Measured the wiring run from the left side of the airplane to both the left and right sides of the firewall. I already put a hole in the right side of the firewall. The problem is tha thte wires for the egt and cht will not run from the EIS box all the way to the connections on the opposite side of the engine from where they come out of the firewall. No matter which side I have the wires come out on, I will still have to extend 8 wires. So, I might as well use the hole that I created.
I routed the wiring for both EIS harnesses from behind the panel along the z bracket where the existing wiring is secured with adel clamps, down to the battery compartment, throug the compartment and out the hole in the firewall. I used plastic conduit on the portion of the run through the battery compartment.
I installed firesleeve on the stainless steel fitting with a stainless steel hose clamp.
