Want to know why my batter light comes on after I turn on the defroster headlights and heater all all the same time

Asked by GuruB52PX Dec 12, 2018 at 11:24 AM about the 2002 Chrysler PT Cruiser Touring Wagon FWD

Question type: Maintenance & Repair

Needing to know why my batter light keeps coming on after I let my car warm
all the way up. I will turn on head Lights and defroster.

3 Answers
22,310

Guru9FSV8 answered 5 years ago

Alternator is weak. Voltage regulator is probably bad. Could be other things in regards to the alternator but they are all involving the alternator.

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KenF answered 5 years ago

See above answer. You are turning on additional electrical loads, and the alternator can't keep up. You can get the alternator load tested to check its condition, but it's likely time for a new one.

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Guru9FSV8 answered 5 years ago

KenF You have great answers and you go into excellent detail. I don’t always have the time away from my current customers or I am afraid of overwhelming the author. I wish I could give you 1K points

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