Envoy 2WD V8-5.3L VIN M (2005)
Relay Box: Service and Repair
Underhood Electrical Center or Junction Block Replacement
UNDERHOOD ELECTRICAL CENTER OR JUNCTION BLOCK REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Press tabs (1) inward and lift to remove the junction block cover.
3. Pull upward on the fuse relay center cover (1) to release the retaining tabs and remove the cover.
4. Note the location and remove the harness end bolts (2) and remove the harness ends from the fuse relay center.
5. Remove the fuse relay center bolts (3) and remove the fuse relay center from the junction block bracket.
6. Pull downward on the wiring harness ends to remove from the bottom of the fuse relay center.
