On the 7730 ECM it is the "EST Bypass" connector you disconnect. If my sources are correct, the wire should be Tan/Black. This removes ECM timing advance so you can set the initial base timing advance.
On the 7730 ECM it is the "EST Bypass" connector you disconnect. If my sources are correct, the wire should be Tan/Black. This removes ECM timing advance so you can set the initial base timing advance.
1990 Corvette (Manual)
1994 Corvette (Automatic)
1995 Corvette (Manual)
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