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it is not a good idea. the alternator is selected to meet the needs of the electrical system. Check to see what the maxium amp load is. It may cause a fault light to show up. the computers are set up for specific amps. Check to see if similar Volvo models of the year use a 70 amp alternator. hope it helps. duboff

Rolfo says: I have done this with acceptable results, although I will agree that it is not recommended. If you must use a different amperage go for more amps, not less.

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โˆ™ 2011-09-13 17:35:28
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Q: Will a 70 amp alternator work in a 1989 Volvo 240 which normally has an 80 amp?
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