TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
PROBLEM NO. 16 (CONT)
(Sheet 2 of 2)
NOTE A: After replacement, turn POWER switch to ON to ensure problem is solved.
ANSWER
STEP
REMARKS
QUESTION OR INSTRUCTION
YES
NO
1
Disconnect DK BL/W wire at engine oil level switch on oil pan.
5
2
Prevent wire terminal from touching ground. Does indicator
light remain ON?
Turn POWER switch to OFF. Remove engine oil level switch,
2
3
4
see page 2-315. Is float defective or incorrectly installed?
See page 2-315.
Install correctly or repair/replace float, install switch, connect
4
3
DK BL/W wire and turn POWER switch to ON. Does indicator
light remain ON?
See page 2-315.
4
Replace engine oil level switch. POWER switch OFF. NOTE A.
Test for short in DK BL/W wire from switch to indicator lamp
See page 2-66.
5
socket. See WIRE and HARNESS TESTING.
End
2-109
