All right today in this 2012 Buick Enclave we're going to install part number RM76513. This is a Roadmaster FuseMaster Fuse Bypass Switch for towed vehicles. All right. To start off our install, we'll need to get this new harness ready to go. First we'll go ahead and remove the 2-amp fuse in the small fuse holder on the ground wire. Next we'll go to the vehicle's owners manual and determine which… see more >