DrBrown54 Posted May 2, 2021 Share Posted May 2, 2021 I am accumulating the parts to do a DDIN install in my 15 Connect XL LWB. It has the steering wheel controls and 4" backup screen so I'm debating if I NEED a harness adapter to keep the backup screen. Crutchfield has the Crux one for $99 (kinda pricey for an unfinished harness) that supposedly retains steering wheel control and the 4" screen but some are saying it puts a draw on the battery. I have no desire to make my vehicle, which is parked most of the time, have a dead battery. I plan to manually cut and splice the wires with crimp nuts rather than buying a harness that isn't even plug and play. If I leave the wires from the OEM harness going to the 4" display will it still work or does it pull its power FROM the factory head unit? I haven't done audio in a newer style car before, it's all been pre 2005 era so easy peasy. This new stuff looks like a nightmare lol! Any suggestions on other places to find a harness that won't drain my battery or install tips would be appreciated. Quote Link to comment Share on other sites More sharing options...
gossipninja Posted August 31, 2021 Share Posted August 31, 2021 the metra xsvi-5524-nav is what I am going to use on my '14 https://www.crutchfield.com/p_120XS5524N/Axxess-XSVI-5524-NAV-Wiring-Interface.html?awcp=&awcr=309939457353&awdv=c&awkw=xsvi5524nav&awmt=p&awnw=g&awug=9015260&gclid=Cj0KCQjwpreJBhDvARIsAF1_BU2aEgle0Dz8AohWGuJJ03sNlOiD78rtQCf8gL_JY6VzGq9qwNv-UQAaAltFEALw_wcB Id doesn't keep aux and doesn't interface with the 4 inch screen in any way. Can be had for 50 or less on amazon. (requires buying an AWSC for about $50 if keeping sterring controls) metra also makes a harness that loops between the 4inch screen to allow backup camera to go into an aftermarket head unit (which didn't work on my '14, the video signal was scrambled and metra says it SHOULD work but it officially only works with '15 and up due to testing) NOTE: if you do use this screen adapter and want Steering wheel controls, then the awsc (sold separatly) interfaces to this harness, not the 5524 per metra. - https://www.crutchfield.com/S-BG1pEk6Y3BS/p_120FDSYNC/Axxess-AX-FDSYNC-SWC-Steering-Wheel-Control-Harness.html?XVINQ=GLX&awkw=305755862776&awat=pla&awnw=g&awcr=193549614845&awdv=c&awug=9015260&gclid=Cj0KCQjwpreJBhDvARIsAF1_BU2yDBCVi3kZZRvmEkJgMqmjI5UufLsbczv16T5GHRQyIj2Npqc4HCcaAt-dEALw_wcB These are $10 at best buy. Quote Link to comment Share on other sites More sharing options...
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