TEST OR INSPECTION
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Turn battery disconnect switch to OFF position (WP 0007). Put mounting adapter CB1
switch to OFF position (TM 11-5280-890-10). Remove SINCGARS receiver transmitter
and mounting adapter from mounting base (WP 0384). With a test lead set, check for
continuity across SINCGARS radio power cable and mounting base from mounting
base J5 connector, terminal A and terminal B to a known good ground.
If there is no continuity at either terminal, go to Step 6.
Turn battery disconnect switch to ON position (WP 0007). With a test lead set, check
for 22 to 28 VDC between mounting base J5 connector, terminal B and a known good
If 22 to 28 VDC are present at mounting base J5 connector, notify