Yukon/Denali 2WD V8-4.8L VIN V (2005)
Relay Box: Service and Repair
Body Wiring Harness Junction Block Replacement
BODY WIRING HARNESS JUNCTION BLOCK REPLACEMENT
REMOVAL PROCEDURE
1. Remove the cover retaining nut.
2. Remove the cover by pushing in the tabs.
3. Remove the harness from the front of the junction block.
4. Remove the junction block from the bracket by pressing to release the tabs.
5. Remove the junction block in order to gain access to the rear of the block to remove the retaining bolts.
6. Remove the retaining bolts.
7. Separate the wire harness block from the junction block by inserting a screw driver in between.
8. Remove the junction block from the vehicle.
INSTALLATION PROCEDURE
1. Install the wire harness block to the junction block.
2. Install the retaining bolts.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the bolts to 6 N.m (53 lb in).
3. Install the junction block to the bracket.
4. Push on the top part until it clicks in place.
5. Connect the harness to the front of the junction block.
