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Q: My wifes town & country has a problem with all her lights pulsating. on 2005 Chrysler Town & Country

All lights on the exterior and interior pulsate or flicker about 2 ~ 3 times per second for long periods. sometimes they dont do this until you use a turn signal or another item like heater fan. However, doesn't seem to affect the battery and there is no warning or charging light coming on. Do not know if this is an alternator problem, idler pulley or a short. Don't know exactly where to start without taking it to a dealer for the usual runaround.
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I'm not sure either but I do notice it also when I have on the heated seats. Let me know if you find out since I'm single and don't want to be taken for a ride.
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