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Either this is an unusual coincidence, OR the person changing the alternator inadvertently disconnected some of the A/C wiring [like a harness connector], OR damaged one the wires in the A/C circuit.
The A/C compressor has a wire to supply current to it to engage the A/C clutch, and if that wire is disconnected, cut or broken, then the A/C clutch cannot engage.
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∙ 14y ago
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What would cause the alternator light to come on and off. On a1989 Buick Park Avenue.?
Something can be taxing the work of the alternator, or the alternator can be weak and needs replaced.
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have a qualified mechanic work on it.
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Either the switch or resister network has failed and needs to be replaced.
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you probley did not hook it up right or you did hook it up right but it just unscrewed.
