TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
8.
OIL TEMPERATURE LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
CONTINUITY TEST
CAUTION
Electrical power must be shut off
from circuit before continuity can
be checked. Failure to comply
with this caution may result in dam-
age to test equipment or electrical
system.
(1) Set multimeter to ohms position.
NOTE
WIRING REMOVED FOR CLARITY
A reading of infinity indicates an
open circuit.
(2) Connect multimeter to terminals at
MAIN JUNCTION
each end of wire, and check multi-
BOX CONNECTOR
meter for continuity. Check between
(J4)
main junction box connector (J4),
position N, and terminal strip,
position 2. Also check between main
junction box connector (J4), position
P, and terminal strip, position 1.
NOTE
Any reading besides infinity indi-
cates a grounded wire.
(3) Remove multimeter lead from one end
of wire and connect to chassis
ground.
4-143
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