[N2TRUX]

With the valves installed and all of the related connectors plugged in tightly it was time to route the compressor harness. I picked up a fresh supply of connectors to fit the gauge of wire I would be running. I highly recommend spending the money to buy quality brand of connectors.

If your current system is installed with manual controls, the compressor is probably grounded to the frame and a relay is incorporated to switch the +12v source on with the ignition. You should note that the E3 system uses internal switching to break the ground going to the compressor, and the +12v supply is always hot. Consequently you should remove the frame ground or the compressor will not turn off.

The E3 ECE is capable of running two compressor if you choose. I plan to add a second compressor at a later date so the wiring for the second pump was routed along with the primary pump wire.

I'm not a big fan of split wire loom, but this was the best way to protect the large quantity of wires required. Once the turn on wires were properly routed, I installed wire loom. I neatly tucked the harness away from potential harm, and zip tied the bundle securely.