TEST OR INSPECTION
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Turn battery disconnect switch to OFF position (WP 0007). Remove cab instrument
panel C (WP 0311). Disconnect cab instrument panel wire harness pass flood switch
wire harness connector from PASS FLOOD switch. Disconnect wire 1147 (violet) from
passenger side extendable floodlight relay (WP 0373). Install jumperwire between wire
1147 (violet) and a known good ground. With a test lead set, check for continuity across
wire 1147 (violet) from PASS FLOOD switch wire harness connector, terminal 5 to a
known good ground.