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  1. Rear Defroster Not Working To Full Potential \ 5V Reference Voltage from Ignition Means...???

    Chevy Impala 9th Gen Discussion
    Does anyone know why the rear window defrost system wouldn't be working to it's full potential? I'm assuming a low voltage issues, but my OBD2 Scans don't indicate this to me, so I was just wondering if anyone else has had this issue. The only electrical issue I've found in my system is a...
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