The relay box is a fuse/relay box that allows me to hook up lights, fridge, and other accessories to the spare battery and keep it isolated from my starting battery so I do not get stranded out exploring. I could have used individual relays fuses but decided to keep it clean under the hood.
I...
New here and just starting my build. I picked up an 06 4runner Sr5 that was bone stock in November 2016 to explore and enjoy peace and quiet in the WA woods. I wanted to lift the rig right away and talked myself out of it due to my daughter needing to drive it during the summer while visiting...
I think Bussmann is the way to go. I started to build the 5 position and decided I might need more down the road, so I went with the 10 position. I did not buy any crimp tools, needle nose worked great with a solder on top of it.
So after reading all the post in this tread I decided to wire the second battery up. I added a bussman fuse/relay box in the mix to keep the number of relays in the engine compartment to a min. Thanks for the great write up and all the great advice in this thread.