First experience with a 457g
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=71706
Printed Date: August 13, 2025 at 1:50 PM
Topic: First experience with a 457g
Posted By: cntrylvr79
Subject: First experience with a 457g
Date Posted: January 28, 2006 at 8:27 PM
So I finally got a gm that I could try out the 457g. It was a 2006 Trailblazer. Couldn't find any info on it so pulled up an 05 checked all the wiring seemed the same. After reading and hearing some horror stories about the 457. I called up Dei , and they said the 457g would work. So I proceed with the install. Got everything wired up plugged the 457 in got it to program and everything. I must say went very smoothly. Much better than selling the customer a 456g for the locks and a 555l for passlock. On a side note the 457g will not reengage the factory alarm after the r/s shuts down unless you tie the factory alarm rearm to the lock input of the 457. I know may sound obvious, but I just want to put it out there.
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Cause I'm So white and nerdy...
First Class Certi-fried installer
Replies:
Posted By: Mike M2
Date Posted: January 29, 2006 at 7:31 AM
The biggest issue i've seen with the 457G is on Trailblazers. At least 50% of the ones i do won't lock the back hatch after it unlocks.
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Mike M2
Tech Manager
CS Dealer Services
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