Originally Posted by lzcamper
My '06 T1N Sprinter does not have a trailer wiring package, so I need to start from scratch. I do not need to hook up trailer brakes, only lights. Can I simply splice into the existing taillight wiring? If not, where do I start the wiring. I'm looking for an inexpensive solution.
Yes you can splice into the existing taillight wiring.
Actually, you don't need to "splice" per se.
You can get the Y-cable (with sockets) specially made for trailer lights.
You simply plug-and-play.
Call your local trailer dealer/installer; they should have that Y-cable.