K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
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. Remove the left fender upper brace.
3. Remove the electrical center brace cover assemble by lifting the cover (3) outwards to clear the tabs.
4. Remove all fuses and relays.
5. Push on the tab (3) so that the electrical center can be rotated on the studs located at (2).
6. Remove all connectors by removing the bolt (1) for each connector.
