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.
Stop crew cab air conditioner (WP 0008). Stop vehicle engine (TM 9-2320-347-10).
Turn battery disconnect switch to OFF position (WP 0007). Disconnect body condenser
wire harness crew cab air conditioner binary switch connector from crew cab air
conditioner binary switch. Start crew cab air conditioner (WP 0008). While an
assistant, puts crew cab air conditioner/heater control panel setting to 45ºF (7ºC)
(WP 0009), with a test lead set, check for 22 to 28 VDC at wire 4041 from body
condenser wire harness crew cab air conditioner binary switch connector to a known
If 22 to 28 VDC are not present, go to Step 17.