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TM 10-3930-669-20
CONTINUITY TEST
(1)
Remove horn contact plate
(Para 7-45).
(2)
Set multimeter select switch to OHMS.
(3)
Depress horn button.
(4)
Check continuity between tang and
cancel ring on button.
(a)
If there is no continuity, replace
horn contact plate.
(b)
If there is continuity, repair wire 21
(see schematic Appendix F).
(5)
Install horn button.
2-211
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