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when i pulled into the garage tonight the alternator light started to flicker as the car idled. its a 72 w/ a 302. what should i look for.thanks randy :(
 

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After checking battery voltage with engine running as John suggested, you can take it to your local Pepboys, Autozone, etc. They will check the charging system for free. A bad voltage regulator can cause the symptom you described, as well.
 

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Randy, along with the other suggestions, check the belt. I had a similar situation, turned out that one of the bolts had not been tightened and I lost belt tension. :p
 
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