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TM 5-4210-233-14&P-1
Table 4-2.
Unit Troubleshooting-Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM-IGNITION CIRCUITS-Continued
2
IGNITION "ON" LIGHT DOES NOT ILLUMINATE
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 2 of 16.)
Step 1.
Check bulb.
Replace bulb.
Step 2.
Check ignition switch.
Replace switch (see para 4-94).
Step 3.
Check ignition solenoid for proper operation.
Replace solenoid.
Step 4.
Check for +12V at circuit breaker #9 on battery accessory buss.
Replace breaker (see para 4-99).
Step 5.
Refer to "+12 volts not present at battery accessory buss" troubleshooting procedures.
Step 6.
Check wiring for continuity.
Replace wire(s)(see para 4-9).
3
WARNING BUZZER DOES NOT SOUND WHEN IGNITION IS FIRST TURNED ON
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 3 of 16.)
Step 1.
Check buzzer.
Replace buzzer (see para 4-96).
Step 2.
Check ignition switch.
Replace ignition switch (see para 4-94).
Step 3.
Check for +12V at circuit breaker #4 on ignition buss.
Replace breaker (see para 4-99).
Step 4.
Check wiring for continuity.
Replace wire(s) (see para 4-9).
4-70
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