While a lot of time and effort is being expended tracing and connecting wires, it doesn't lend itself to pictures. Here is a bundle of wires that are the extended original wiring harness all neatly labeled as to function. They will be landed in the junction box to numbered connections. From the junction box, the circuits go to the fuses/relays and then on to each function. All of this is also being drawn and labeled on a revised coach electrical schematic drawing. The blue spot behind the fuse panel is the Banks engine tuner. Hidden beside it is the Banks Speedbrake controller that creates/controls the exhaust braking system. The remnants of the original wiring harness that can be seen on the right will disappear.
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