Hey guys. I just got a new undertail kit for my 2002 F4i and before I begin the process, I just wanted to get some help in advance when it comes to re-wiring. The undertail that I got has led turn signals and each side comes with a black (-) and a red (+) wire. Each tail light comes with three black wires. Im a total dumbass when it comes to wiring diagrams so I need help with what wires on the F4i that will correspond. Any electronic guru help is appreciated.

 

According to the schematics:
Right turn-signal ....................... Light blue (+)/Green (-)
Left turn-signal ........................ Orange (+)/Green (-)
Brake lights .............................. Green/Yellow (+) [brake light]/Black/Brown (+) [running light] /Green (-)

BTW, To figure out which wire does what on your new lights, use a 9V battery to check.

 

Incognito,

You are awesome! Thank you for taking the time to help me out on this!

 

Cool

 

Incognito,

hey check out this diagram. light blue is negative and red is positive. I followed what you said earlier and I got the brake light going. But I dont have running lights. Im pretty sure I got it all right but something doesnt add up..


EDIT: GOT IT WORKING! THANKS INCOGNITO!