TM 9-2350-261-20-11. Measure resistance between plug 450 A (rear bilgepump) (1) to 450 A lead end at bus bar (2) orplug 450 C (front bilge pump) (3) to 450 C leadend at bus bar (4).2. Does multimeter read 0 ohms?YES1. Remove instrument panel for access. See task:remove instrument panel mounts and ground lead(page 11-2).2. Remove plug 450 B (1) and plug 452 A (2) (frontbilge pump) or plug 450 (3) and 451 A (4) (rearbilge pump) from bilge pump switch (5).3. Measure resistance between bilge pump switchjacks with bilge pump switch on.4. Does multimeter read 0 ohms? Y E S1. Repair rear main harness circuit 450 or 451A, orfront main harness circuit 450B or 452A(page 14-3).2. Install master switch panel on distribution box.3. Verify no faults found.(page 14-3). -2. Verify no faults found.1. Install master switch panelon distribution box.2. Replace bilge pump switch(page 11-7).3. Verify no faults found.1. Replace circuit 450A (rear b i l g e p u m p ) o r c i r c u i t 4 5 0 C ( f r o n t b i l g e p u m p ) l e a d 3 - 2 0 4
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