Table 4-2. Unit Troubleshooting-continued -706880199

TM 5-4210-233-14&P-1

Table 4-2.

Unit Troubleshooting-Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL SYSTEM-IGNITION CIRCUITS-Continued

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).

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).

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