TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
(Sheet 2 of 2)
PROBLEM NO. 17 (CONT)
NOTE A: After replacement, turn POWER switch to ON to ensure problem is solved.
ANSWER
YES
NO
REMARKS
STEP
QUESTION OR INSTRUCTION
Disconnect PR/W wire at low fuel level switch on fuel tank.
Switch is at lower side of tank.
1
5
2
Prevent wire terminal from touching ground. Does indicator
light remain ON?
Turn POWER switch to OFF. Remove low fuel level switch,
4
2
3
see page 2-315. Is float defective or incorrectly installed?
Install correctly or repair/replace float, install switch, connect
4
3
PR/W wire and turn POWER switch to ON. Does indicator light
remain ON?
Replace fuel level switch, POWER switch OFF. NOTE A.
4
--
--
Test for short in PR/W wire from switch to indicator lamp
5
socket. See WIRE and HARNESS TESTING.
End
2-111