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 TM 9-2320-312-24-1
ELECTRICAL GENERAL MAINTENANCE INSTRUCTIONS - CONTINUED
0120 00
MULTIMETER USAGE - CONTINUED
CAUTION
Before performing a continuity test, always turn battery disconnect switch to OFF position and disconnect
circuit to be tested. Failure to follow this caution may damage multimeter.
c.
Testing for Shorts. A short (or short circuit) occurs when two circuits that should not be connected have metal-to-
metal contact with each other. A short also occurs when a circuit that should not touch ground has metal-to-metal
contact with ground.
RED
BLACK
ORANGE
BLUE
TESTING FOR SHORTS
(1)
Zero multimeter.
(2)
Connect black probe (24) to one circuit and red probe (25) to either a ground or another circuit.
(3)
Read digital readout (20) and interpret results as follows:
(a) If digital readout indicates 0 (zero), circuits are shorted or circuit is grounded if testing to ground.
(b) If digital readout does not indicate 0 (zero), circuits are not shorted.
(c) If digital readout jumps or flickers, circuits are shorted or grounded intermittently.
20
25
24
0120 00-6
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