Pontiac Problems? Ask a Mechanic for Answers ASAP
Hi Im David, you wont be able to get the security to stop flashing unless you remove the aftermarket radio because the new wiring uses the k line to splice into. and that is part of the dlc/ecm circuitry.
when was the radio installed?
let me see if i can get your security code...i need your vin
try this link. its a bit confusing, but just follow it step by step.
checking in to see if you resolved the issue