Rick's Free Auto Repair Advice

Posts Tagged: headlights flicker

Headlights flashing

Why are my headlights flashing  on Dodge Durango In the old days the headlight switch actually switched power to the headlights. Then car makers used the headlight switch to switch power to headlight relays and the relays actually switch power to the headlights. Well, kiss those days goodbye too. Chrysler now uses a Central Timer Module (CTM) to do some of that work. The headlight switch in Dodge Durango is just used to signal the CTM which lights the driver wants to control. The multifunction headlight switch communicates with the … Read More

Headlights flicker

Fix a headlights flicker condition on Buick Rendezvous, Terrazas, Pontiac Aztek, Montana, Chevrolet Uplander 2005-07 Buick Rendezvous and Terrazas, Pontiac Aztek and Montana, Chevrolet Uplander vehicles may exhibit a headlights flicker condition and interior lights flickering issue. The problem usually shows up at idle and is due to alternator fluctuations. You may not have to replace the entire alternator however. GM has identified a fault in the voltage regulator. Install an updated regulator #25854910 to solve the problem.   © 2012 Rick Muscoplat Save


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