TM 10-3930-675-20-20111 00-10ELECTRICAL GENERAL MAINTENANCE INSTRUCTIONS - CONTINUED0111 00MULTIMETER USAGE - CONTINUEDCAUTIONBefore performing a continuity test, always turn master battery switch to OFF position and disconnect cir-cuit 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-metalcontact with ground.(1)Zero multimeter.(2)Connect black probe (49) to one circuit and red probe (50) to either a ground or another circuit.(3)Read digital readout (42) 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.BLACKORANGEREDBLUETESTING FOR SHORTS424950
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