GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Envoy - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Transfer Case Control Connector End Views
Connector 1: Propshaft Speed Sensor - Front
Connector 2: Propshaft Speed Sensor - Rear
Connector 3: Transfer Case Encoder Motor
Connector 4: Transfer Case Shift Control Module C1
Connector 5: Transfer Case Shift Control Module C2
Connector 6: Transfer Case Shift Control Module C3

Propshaft Speed Sensor - Front


Object Number: 1538760 Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Propshaft Speed Sensor - Front

Pin

Wire Color

Circuit No.

Function

A

YE

400

Signal High - Front

B

PU

401

Signal Low - Front

Propshaft Speed Sensor - Rear


Object Number: 1538760 Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Propshaft Speed Sensor - Rear

Pin

Wire Color

Circuit No.

Function

A

L-BU

2221

Signal High - Rear

B

D-GN

2222

Signal Low - Rear

Transfer Case Encoder Motor


Object Number: 646412 Size: CH

Connector Part Information

  • OEM: 15326642
  • Service: 15306395
  • Description: 5-Way F GT 280 Series Sealed (BK)

Terminal Part Information

  • Pins: A-C
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: D-E
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Transfer Case Encoder Motor

Pin

Wire Color

Circuit No.

Function

A

GY

605

5-Volt Reference

B

BN/WH

1555

Encoder Signal

C

BK/WH

1554

Encoder Low Reference

D

BK

1552

Motor Control A

E

RD

1553

Motor Control B

Transfer Case Shift Control Module C1


Object Number: 744295 Size: CH

Connector Part Information

  • OEM: 12084944
  • Service: 12084944
  • Description: 16-Way F Micro-Pack 100 Series Unsealed (BK)

Terminal Part Information

  • Pins: A1, A7, B6, B8
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Transfer Case Shift Control Module C1

Pin

Wire Color

Circuit No.

Function

A1

D-GN/WH

1133

Class 2 Serial Data

A2-A6

--

--

Not Used

A7

BK/WH

1554

Encoder Low Reference

A8

--

--

Not Used

B1-B5

--

--

Not Used

B6

BN/WH

1555

Encoder Signal

B7

--

--

Not Used

B8

BK/WH

751

Ground

Transfer Case Shift Control Module C2


Object Number: 73152 Size: CH

Connector Part Information

  • OEM: 12084945
  • Service: 12084945
  • Description: 16-Way F Micro-Pack 100 Series Unsealed (GY)

Terminal Part Information

  • Pins: A1-A2, A8, B1-B2
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Transfer Case Shift Control Module C2

Pin

Wire Color

Circuit No.

Function

A1

PU

401

Signal Low - Front

A2

YE

400

Signal High - Front

A3-A7

--

--

Not Used

A8

GY

605

5-Volt Reference

B1

L-BU

2221

Signal High - Rear

B2

D-GN

2222

Signal Low - Rear

B3-B8

--

--

Not Used

Transfer Case Shift Control Module C3


Object Number: 62450 Size: CH

Connector Part Information

  • OEM: 12052856
  • Service: 12125636
  • Description: 4-Way F Metri-Pack 280 Series Unsealed (BK)

Terminal Part Information

  • Terminal/Tray: 12015858/4
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Transfer Case Shift Control Module C3

Pin

Wire Color

Circuit No.

Function

A

BK

850

Ground

B

OG

1640

Battery Positive Voltage

C

BK

1552

Motor Control A

D

RD

1553

Motor Control B