Guest smiffer Posted May 25, 2007 Share Posted May 25, 2007 I purchased the Backoff-XP from Signal Dynamics but have a question as to which wires on my 6th gen to hook it up to. Since I have two brake lights I was going to only hook the unit up to the upper light. Which wire do I splice into though? Solid green is the ground so do I splice into the green/yellow or brown/blue wire? Signal Dynamics instructions: Link to comment Share on other sites More sharing options...
Member Contributer chris2992 Posted May 25, 2007 Member Contributer Share Posted May 25, 2007 I don't know which color it is, but you could easily check. One wire will have 12v constant on it for the running light, the other will only have 12v when the brake is applied. The one that turns "hot" when the brake is applied is where you need to patch this device into. Link to comment Share on other sites More sharing options...
Guest Posted May 25, 2007 Share Posted May 25, 2007 Talk about a fast reply. So, based on the diagram, that it would be the green/yellow. Link to comment Share on other sites More sharing options...
Member Contributer chris2992 Posted May 25, 2007 Member Contributer Share Posted May 25, 2007 Yes, Green/yellow. You can tell this because they are taking constant power for the license plate light from the brown/blue wire. Good Luck. Link to comment Share on other sites More sharing options...
Member Contributer Rivcyko Posted May 25, 2007 Member Contributer Share Posted May 25, 2007 May we get this pinned? Link to comment Share on other sites More sharing options...
Guest Posted May 25, 2007 Share Posted May 25, 2007 thanks a ton chris. i really didn't wanna cut the wrong one as that's such a tight spot to work in. Link to comment Share on other sites More sharing options...
Member Contributer chris2992 Posted May 30, 2007 Member Contributer Share Posted May 30, 2007 Did it work out OK? Link to comment Share on other sites More sharing options...
Guest Posted September 20, 2011 Share Posted September 20, 2011 I know this is an old post however has anybody done this mod for both rear lights? Thought it would help with visibility a little more to have both flash. Any suggestions on how to wire it to workthis way? My take on this was to cut both greenyellow wires and splice the bottom light wire into the top wire with the backoff. Would this work? Link to comment Share on other sites More sharing options...
Guest Posted September 20, 2011 Share Posted September 20, 2011 I wired everything up like I said and it works great both lights blink! Link to comment Share on other sites More sharing options...
Member Contributer VFRBulldawg Posted September 20, 2011 Member Contributer Share Posted September 20, 2011 Thanks for posting this riverlife. I'm about to do the very same modification and was wondering the same thing. Now I know to hook up the unit to both wires. Link to comment Share on other sites More sharing options...
bayarearider Posted September 20, 2011 Share Posted September 20, 2011 +1 on having both lights flash, triple blink then go solid on when either brake lever is engaged. Now go for the front end headlight modulator. It helps! Link to comment Share on other sites More sharing options...
Member Contributer VFRBulldawg Posted October 9, 2011 Member Contributer Share Posted October 9, 2011 Question for y'all that have doe this mod. I spliced the positive wire to the green/yellow wire on both lights and I spliced the ground wire unit to the green ground wire on one of the lights. When I tested it with just the battery everything worked fine. Both lights came n and modulated when I pulled the brake lever and went off when I let go. When I started the bike up and had it running I moved it and then noticed that the brake lights were on all the time even without the lever pulled. I couldn't make them go off. Did I do something wrong with the wiring? Should I have run the unit ground wire to its own ground point and not spliced it to one of the green wires? Should I have spliced it to both green ground wires? I know that my brake lever position switch may be the problem but it was late and I was tired and didn't fiddle with it. But it would be a weird coincidence that my brake lever position switch would get out of whack at the same time I rewired the tail lights. Any advice would be appreciated. Link to comment Share on other sites More sharing options...
Member Contributer VFRBulldawg Posted October 9, 2011 Member Contributer Share Posted October 9, 2011 It appears to be the rear brake pedal switch is the culprit. Service Manual doesn't give any adjustment instructions. I guess I'll just start fiddling with it. Link to comment Share on other sites More sharing options...
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