TEST 10 - Are 22 to 28 vdc measured on wire 1843 at chassis harness connector MC41, terminal 1?
Remove all jewelry such as rings, ID tags, bracelets, etc. prior to working on or around
vehicle. Jewelry and tools can catch on equipment, contact positive electrical circuits, and
cause a direct short, severe burns, or electrical shock. Failure to comply may result in injury
or death to personnel.
Disconnect chassis harness connector MC41 from heavy-duty winch control valve harness. (WP 0049)
Start engine (refer to TM 9-2320-279-10).
Set PTO ENGAGE switch to ON position. (WP 0015)
Connect positive (+) probe of multimeter to wire 1843 at chassis harness connector MC41, terminal 1. Refer to
5. Connect negative (-) probe of multimeter to a known good ground.
6. Multimeter should display a reading between 22 and 28 vdc. Note reading.