TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
(Sheet 2 of 2)
PROBLEM NO. 18 (CONT)
Switch
Location
NOTE C: IMPLEMENT
Top of hydraulic tank.
TRANS
Filter housing at service center behind cab.
AIR
Air filter elbow at service center behind cab.
PILOT (BRAKE)
Filter housing at service center behind cab.
ANSWER
STEP
YES
NO
QUESTION OR INSTRUCTION
REMARKS
POWER switch ON
1
Disconnect wire (NOTE A, Sheet 1) at switch for indicator that
For switch locations, see NOTE C above. Go to step 2.
remains ON. Prevent wire terminal from touching ground.
2
Does indicator light remain ON?
4
3
--
--
3
Replace switch. POWER switch OFF. NOTE D.
4
Test for short in wire (NOTE A, Sheet 1) from switch to indi-
cater socket. See WIRE and HARNESS TESTING.
NOTE D: After replacement, turn POWER switch to ON to ensure problem is solved.
End