7 - 31
7 Electrical System Service
Troubleshooting Charts
Loose, broken, or dirty
connectors or wiring.
Refer to A. Check/Clean
Wires and Connectors.
Replace/repair damaged
wires or connectors.
Component Tests OK
Component
Fails Test
Malfunctioning fuel gauge. Refer to V. Fuel Level
Signal Test.
Repair wiring or
instrument panel.
Component Tests OK
Component
Fails Test
Incorrect Fuel Level Indication: (All Models)
Loose, broken, or dirty
ground connection.
Refer to B. Check/Clean
Ground Cable.
Replace/repair damaged
ground connection.
Component Tests OK
Component
Fails Test
Malfunctioning fuel level
sensor.
Refer to W. Fuel Level
Sensor Test.
Repair or replace fuel
level sensor.
Done
Component
Fails Test
Loose, broken, or dirty
connectors or wiring.
Refer to A. Check/Clean
Wires and Connectors.
Replace/repair damaged
wires or connectors.
Component Tests OK
Component
Fails Test
Battery connections dirty,
loose, or worn battery.
Refer to C. Battery Tests. Replace/repair battery
cables or replace battery.
Component Tests OK
Component
Fails Test
Dead battery. Refer to C. Battery Tests. Charge or replace
battery.
Component Tests OK
Component
Fails Test
Circuit breaker malfunction. Refer to P. Circuit Breaker
Test.
Replace circuit breaker.
Done
Component
Fails Test
Headlights or Tail Lights don't operate: (All Models)
Loose, broken, or dirty
ground connection
Refer to B. Check/Clean
Ground Cable.
Replace/repair damaged
ground connection.
Component Tests OK
Component
Fails Test
Burned-out bulb.
Refer to Headlight or Tail
Light Replacement in this
section.
Replace burned-out bulb.
Component Tests OK
Component
Fails Test