Table 4-2. Unit Troubleshooting-continued -706880215

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

Table 4-2.

Unit Troubleshooting-Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL SYSTEM-CAB CONTROLS AND INDICATORS-Continued

COMPARTMENT LIGHTS DO NOT ILLUMINATE

(Refer to Electrical Wiring Diagrams, Appendix H, Sheets 1 5 and 8 of 16.)

Step 1. Check bulb.

Replace bulb (see para 4-13).

Step 2. Check switch at fixture.

Replace switch (see para 4-13).

Step 3. Check for +12V at circuit breaker #5 on battery accessory buss.

Replace breaker (see para 4-99).

Step 4. Check wiring for continuity.

Replace wire (see para 4-9.4).

COMPARTMENT OPEN WARNING LIGHT DOES NOT ILLUMINATE OR FLASH

(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 2 of 16.)

Step 1. Check bulb.

Replace bulb (see para 4-9.4).

Step 2. Check flasher unit for proper operation.

Replace flasher (see para 4-9.4).

Step 3. Check compartment light relay for proper operation.

Replace relay (see para 4-9.4).

Step 4. Check door switch(es).

Replace switch (see para 4-9.4).

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