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TBI 350 swap in 88 Blazer, charging issues

Old Sep 7, 2011 | 10:07 PM
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Default TBI 350 swap in 88 Blazer, charging issues

Well, i checked the stock alternator, it is a 90 model setup, 1 wire alternator. But it was dead, swapped to a new autozone piece, it went bad, warrantied it and it was 11.4 volts, started it and went to 13.8-14.0 like it should, 5 miles drive later, i checked it and the damn thing was down to 13.0-12.8, so i assume the regulator inside got burned up.

How much voltage is required on the keyd source to activate the charging system? I thought it was 12 V, so what needs to be done?
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Old Sep 8, 2011 | 05:47 AM
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how old is your battery? also make sure the wire leading to the battery isnt broken/burnt.
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Old Sep 8, 2011 | 12:21 PM
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Battery is the second good one we have installed and the small cable was replaced.
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