TM 9-2320-363-20-1
Table 3-1. Troubleshooting (Cont)
Malfunction
Test or inspection
Corrective action
ELECTRICAL SYSTEM (CONT)
Instrument Wiring Circuits (Cont)
Step 2.
Disconnect ground lead from fuel level gage. Check for continuity between
ground lead and ground.
If continuity is present, go to step 3. If no continuity is
indicated, repair ground lead (page 3-2).
Step 3.
Disconnect lead 47 from fuel level gage. Check for +8 to +12 VDC at fuel
level gage.
If +8 to +12 VDC is present, go to step 4. If no voltage is
present, replace fuel level gage (pages 4-174, 4-176).
Step 4.
Disconnect lead 47 from fuel level sensor. Check for +8 to +12 VDC at
lead 47.
If +8 to +12 VDC is present, replace fuel level gage sensor
(page 4-244). If no voltage is present, repair lead 47 (page 3-2).
6. TRANSFER CASE OIL TEMPERATURE GAGE DOES NOT OPERATE (ALL EXCEPT M915A2).
Step 1.
Disconnect lead 81C from transfer case oil temperature gage. Check for
+12 VDC at lead 81C.
If +12 VDC is present, go to step 2. If no voltage is present,
repair lead 81C (page 3-2).
Step 2.
Disconnect ground lead from transfer case oil temperature gage. Check for
continuity between ground lead and ground.
If continuity is indicated, go to step 3. If no continuity is
indicated, repair ground lead (page 3-2).
Step 3.
Disconnect lead 31 from transfer case oil temperature gage. Check for +8 to
+12 VDC at transfer case oil temperature gage.
If +8 to +12 VDC is present, go to step 4. If no voltage
is present, replace transfer case oil temperature gage
(pages 4-174, 4-176).
Step 4.
Disconnect lead 31 from transfer case oil temperature gage sensor. Check
for +8 to +12 VDC at lead 31.
If +8 to +12 VDC is present, replace transfer case oil
temperature gage sensor (notify direct support maintenance). If
no voltage is present, repair lead 31 (page 3-2).
Change 3 3-65
