Open the Control Box

  1. Disconnect the power.
  2. Use a 1/8” Allen Key, loosen the four bolts on the faceplate.
  3. Unplug the power harness from the mother board.

GPS Battery Replacement

  1. Locate the BR1225 coin type battery.
  2. Using the pick, push the battery out of its cradle.
  3. With the positive side of the battery facing down, slide the battery into the cradle.