99 jeep cherokee charging system troubles

1999 ALL OTHER MAKES ALL OTHER MODELS
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PYROTHEGREEN
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99 jeep Cherokee, 112000 miles, inline-6

troubles started when changing battery, and the battery was hooked up incorrectly(negative to positive and vice versa)..since then has acted like typical alternator problems. the voltage on the battery has stayed about 12 volts for a while, and doesn't go up to 14 when the car is started. i changed an alternator and still have the same problem. just wondering if there is anything else i should check due to the battery connected wrong for a couple seconds...other than just assuming the refurb. alternator is bad?
May 30, 2007 at 3:50 PM
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2CARPRO JACK
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Check all fuses underhood and in the passenger compartment and fusible links at battery. Do an Ohms test from big wire at alt to battery.
May 31, 2007 at 7:52 AM