Aftermarket alam systems
February 16th, 2013, 1:29 PM
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Aftermarket alam systems
We recently bought a 2004 Avalanche Z71. A previous owner installed an aftermarket alarm (I think a Viper) with remote start. I'm wanting to install a non stock tune in the ECM (Superchips). When the alarm with remote start was installed would it have required a reprogram of the ECM?? What are the chances that the current tune is non stock???
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ActiveMonkey
Silverado & Fullsize Pick-ups
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September 13th, 2008 4:26 PM