ac runs all the time on 1999 Buick Park Avenue

ac runs at all times even when calling for heat
fans run all the time even at starup

Asked by for the 1999 Buick Park Avenue
1 answer 1 comment
fans are on because the compressor is on. could be a stuck ac compressor relay. take it to a shop and have them confirm and give you a bid

ac relay "is ok" now what????