I have an 89 Cadillac Coup deVille, it is having problems with the "computer" one mechanic says I may need a circuit board?

Asked by Dec 12, 2016 at 10:52 AM about the 1989 Cadillac DeVille Coupe FWD

Question type: Maintenance & Repair

I have an 89 Cadillac Coup deVille, it is having problems with the "computer"
one mechanic says I may need a circuit board? The air conditioner keeps
shutting down and now the alternator is shutting down after about 10-15 miles
of driving. How do I find this part?

2 Answers

153,225

http://www.rockauto.com/en/catalog/cadillac,1989,deville,4.5l+273cid+v8,1025693,electrical,engine+control+module+(ecm+computer),2896

Check the fuse box for tightness

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