2
Table 7: Front Drive Axle Clutch Solenoid Connector
Table 8: Four Wheel Drive Indicator Switch Connector
Table 9: Front Transfer Case Speed Sensor Connector
Table 10: Rear Transfer Case Speed Sensor Connector

Transfer Case Shift Control Module Connector C1


Object Number: 73221 Size: CH

Connector Part Information
    • 12052107
    • 32 Way F Micro-Pack 100 Series (ORN)

Pin

Wire Color

Circuit No.

Function

E1

TAN

1569

Transfer Case Lock Solenoid Output

E2

--

--

Not Used

E3

PNK

1561

AWD Indicator Control

E4

LT GRN/BLK

1563

2 HI Indicator Lamp Output

E5

BRN/WHT

1555

Transfer Case Position Switch Encoder Signal - Channel P

E6

RED/WHT

1556

Transfer Case Position Switch Encoder Signal - Channel C

E7

YEL/BLK

1558

Transfer Case Position Switch Encoder Signal - Channel B

E8

DK BLU/WHT

1557

Transfer Case Position Switch Encoder Signal - Channel A

E9

DK GRN/WHT

1133

Serial Data Signal - Class B - 10400 Baud - Diagnostic to ATC

E10

BRN

241

Fuse Output - Ignition 3

E11

PPL

806

Fuse Output - Crank

E12

YEL

400

Front Speed Sensor (FSS) Hi

E13

PPL

401

Front Speed Sensor (FSS) Lo

E14

BLK/WHT

1695

Four Wheel Drive Front Wheel Lock Telltale Feed

E15

--

--

Not Used

E16

BLK/WHT

451

Ground

F1

PPL/WHT

1565

4 LO Indicator Lamp Output

F2

TAN/BLK

1566

4 HI Indicator Lamp Output

F3

BRN

1560

Neutral Indicator Lamp Output

F4

GRY/BLK

1570

Front Drive Axle Clutch Solenoid Output

F5

LT BLU

2221

Rear Speed Sensor (RSS) Lo

F6

DK GRN

2222

Rear Speed Sensor (RSS) Hi

F7

GRY/BLK

1694

4WD Low Indicator Signal

F8 - F11

--

--

Not Used

F12

BLK/WHT

1554

Transfer Case Encoder Signal Return

F13

LT GRN/BLK

431

Reference Voltage Feed - 8 Volt Reference

F14

LT GRN/BLK

431

Reference Voltage Feed - 8 Volt Reference

F15

--

--

Not Used

F16

LT BLU

1693

Four Wheel Drive Switch Selection Signal

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 Control A

B

RED

1553

Transfer Case Motor Control B

C

BLK

1050

Ground

D

ORG

1640

Fuse Output - Battery

Transfer Case Shift Control Switch Connector C1


Object Number: 62463 Size: CH

Connector Part Information
    • 12064766
    • 8 Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

431

Reference Voltage Feed - 8 Volt Reference

B

LT BLU

1693

Four Wheel Drive Switch Selection Signal

C

PPL/WHT

1565

4 LO Indicator Lamp Output

D

TAN/BLK

1566

4 HI Indicator Lamp Output

E

LT GRN/BLK

1563

2 HI Indicator Lamp Signal

F

PNK

1561

AWD/4WD Indicator Lamp Signal

G

BLK

1050

Ground

H

GRY

1220

Fuse Output - IP Lamps

Transfer Case Shift Control Switch Connector C2


Object Number: 130635 Size: CH

Connector Part Information
    • 12045813
    • 4 Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PPL/WHT

1382

LED Dimming Signal

C

BRN

241

Fuse Output - Ignition 3

D

BRN

1560

Neutral Indicator Lamp Output

Transfer Case Encoder Motor Connector C1


Object Number: 365977 Size: CH

Connector Part Information
    • 12191399
    • 4 Way F Metri-Pack 280 Series, Flexlock, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1552

Transfer Case Motor Control A

B

RED

1553

Transfer Case Motor Control B

C

ORN

1640

Fuse Output - Battery

D

TAN

1569

Transfer Case Lock Solenoid Output

Transfer Case Encoder Motor Connector C2


Object Number: 62449 Size: CH

Connector Part Information
    • 12052848
    • 6 Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1554

Transfer Case Encoder Signal Return

B

DK BLU/WHT

1557

Transfer Case Position Switch Encoder Signal - Channel A

C

RED/WHT

1556

Transfer Case Position Switch Encoder Signal - Channel C

D

YEL/BLK

1558

Transfer Case Position Switch Encoder Signal - Channel B

E

LT GRN/BLK

431

Reference Voltage Feed - 8 Volt Reference

F

BRN/WHT

1555

Transfer Case Position Switch Encoder Signal - Channel P

Front Drive Axle Clutch Solenoid Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2 Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Fuse Output - Ignition 3

B

GRY/BLK

1570

Front Drive Axle Clutch Solenoid Output

Four Wheel Drive Indicator Switch Connector


Object Number: 38552 Size: CH

Connector Part Information
    • 12103584
    • 2 Way F Weather Pack Connector (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Fuse Output - Ignition 3

B

BLK/WHT

1695

Four Wheel Drive Front Wheel Lock Telltale Feed

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

Front Speed Sensor (FSS) Hi

B

PPL

401

Front Speed Sensor (FSS) Lo

Rear 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

LT BLU

2221

Rear Speed Sensor (RSS) Lo

B

DK GRN

2222

Rear Speed Sensor (RSS) Hi