TEST OR INSPECTION
Disconnect main wire harness crew cab wire harness connector. With a test lead set,
check for continuity across main wire harness wire 1364 (white) from main wire harness
pump house power distribution wire harness connector DP1, terminals 8 and 10 to main
wire harness crew cab wire harness connector, terminals E and S.
If there is continuity across both wires 1364, repair wire 1364 in crew
cab wire harness if repairable (TM 9-2320-325-14&P), or replace crew
cab wire harness (WP 0446).
If there is no continuity across either wire 1364, repair wire 1364 in
main wire harness if repairable (TM 9-2320-325-14&P), or replace
main wire harness (WP 0455).