Sedg Posted May 27, 2008 Report Share Posted May 27, 2008 HELP!!! D3 in 2007 Chevy Trailblazer SS. Here's the symptoms that occur randomly and without any consisitency; - Occasionally my steering wheel control buttons don't work but then I wait a few minutes and they do work, even after reprogramming and replacing swips unit (twice). - Occasionally when using the turn signals or braking the HU will change bands or source. Very weird. I was reasonably sure the issue lies in having an improper connection with the swips or gm lan module. I don't know what I don't know about this crap and will be taking all the info to my new installer so he can fix everything correctly once and for all. I searched out this issue previously and being a smarty pants bookmarked the threads I needed... unfortunately the links I saved are dead for some reason and the answers I need are missing. Yes, the search button does work but after an hour of not finding the right info I was hoping some folks would be able to supply the info I need in a more timely manner. Cheers, Sedg Quote Link to post Share on other sites
jaedee Posted May 28, 2008 Report Share Posted May 28, 2008 I had a similar issue where my swc didn't work all the time. Sometimes they would work after driving for a while, sometimes not. I had originally made the connection from the swips with a "t-tap" connection. After about two weeks of intermittent function, I decided to remove the "t-tap" and solder the connection. I have not had one problem since. Sterring wheel controls work like champ, everytime. Quote Link to post Share on other sites
Sedg Posted May 29, 2008 Author Report Share Posted May 29, 2008 I'll check to see if that may be the culprit. Thanks for your input. I was hoping someone could direct me to the best or proper wiring for the lan module (gmos4 I think) and the swips that's in my truck. I remember seeing info on the correct wiring or the best/recommended tap in points to the OEM wires. Quote Link to post Share on other sites
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