Electrical problem
1997 Buick Skylark 4 cyl Front Wheel Drive Automatic 120000 miles
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at first it was just intermitten id be driving down the road and the locks will automaticly lock themselves like they should have a few miles back and my domelight would start working again also at the same time then it would stop again

ive checked all fuses and bulbs. is there some module or something? also im not sure maybe its related my fuel pump starts to cut out sometimes. please help! thanks in advance