K 1500 Yukon XL 4WD V8-8.1L VIN G (2001)
Wiring Harness: Service and Repair
Wiring Harness Replacement
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Tools Required
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J 44257 Wiring Harness Connector Remover
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J 44247 Internal Wiring Harness Installer
Removal Procedure
1. Remove the oil pan and suction filter.
Caution: Refer to Battery Disconnect Caution in Service Precautions.
2. Disconnect the external wiring harness from the main transmission connector. Use J 44257, if connector is not easily accessible.
Important: The main transmission connector is actually one end of the internal wiring harness that protrudes through the main housing.
3. Place a 30 mm or 1 3/16 inch 12-point deep socket or box-end wrench (2) over the main transmission connector (1).
4. Push inward on the socket or wrench to release the retaining "feet" that attach the connector (1) to the main housing.
5. Remove the wrench. Push inward on the electrical connector to separate it from the main housing.
6. Disconnect the internal wiring harness connectors (1) from solenoids A through F and from the pressure switch assembly.
