TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
(Sheet 2 of 3)
PROBLEM NO. 19 (CONT)
NOTE I: DO NOT allow wire temindto touch ground(machine frame, etc.).
NOTE 2: START engine after replacement/repair to ensure problem is solved and reconnect PR/Y wire at warning horn relay if disconnected.
ANSWER
REMARKS
YES
NO
STEP
QUESTION OR INSTRUCTION
Gain access to left rear and right front of engine. If the horn is
blowing go to Step 1; if not, go to Step 2.
This will deactivate horn.
Disconnect PR/Y wire from warning horn relay (8, page 2-70)
1
CAUTION
2
Make sure PARKING brake is engaged and
transmission selector is in NEUTRAL.
Disconnect GY/BK wire at coolant flow switch. (NOTE 1)
3
4
START engine. Did NO COOLANT FLOW indicator light
go off?
--
--
See page 2-315.
Turn POWER switch to OFF. Replace coolant flow switch.
3
TA 098616
NOTE 2.
Go on to Sheet 3
2-115
