TM 9-2320-392-10-2
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0080 00
ELECTRICAL SYSTEM Continued
Table 3. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
165. LO IDLE/HI IDLE
Check to see if LO
1. Position PTO switch to off (WP
SWITCH DOES
IDLE/HI IDLE switch
0005 00).
NOT OPERATE
does not operate.
2. Start engine (WP 0018 00).
3. Position LO IDLE/HI IDLE switch
to HI IDLE (WP 0004 00).
4. Note if LO IDLE/HI IDLE switch
operates.
5. Shut down engine (WP 0018
00).
6. If LO IDLE/HI IDLE switch does
not operate, notify Field
Maintenance.
166. MASTER POWER
1. Is vehicle S/N 18,550
1. If vehicle is not S/N 18,550 or
SWITCH DOES
or higher?
higher, go to test 2 of this
NOT SHUT DOWN
malfunction.
ENGINE
2. If vehicle is S/N 18,550 or
higher, go to test 3 of this
malfunction.
2. Shut down engine by
1. Position master power switch
removing circuit
to off (WP 0004 00).
breaker CB42.
WARNING
Remove rings, bracelets, wristwatches, neck chains, and any other
jewelry before working around vehicle. Jewelry may catch on
equipment or may short across an electrical circuit or battery
terminal. Failure to comply may result serious injury or death to
personnel.
2. Remove Power Distribution
0080 00-135