GM 20934634 Block Assembly, Instrument Panel Wiring Harness Junction

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Begin by disconnecting the battery's negative terminal cable in order to take out the fuse/relay box. Then, remove fuse/relay box cover and flip open protective cover on remote positive terminal. Loosen nut and remove battery-positive cables from stud. Unbolt two bolts holding up part of the fuse/relay box to junction blocks and disengage tabs through screwdriver along with perimeter of upper portion. Box top half can now be lifted off after which lower half will have a possibility of being removed removing junction blocks as well as wiring harnesses from it. Bolt should then be removed, and ground cable detached from inner fender panel; let go of tabs to separate bottom half from base-finally fasteners are removed and base is separated from inner fender panel Remove the fasteners that attach the base to the inner fender panel and then detach the base itself Finally, on how to install a fully functioning relay/fuse (box), follow exactly what was done when uninstalling it.

Lift off the top half of the box and remove the junction blocks and wiring harnesses from the lower half.