TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
3.
ENGINE HIGH IDLE DOES NOT OPERATE (continued).
CONTINUITY TEST
CAUTION
Electrical power must be shut
off from circuit before conti-
nuity can be checked. Fail-
ure to comply with this cau-
tion may result in damage to
HIGH IDLE
WIRE
test equipment or electrical
NO. 840
SWITCH
system.
(1) Disconnect jumper wire no. 516.
(2) Set multimeter to ohms position.
NOTE
A reading of infinity indicates
an open circuit.
(3) Connect multimeter leads to wire
no. 840 at HIGH IDLE switch and
at 2-pin connector. Check
multimeter for continuity.
NOTE
Any reading besides infinity
WIRE NO. 840
indicates a grounded wire.
(4) Remove multimeter lead from
one end of wire and connect to
chassis ground.
WIRE NO. 516
2-PIN
JUMPER WIRE
CONNECTOR
NO. 516
4-55
