|
| |
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
16
REAR SCENE LIGHTS DO NOT ILLUMINATE WITH CAB SWITCH
(Refer to Electrical Wiring Diagrams, Appendix H, Sheets 3 and 8 of 16.)
Step 1.
Check bulb.
Replace bulb (see para 4-66).
Step 2.
Check cab switch.
Replace switch (see para 4-94).
Step 3.
Check for +12V at circuit breaker #6 on battery accessory buss.
Replace breaker (see para 4-99).
Step 4.
Check wiring for continuity.
Replace wire (see para 4-9.4).
17
CREW CAB EXHAUST FANS DO NOT OPERATE
(Refer to Electrical Wiring Diagrams, Appendix H, Sheet 1 of 16.)
Step 1.
Check motor.
Replace motor (see para 4-89).
Step 2.
Check switch.
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).
4-85
|
