TM 9-2320-289-20
Table 2-4. Electrical Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Remove low coolant module (located near fuse box).
If light goes out, replace low coolant module.
If light does not go out, trace circuit. (See wiring diagram F-4 or F-6)
27. FOUR-WHEEL DRIVE LIGHT INOPERATIVE (TRANSFER CASE IN FOUR-WHEEL DRIVE)
Step 1.
Check 20 amp ignition fuse.
Replace fuse if burned out.
Step 2.
Turn key to RUN position. Disconnect lead from four-wheel drive switch on
transfer case and touch lead to any ground.
If four-wheel drive light turns on, replace switch.
If four-wheel drive light does not turn on, replace bulb. (See paragraph 4-7) If
light still does not turn on, trace circuit. (See wiring diagram F-4 or F-6)
28. FOUR-WHEEL DRIVE LIGHT TURNS ON (TRANSFER CASE NOT IN FOUR-WHEEL DRIVE)
Step 1.
Turn key to RUN position. Disconnect lead from four-wheel drive switch on
transfer case.
If four-wheel
If four-wheel
F-6)
29. FUEL GAGE INACCURATE
drive light goes out,
drive light stays on,
Step 1.
Check 20 amp ignition fuse.
Replace if burned out.
CAUTION
replace switch.
trace circuit. (See wiring diagram F-4 or
DO NOT leave key
follow this caution
in RUN position for more than 2 minutes. Failure to
may result in damage to glow plugs.
Step 2.
Disconnect fuel tank sending unit ground from frame. Turn key to RUN position.
If fuel gage reads F (Full), perform step 3.
If fuel gage does not read F (Full), replace fuel gage. (See paragraph 4-7)
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