My wife recently had new CD player installed in her 01 saturn s. The check engine light was on before this due to smog pump not working correctly, but after the stereo install, 2 days, every time she makes a left hand turn many light come on in the cluster. Check engine soon, and Check engine both, Brake light, Abs, (But not battery or not overheating). So I didn't think alternator or Belt braking when she called me on the road worried. I told her to stop I was on way. After turning car off and on the lights go out until she makes left turn again. It never overheated or battery drain after 60 miles driving home. Could this be a bad ground on stereo install making this happen.
Thank you for writing in. Since the vehicle is experiencing many different warning lights after the radio installation, you are likely dealing with an electrical problem stemming from the install. The ground connection is a good place to start. You want to make sure that all wiring is clean, dry, and tight. Make sure that all connections are secure, and that there is no exposed wiring. If it only happens when she is turning left, it may be a poor connection in or near the steering column as well. You are going to need to start with a visual inspection first, and may need to seek professional help to trace down the issue.
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