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1994 buick security light and alt, temp lights not working

11-13-2014, 09:02 PM
My Buick Lesabre is a 1994 Custom 3.8L V6 F.I.;
Problem:: At first the no start and flashing security light occurred. Then out of the blue the security light, alternator/battery light, and temperature light just went out and have not worked since? Anyone know what the problem could be? I did bypass the key reader wires(using exact resistor) and had the flashing security light still and turned ignition off then back on and that's when all three lights failed to come on!

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