DRAFT
TM 5-4210-249-13&P-2
0137
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT04636
WARNING
ICON 3
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.
Step 12.
Stop water pump engine (WP 0022). Turn battery disconnect switch to OFF
position (WP 0007). Remove passenger side crew cab access panel (WP 0499).
Remove pump house panel O (WP 0540). Start water pump engine (WP 0022). Check
for 22 to 28 VDC at wire 4075 (red) from water pump engine oil pressure switch to a
known good ground.
If 22 to 28 VDC are not present, replace water pump engine oil pressure
switch (WP 0246).
Step 13.
Start water pump engine (WP 0022). Check for 22 to 28 VDC at wire 2670 from water
pump engine oil pressure switch to a known good ground.
If 22 to 28 VDC are present, replace water pump engine oil pressure
switch (WP 0246).
0137-8