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  1. 7.3L IDI Diesels (Not Powerstrokes) 1988-1993
    So my battery light came on and the truck died. I replaced the alternator and starter, it sits just below 13 at idle and 13.5 at speed. Now when I turn the AC on or literally any electrical using components it tanks it to about 10 volts. Is there anything else I should or can replace to fix the...
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