|
| |
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
12
ENGINE COMPARTMENT LIGHTS DO NOT ILLUMINATE
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 3 of 16.)
Step 1.
Check bulb.
Replace bulb (see para 4-9.4).
Step 2.
Check switch at fixture.
Replace switch (see para 4-9.4).
Step 3.
Check for +12V at circuit breaker #12 on battery accessory buss.
Replace breaker (see para 4-99).
Step 4.
Check wiring for continuity.
Replace wire (see para 4-9.4).
13
CAB OR CREW CAB DOME LIGHTS DO NOT ILLUMINATE
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 1 of 16.)
Step 1.
Check bulb.
Replace bulb (see para 4-9.4 and 4-97).
Step 2.
Check switch at fixture.
Replace switch (see para 4-9.4 and 4-97).
Step 3.
Check door switch (step light may also fail to come on when door is opened).
Replace door switch (see para 4-9.4).
Step 4.
Check for +12V at circuit breaker #10 on battery accessory buss.
Replace breaker (see para 4-99).
Step 5.
Check wiring for continuity.
Replace wire (see para 4-9.4).
4-83
|
