Plug-in-ready, relay-equipped harness for adding auxiliary lights to the Moto Guzzi V85 TT

Plug-in-ready, relay-equipped harness for adding auxiliary lights to the Moto Guzzi V85 TT

This version runs power directly from the battery, light operation still controlled by the Guzzi handlebar switch. Easily add aftermarket lights to the V85 TT. Plugs directly into the existing OEM Moto Guzzi wiring harness. Operates with the OEM handlebar switch. Extra long wire leads to support various routing and light placement options (1000 mm). Sealed relay. Includes terminals to make connections to auxiliary spot lights, LED lights, etc.

Note: Power to the spot lights flows direcly from the battery. Only the handlebar switch signal wire passes through the existing Moto Guzzi wiring harness. This is preferred if you are planning to operate high amperage auxilarly lights.

Installation instructions

1. Open the triangle-shaped connection box located in front of the fuel tank on the left side of the motorcycle (see image below).
2. Connect the 3-pin plug on the to the OEM Moto Guzzi harness inside the connection box.
3. Route the two pairs of red and black wire extensions through the connection box. One pair will go to each light.
4. Route the wire bundle with the inline fuse through the connection box, then back to the battery.
5. Fit the relay and associated wiring inside the connection box and replace the triangle-shaped cover.
6. Make the wire connections at each light with the provided bullet terminals.
   • Black to ground/earth.
   • Red to power.
   • Feel free to cut the sheathing and wiring to the length needed.
7. Make the wire connections at the battery.
   • Black to ground/earth.
   • Red to power.