2, the cause of the malfunction (1) two headlights use double wire bulb, the above phenomenon is generally a dim light caused by a bad light. (2) light dim light reflex device has a dust or oxidation. 3) the light dim a light connector loose or rust to increase the contact resistance. 3, fault diagnosis and exclusion with a wire, one end of the frame, the other end and the light dimming lights connected to the terminal, such as return to normal , That is to say that the light off the ground bad. Light bulb does not court, the light of the light bulb filament regardless of high light or near light, both at the same time issued a faint light.If the light bulb brightness is normal, not light bulbs bad Failure, usually the headlamp reflector has a dust or oxidation, can be eliminated by dust or replace the mirror to troubleshoot the lamp if the light bulb is weak, often connected to the lamp filament wiring Head loose or rust caused by excessive contact resistance can be quickly connected with the power to determine the fault location.
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