All the Alphabets want Terminal Post Connections


Apr 24, 2014
Evansville, IN
My ECU, TCU, and just about every other controller wants to be hooked up to the + post on the battery. Why is that?

I've been trying to hide wires where I can and the + post looks like shyte. Why can't I use a + bus hidden somewhere?


G body LS mafia
Supporting Member
Nov 24, 2014
Louisville, KY
Don't overcomplicate it. I'm running an LS/4L80 with all the stock stuff, plus an amp, vacuum pump, etc. Main thing is making sure you have sufficient and clean grounds all over! My battery is in my wheelwell, but same concept for anywhere else...


Royal Smart Person
Oct 25, 2019
Colorado Springs, CO
I installed a similar setup as well right next to the battery up front. This is straight from a 88-98 body style GM truck. Costs next to nothing from a junk yard. Take the mounting bolts too as they make it easy to dig into any mounting surface.
View attachment 173221

88-95, but yes excellent option. They have underwood lights with reels too.
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