1. Remove circuit 25/25A plug (1) from horn switch
jack (2).
2. Measure resistance between horn switch jack (2)
pins with horn switch depressed.
3. Does multimeter read 0 ohms?
1. Install right headlight wir-
ing harness plug to front
main harness jack at fire
wall.
2. Install horn ground lead
plug to horn jack.
3. Install right headlight wir-
ing harness circuit 25 plug
onto horn jack.
4. Replace horn switch
(page 11-24).
5. Verify no faults found.
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TM 9-2350-261-20-1