With the key on and engine off the lights will be dim. The best indicator is the parking brake light. If it is OK in birghtness the others will be as well. In many cases, the charge light will not come on in the event of a charging system failure because the light relies on the brush set inside of the alt to light it. If one of the brushes goes, the light does not work.

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
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