Table 1. Indicator, Gauges, and Warning System Troubleshooting - continued

TM 9-2320-361-24-1

0014 00

INDICATORS, GAUGES, AND WARNING SYSTEM TROUBLESHOOTING (Contd)

Table 1. Indicator, Gauges, and Warning System Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test 4. Test continuity of lead 28.

3. FUEL GAUGE

1. Turn power accessory switch

INOPERATIVE

to OFF position.

(Contd)

2. Disconnect lead 28 from fuel

gauge and from fuel level

sending unit.

3. Connect jumper wire from

fuel level sending unit end of

lead 28 to frame ground.

4. Set multimeter to RX 1 scale.

5. Connect negative lead of

1. If continuity is present, reconnect

multimeter to frame ground

lead 28 and recheck fuel gauge

and touch positive lead of

operation.

multimeter to contact of

2. If continuity is not present, repair

or replace wiring (WP 0090 00).

lead 28.

Test 5. Test continuity of fuel level

sending unit.

1. Set multimeter to RX 1 scale.

2. Connect multimeter leads to

fuel sending unit.

1. If resistance is 0.000.50 ohms, go

3. Position float in empty

to step 4.

position.

2. If resistance is not 0.000.50 ohms,

4. Set multimeter to RX 10 scale.

replace fuel sending unit

(WP 0109 00).

1. If resistance is 29.5031.50 ohms,

5. Position float in full position.

reinstall fuel level sending unit

(WP 0109 00) and recheck gauge

operation.

2. If resistance is not 29.5031.50 ohms,

replace fuel level sending unit.

(WP 0109 00).

FUEL LEVEL

SENDING UNIT

TEST 1

TEST 5

STEP 3

STEPS 3

AND 5

FUEL

GAUGE

TEST 4

STEP 5

0014 00-7