I remember the 68 Camaro I had with the 94 LT1 in it had the VATS wired into the headlight switch. But I don't know who modified the harness. The "chip" in the key has different resistance ranges so if you don't get the right key it wouldn't work. How did you bypass that key portion of the circuit? I'm guessing it's not completing the circuit to give you spark.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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