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Discussion Starter #1
I have a 85 corvette that I can’t get service light off. It will not reset or will show any codes. When I disconnect the battery wait then reconnect the light will not turn off thinking that my ecm was bad I replaced but the light will not turn off or read any codes. Is it a ground issue? Any help will be appreciated
 

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90 Posts
When did it first come on? Car starts and runs fine?
How have you tried checking for any codes?
Picture of panel?
 

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Discussion Starter #4
Picked up a gym service manual it turned out to be a bad prom. Ordered a hyper tech chip from Auto zone. It finally runs great without any issues
 
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