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View Full Version : Taillight wiring question? to ground or not to ground?



elmiguel13
07-25-2010, 5:59 PM
Just put on a hinged FLH fender on my bike, with a new taillight. Harness has 6 wires running to the taillight. Ground, running light, brake light, left sig, right sig, and a accessory which is dead. My question is this: Do i need to ground the taillight on one of the posts/bolts going through the fender? Right now the only wires I have hooked are the running and brake light to the tailight and the L/R turn signals. Signals are mounted low on the shock bolts. Everything works fine, I'm just concerned about the ground wire not being connected. Are they grounding themselves through the taillight/fender or the shock bolts, respectively? Any info, I would really appreciate it.

Tito
07-25-2010, 6:06 PM
Yes, they are grounding themselves. Just make sure they're making good contact with clean bare metal. No problem. The real problem with grounding and lights is the headlight needs a dedicated ground.