8-4 BODY ELECTRICAL SYSTEM
CLEARANCE, TAIL AND LICENSE PLATE LIGHT
Condition
All lights do not light
up
Some lights do not
light up
BACK-UP LIGHT
Condition
Back-up lights do not
light up
Back-up lights stay on Back-up light switch faulty
BRAKE LIGHT
Condition
Brake lights do not
light up
Brake lights stay on
FRONT FOG LIGHT (IF EQUIPPED)
Condition
Only one light does
not light
Front fog lights do not
light
REAR FOG LIGHT (IF EQUIPPED)
Condition
Rear fog light does
not come on
Possible Cause
"TAlL" fuse blown
Combination switch (lighting and dimmer
switch) faulty
Wiring or grounding faulty
Bulb(s) blown
Wiring or grounding faulty
Possible Cause
Bulb(s) blown
"TURN/BACK" fuse blown
Back-up light switch faulty
Wiring or grounding faulty
Possible Cause
Bulb(s) blown
"STOP" fuse blown
Brake light (stop lamp) switch faulty
Wiring or grounding faulty
Brake light (stop lamp) switch faulty
Possible Cause
Bulb blown
Wiring or grounding faulty
"FOG" fuse blown
Front fog light switch faulty
Front fog light relay faulty
Wiring or grounding faulty
Possible Cause
"FOG" fuse blown
Rear fog light switch faulty
Lighting switch faulty
Wiring or grounding faulty
Bulb blown
Correction
Replace fuse to check for short.
Check switch.
Repair circuit.
Replace bulb(s).
Repair circuit.
Correction
Replace bulb(s).
Replace fuse to check for short.
Check switch.
Repair circuit.
Check or replace switch.
Correction
Replace bulb(s).
Replace fuse to check for short.
Check switch.
Repair circuit.
Check, adjust or replace switch.
Correction
Replace bulb.
Repair circuit.
Replace fuse to check for short.
Check switch.
Replace relay.
Repair circuit.
Correction
Replace fuse to check for short.
Check fog light switch.
Check switch.
Repair circuit.
Replace bulb.