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TM 9-2320-391-10
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0069 00
ELECTRICAL SYSTEM Continued
Table 5. Electrical System Troubleshooting Procedures Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
136. LO IDLE/HI IDLE
Check to see if LO
1. Position PTO switch to off
SWITCH DOES
IDLE/HI IDLE switch
NOT OPERATE
does not operate.
2. Start engine (WP 0016 00).
3. Position LO IDLE/HI IDLE
switch to HI IDLE (WP 0004
4. Note if LO IDLE/HI IDLE switch
operates.
5. Shut down engine (WP 0016
6. If LO IDLE/HI IDLE switch
does not operate, notify Field
Maintenance.
137. 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.
0069 00-135
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