I just finished up restoring a pull between trailer. This trailer will be pull by my Spyder or by a friend's Goldwing. The GW is a 5 wire, so the trailer needed separate amber turn signals. When I received my trailer hitch it was the new 2013, with the 4 wire harness. So I had a problem.
This is how I wired the trailer to work with both bikes.
On the Spyder 4 wire plug
White wire - ground
Yellow wire - left turn (amber light)
Green wire - right turn (amber light)
Brown wire - tail lights/running lights (round lights)
Then I ran a red wire from the 5 wire side of the 5 to 4 wire module
The GW has a 6 wire plug a blue wire that not used.
The red wire to the brakes lights (round lights) and the light bar with a XP back-off module.
So the hook up on the Spyder is not a true 5 wire system, so the light works a little different between the two bikes. When hooked to the GW the amber lights only comes on with the left or right turn signals. On the Spyder the amber lights works as the turn signals and also come on with the brake lights. I have red lenses to replace the amber ones if I run into a problem with DOT.
Problem solved!
ToM
SpyderFest 2013
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