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Hey Cari==Make sure there is good air flow around and through the alternator. Restrictions from heater hoses around alternators can cause them to overheat and fail. GoodluckJoe

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โˆ™ 2004-07-09 11:12:27
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Q: Why would your 1990 Mercury Cougar go through an alternator a year?
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What year is your cougar and also is it a V6 or a V8? This information would be nice to know :) it is attached to the engine

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