alternator not up to par?
when i have the lights on both driving and headlights, i can actually see them get dim and bright every little while, and it gets worse when the defrost is on high.
the dealer tells me its normal but i dont buy it cause this happens at highway speeds as well as at idle. any ideas tips things to check myself? TIA |
The same thing happens to mine, I think they all do it. You will notice dimming when the compressor comes on for the air conditioning system. This also happens on defrost because it uses the compressor.
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they are very weak alternators. I also think that mazda underdrives them from the factory to help with power output. There are a few companies who can make you a more powerful alternator in the $300 range if you have a big stereo or whatnot.
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it's normal..if you do have a high powered stereo system though and the power output is not enough then my suggestion would be to use capacitors rather than upgrading the alternator...its a cheaper alternative
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can you add a capacitor to the existing (cough) kenwood system?
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capasitors are nice, but only help the stereo, not any of the other problems, lights dimning, ac, so forth.
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