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Wiring aux cargo lights to factory cab switch

Discussion in 'Chevy Trucks' started by Woodland, Apr 13, 2008.

  1. Woodland

    Woodland Senior Member
    Messages: 269

    I'm going to mount two 55w work lights to the back of my truck rack. I plan to run power from the battery through a relay to lights. Is it possible/wise to wire the relay (85 terminal) to the factory cargo light switch so both come on with the one switch, or would I be better off to install a second switch somewhere else for the aux lights?
  2. Indy

    Indy Senior Member
    Messages: 704

    Just my .02 but I think the extra light in the bed, especially with snow in it or while it is snowing is hard to see past.

    I would opt for lights further back and lower if you can, @ bumper height seems good.

    Good luck

    Mike c
  3. Woodland

    Woodland Senior Member
    Messages: 269

    I have a set of auxiliary backup lights mounted underneath the rear bumper that turn on when the truck is in reverse. The lights I am mounting on the truck rack are to illuminate the cargo are when I'm working in their after dark. The stock cargo lights just arn't bright enough.
    Last edited: Apr 13, 2008
  4. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    No reason you can't tie the 85 terminal into the cargo light wire to trip the relay. Makes for a rather nice setup that way, no separate switch needed.