2001 Yukon XL Remote Start

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Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=73624
Printed Date: July 13, 2025 at 6:26 PM

Topic: 2001 Yukon XL Remote Start

Posted By: rob1234
Subject: 2001 Yukon XL Remote Start
Date Posted: February 27, 2006 at 8:04 PM

I am looking to install a Avistart 4400 on a 2001 Yukon XL. Does anyone have a wiring diagram and know if I need a 555l or not. The truck works with any cut key. Thanks

Replies:

Posted By: cayuga420
Date Posted: February 28, 2006 at 8:53 PM

You will need a passlock II bypass of somekind. The wiring is pretty simple. I will email you some info you will like!

Posted By: fivestar
Date Posted: March 08, 2006 at 10:24 PM

you need the 555l in order to do that kind of job if not it wont work

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