The Shop Jeep – Part 2

On-board Air

After the Bulldog Canyon run, where there are many BIG rocks, I realized that on-board air would be nice. Air down the tires to minimize teeth-chattering impacts and allow them to contour to the boulders, then air them up to drive home. So, we ordered the following parts:

  • ARB Twin 12V Compressor, part # CKMTA12
  • ARB Mount Kit for 2018+ Jeep Wrangler JL, part # 3550220
  • (2) ARB Air Compressor Reinforced Hose, 1.5M, part # 0740204
  • ARB 90 degree 1/4″ NPT to JIC-4 Elbows (2pk), part # 0740110
  • ARB Hose Coupler, Remote Mount, part # 0740111
  • Viair one gallon Tank, part # 91010

It took me three different orders to figure that list out! One of the challenges is that ARB discontinued their one gallon tank, for which a bracket is included for in the 3550220 (bummer). So, I sourced the Viair tank and then had to wait until I figured out where to mount it to know what NPT to JIC-4 adapters would be best suited for the air line runs. Due to time constraints, I had to do this installation over the course of two different weekends.

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Getting Grounded

Note: This originally appeared in Volume 2, Number 2 of Street Rod Life Magazine.

Let’s start with the basics. Electrically speaking, ground is a point of commonality and nothing more. Since no automobile that I’ve seen has a rod driven into the ground next to it, where is ground in your car? Ask ten enthusiasts where ground is in their car and they’ll immediately point to the negative battery terminal. Are they correct? No. Let me explain.

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