Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Transfer Case Control Connector End Views
2004 Oldsmobile Bravada RWDSECTION Transfer Case Control Connector End Views
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Propshaft Speed Sensor Connector End - Front
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YEL | 400 | Signal High - Front |
| B | PPL | 401 | Signal Low - Front |
Propshaft Speed Sensor Connector End - Rear
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU | 2221 | Signal High - Rear |
| B | DK GRN | 2222 | Signal Low - Rear |
Front Axle Actuator Connector End
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK/WHT | 1695 | Axle Switch Signal |
| B | LT BLU | 1296 | Axle Actuator - Control |
| C | BRN | 241 | Ignition 3 Voltage |
| E | BLK | 2150 | Ground |
Transfer Case Shift Control Module Connector End - C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| E1 | TAN | 1569 | Lock Solenoid Control |
| E2 | - | - | Not Used |
| E3 | PNK | 1561 | AWD Indicator Control |
| E4 | LT GRN/ BLK |
1563 | 2 'HI' Indicator - Control |
| E5 | BRN/WHT | 1555 | Channel P Encoder - Signal |
| E6 | RED/WHT | 1556 | Channel C Encoder - Signal |
| E7 | YEL/BLK | 1558 | Channel B Encoder - Signal |
| E8 | DK BLU/ WHT |
1557 | Channel A Encoder - Signal |
| E9 | DK GRN/ WHT |
1133 | ATC Class 2 Serial Data |
| E10 | BRN | 241 | Ignition 3 Voltage |
| E11 | - | - | Not Used |
| E12 | YEL | 400 | Signal High - Front |
| E13 | PPL | 401 | Signal Low - Front |
| E14 | BLK/WHT | 1695 | Axle Switch Signal |
| E15 | - | - | Not Used |
| E16 | BLK | 1850 | Ground |
| F1 | PPL/WHT | 1565 | 4 'LO' Indicator - Control |
| F2 | TAN/BLK | 1566 | 4 'HI' Indicator - Control |
| F3 | BRN | 1560 | Neutral Indicator Control |
| F4 | LT BLU | 1296 | Axle Actuator - Control |
| F5 | LT BLU | 2221 | Signal High - Rear |
| F6 | DK GRN | 2222 | Signal Low - Rear |
| F7 | GRY/BLK | 1694 | 4WD Low Signal |
| F8-F11 | - | - | Not Used |
| F12 | BLK/WHT | 1554 | Encoder Signal Ground |
| F13 | LT GRN/ BLK |
431 | 8 Volt Reference |
| F14 | LT GRN/ BLK |
431 | 8 Volt Reference |
| F15 | - | - | Not Used |
| F16 | LT BLU | 1693 | Switch Signal |
Transfer Case Shift Control Module Connector End - C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 1552 | Motor Control A |
| B | RED | 1553 | Motor Control B |
| C | BLK | 2150 | Ground |
| D | ORN | 1640 | Battery Positive Voltage |
Transfer Case Shift Control Switch Connector End - C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT GRN/ BLK |
431 | 8 Volt Reference |
| B | LT GRN/ BLK |
1563 | 2 'HI' Indicator - Control |
| C | PPL/WHT | 1565 | 4 'LO' Indicator - Control |
| D | TAN/BLK | 1566 | 4 'HI' Indicator - Control |
Transfer Case Shift Control Switch Connector End - C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 1850 | Ground |
| B | PNK | 1561 | AWD Indicator Control |
| C | BRN | 1560 | Neutral Indicator Control |
| D | - | - | Not Used |
| E | PPL/WHT | 1382 | LED Dimming Signal |
| F | GRY | 8 | Instrument Panel Supply Voltage - 1 |
| G | PNK | 39 | Ignition 1 Voltage |
| H | LT BLU | 1693 | Switch Signal |
Transfer Case Connector End - C1 (Encoder Motor)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK | 1552 | Motor Control A |
| B | RED | 1553 | Motor Control B |
| C | ORN | 1640 | Battery Positive Voltage |
| D | TAN | 1569 | Lock Solenoid Control |
Transfer Case Connector End - C2 (Encoder Motor)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BLK/WHT | 1554 | Encoder Signal Ground |
| B | DK BLU/ WHT |
1557 | Channel A Encoder - Signal |
| C | RED/WHT | 1556 | Channel C Encoder - Signal |
| D | YEL/BLK | 1558 | Channel B Encoder - Signal |
| E | LT GRN/ BLK |
431 | 8 Volt Reference |
| F | BRN/WHT | 1555 | Channel P Encoder - Signal |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.