CAB SWITCH PANEL TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
TEST OR INSPECTION
CIGAR LIGHTER DOES NOT OPERATE.
Step 1. Check fuse number 15A.
If the fuse is blown--replace. Refer to paragraph 7-62.
Step 2. Check the cigar lighter.
If the cigar lighter is damaged or defective--replace. Refer to paragraph 7-43.
PANEL LAMP DOES NOT OPERATE.
Step 1. Check the filament.
If the filament is defective--replace. Refer to paragraph 7-39.
Step 2. Test the continuity of the panel lamp switch. Connect one lead of multimeter to the back of switch and
one lead to ground.
If the multimeter needle does not move, the circuit does not have continuity. Replace panel lamp switch.
Refer to paragraph 7-39.