99 audi a6 won’t start when really cold
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=125855
Printed Date: May 03, 2024 at 2:54 AM
Topic: 99 audi a6 won’t start when really cold
Posted By: jrilla
Subject: 99 audi a6 won’t start when really cold
Date Posted: January 25, 2011 at 7:05 PM
Guy brought in this vehicle with UltaStart 12XX I think (didn't look at the model, just remember the remote). I opened up the dash looking to see if there was 2nd Starter wire (Blue) that some of the vehicles have, but I couldn't see one since the wire harness was barely accessible. The installer used T-Taps for the 12V+, Ign, Acc and Starter. I didn't have much time to look into it before the guy had to leave, but he is coming back on Friday and I was hoping to have something more to look into other than verifying all of the original connections. I'm wondering if the T-Taps are the problem when it is really cold. I can't believe people use those things.
Thanks for any help.
Replies:
Posted By: godd dan it
Date Posted: January 26, 2011 at 12:20 AM
I would definately remove those T-taps from the heavy gauge remote starter wires and wire them correctly. Then go from there.
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Posted By: tedmond
Date Posted: January 26, 2011 at 3:35 PM
remove the ttaps for sure, and solder that.
other than that make sure all ignitions/accs are powered and reprogram the tach.
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Ted
2nd Year Tier 1 Medical School
Still installing as a hobby...pays for groceries
Compustar Expert
Posted By: jrilla
Date Posted: January 28, 2011 at 10:24 AM
Thanks guys.
Posted By: Velocity Motors
Date Posted: January 30, 2011 at 3:42 PM
I have that same vehicle as a personal vehicle and it was -34 this morning and started no problem. One thing to look for when it fails is if the immobilizer light is on when it fails. Otherwise look at the t-taps as the others suggested.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: howie ll
Date Posted: January 30, 2011 at 3:56 PM
Or increase the engine revs slightly whilst programming, obviously agree with the soldering comments.
T taps = Devil's spawn.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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