TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 2. Electrical Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
21.Fuel Gage
Not
Working
Properly
-
4. Check for voltage. With the
If no voltage (24V) is found,
Continued.
fuel gage removed and the
check circuit breaker F7 and
ignition on, check for voltage
continuity of wires A211, A104,
(24V) at the + terminal of the
and 104 (WP 0048 00-37).
gage.
5. Check float and rod. Unplug
Replace damaged fuel level
the fuel sending unit and
sending unit (WP 0095 00).
remove it from the fuel tank
(WP 0095 00). Check the
float for damage, sticking, or
"waterlog." Check the rod for
damage and for float travel.
6. Check resistance of fuel level
a. If resistance is not as
sending unit; float at bottom =
specified, replace faulty fuel
110 Ohms, float in middle =
level sending unit (WP 0095
approx. 50 Ohms, and float at
00).
top = <1 Ohm.
b. If resistance checks good,
check continuity of wires
258, 259, A105, 105, and
ground wire A132D at the 37-
1 ground connection (WP
0048 00-37).
c. Repair or replace damaged
wires or connectors (WP
0113 00).
a. If gage does not react to float
7. Check for proper operation.
movement, replace faulty
With the fuel level sending
gage (WP 0073 00).
unit removed, reconnect the
b. If gage does react but does not
plug to the harness. Turn the
match with the float level, try
ignition on and move the float
adjusting
the
small
up and down. Observe the
adjustment screw on gage to
movement of the gage.
"empty" with the float at the
(Ensure the fuel sending unit
bottom. Retest float/gage
rod slides into the lower
reactions.
support when reinstalling
back into the tank.)
0007 00-53
