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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29427
Experience:  GM Grand Master Technician 2007. 14 years experience.
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My security light on my truck turns on when I lock doors

Customer Question

My security light on my truck turns on when I lock doors letting me now alarm is on, I bought remote at dealer they saidit had. Aftermarket alarm on it how is.that if sercurty factory lightgoes on if it has a aftermarket alarm on it
Submitted: 1 year ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 1 year ago.

Hi there, I am Cam. There may be aftermarket security systems in place in the truck, however there is still the factory theft deterrent built into the vehicle's computer system. So the indicator you are seeing is normal sign that the factory system is operational. The factory system prevents the injectors from operating unless a key is used to turn the ignition cylinder. So it prevents someone from hotwiring the truck.

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