04 Chevy Avalanche, Avantguard 5
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=30252
Printed Date: July 18, 2025 at 5:20 AM
Topic: 04 Chevy Avalanche, Avantguard 5
Posted By: blacktrail
Subject: 04 Chevy Avalanche, Avantguard 5
Date Posted: April 12, 2004 at 4:37 PM
I have an Clifford Avatguard 5 and when I disarm the system ( 3 of 5x) it will dis arm all the doors(I have the veh set to disarm driver's door only). Veh is Chevy Avalanche 04 z71. The installer has changed out the bypass but still have same problem..can anyone help????
Replies:
Posted By: kgerry
Date Posted: April 12, 2004 at 5:13 PM
what databus module did you use? not passlock...DATABUS
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: blacktrail
Date Posted: April 13, 2004 at 2:09 PM
The databus was a 456g, DEI...and buypass 555l
Posted By: mark mcj
Date Posted: April 13, 2004 at 8:18 PM
depending on how the 456g is wired, it will unlock all doors or if wired differently, it will unlock with drivers door priority. the wiring diagram should show how to unlock drivers first then with a second pulse it will unlock all. the ignition bypass will not hace any bearing regarding the lock / unlock funtion. good luck
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mark mcj
Posted By: kgerry
Date Posted: April 13, 2004 at 8:25 PM
tough to say...i've used the 456 half a dozen times with no problems at all...but the 455 for the ST6's ( Trailblazer, Envoy, Bravada ) does this often with no explanation.... just make sure that it is wired for either keyless or non-keyless depending on what the vehicle was....
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: blacktrail
Date Posted: April 14, 2004 at 12:22 PM
Thanks for the reply..will go over wiring one more time
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