TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
PROBLEM NO. 14 (CONT)
(Sheet 2 of 2)
NOTE A: After replacement, turn POWER switch to ON to ensure problem is solved.
ANSWER
STEP
YES
NO
QUESTION OR INSTRUCTION
REMARKS
Disconnect O/BK wire at upper fuel level switch on fuel tank.
1
5
2
Prevent wire terminal from touching ground. Does indicator
light remain ON?
Turn POWER switch to OFF. Remove fuel level switch, (see
2
3
4
page 2-315 ). Is
float defective or
incorrectly installed?
Install correctly or repair/replace float, install switch, connect
3
4
O/B 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 O/BK wire from switch to indicator lamp
5
socket. See WIRE and HARNESS TESTING.
End
2-105