556U transponder ring
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=84187
Printed Date: May 12, 2025 at 8:43 AM
Topic: 556U transponder ring
Posted By: d-rail
Subject: 556U transponder ring
Date Posted: October 16, 2006 at 2:10 AM
I was wondering if anyone know where I can get just the transponder ring for a 556U. I bought the whole thing about 9 months ago. I went to use it recently and there was no ring inside, I no longer have the receipt to go back to where I bought it.
Thanks
Replies:
Posted By: dman007
Date Posted: October 28, 2006 at 1:30 AM
Well, im almost 100% sure they dont sell the ring harness seperately. You might get lucky going to your local shop seeing if they have any laying around. 2000-2005 Audi's require a 556U but they dont require the use of the ring so you might get lucky.
Posted By: kgerry
Date Posted: October 28, 2006 at 9:42 AM
you can also just solder a length of 20 ga wire to it and loop that around the front of the key cylinder
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: d-rail
Date Posted: October 29, 2006 at 1:57 AM
How much length? I read about someone taking 4 feet of unshielded 18 gua. and removing 2 of the strands and wrapping it around a toilet paper tube and then taping it up so it was insulated.
Thanks
Posted By: Mike M2
Date Posted: October 30, 2006 at 6:52 AM
I have done it in a pinch. Two strands will do and 4 feet should be enough. I just connected the strands to a relay to turn it on and it worked fine. Just wrap the strands directly around the key head and tape them in place....
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Mike M2
Tech Manager
CS Dealer Services
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