Headlamp: Testing and Inspection
Headlamp Diagnostic Chart (Part 1 Of 3):
Headlamp Diagnostic Chart (Part 2 Of 3):
Headlamp Diagnostic Chart (Part 3 Of 3):
Headlamp And Quad Headlamp Diagnosis
A good ground is necessary for proper lighting operation. Grounding is provided by the lamp socket when it comes in contact with the metal body, or through a separate ground wire.
Always begin any diagnosis by testing all of the fuses and circuit breakers in the system.
For addtional testing please refer to Powertrain Management/Computers and Controls/Body Control Module/Testing and Inspection/ Testing and Inspection