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Lou P.
Lou P., ASE Certified Technician
Category: Chevy
Satisfied Customers: 3729
Experience:  building and driving chevy's since i was in the womb!!!! camaro and corvette enthusiest, access to factory diagrams and tsb's
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Security light comes on when key is turned, after trying to

Customer Question

security light comes on when key is turned, after trying to start engine, light flashes 4 times and goes off, we have replaced the ignition module and key switch, The vehicle is a 1998 GMC 4.3 Pick Up
Submitted: 1 year ago.
Category: Chevy
Expert:  Lou P. replied 1 year ago.
Hello my name is ***** ***** i will do my best to help you , i strive for EXCELLENT service and nothing more. Have you tried the relearn of the switch by leaving the key on for ten minutes and then turning off and then trying to start ?