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Excaliber old to new

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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.
Printed Date: May 24, 2022 at 4:00 PM

Topic: Excaliber old to new

Posted By: CBR629
Subject: Excaliber old to new
Date Posted: January 23, 2018 at 7:37 AM

Hello I like to know the best way to upgrade from Excaliber AL-2000-EDP to AL-XX70-B ? The company that did the original installation is no longer in business and I want to install the new unit based off the current wires already installed like maybe cutting off the ends and using connectors to wire the newer harness for installation. Thanks in advance



Posted By: Custom_Jim
Date Posted: January 23, 2018 at 5:19 PM
I had to do something like you are wanting when an older Audiovox alarm broke and they covered it under warranty BUT the new system did not share the same plugs and one or two wires were reversed in polarity. The old one I had was a second generation while the replacement was a 3rd or 4th generation.

I would get the wiring diagrams for both systems then lay them out verifying what each wire does and which can be changed over and then come up with a plan.

On my situation I did have to change the polarity of the door lock relay as the original was set up as a positive trigger output and the new model was only a negative trigger output.

If the new system has a new siren, maybe change that out also and any other parts that might be questionable.


1968 Chevy II Nova Garage Find 2012
1973 Nova Custom
1974 Spirit of America Nova
1973 Nova Pro-Street

Posted By: CBR629
Date Posted: January 30, 2018 at 11:19 AM
That sounds like a great idea! I will have to try that and thank you.


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