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Message: [QUOTE="markfuga, post: 993532, member: 10964"] EVTM = Electrical and Vacuum Troubleshooting Manual. Buy it for the donor truck (doesn't hurt to have it for the Bronco if you can find it) and study it. It takes a while to understand how it's laid out and how to follow along, identifying circuits, etc. Once you understand it you'll have no fear cutting wires. From an electrical perspective what you want to do it eliminate all uneeded wires from the donor and get down to just the wiring needed for the engine/transmission (axle shift, AC other?). You want to have 3 wires "hanging loose" when you're done: constant +12v, switched +12V and the starter wire. The 79 Bronco body will bring over all the wiring needed for lights, tail lights, wipers, windows, horn etc. When you drop the Bronco onto the donor you should just be wiring in the 3 circuits mentioned above. What you'll probably find (I'm not familiar enough with 6.0 trucks) is the constant +12v is pre-existing through the main 6ga wire coming into the underhood fuse box, leaving just the switched +12v and starter wire to deal with. The constant +12v is just for the PCM keep alive. I have no thoughts on retro fitting the dash in terms of effort required since I'm not familiar with the two dashboards. If you can get it to fit then it will make it easier getting gauges and speedo working again. Speedometer may be the biggest challenge since the Bronco is cable drive and the donor is electronic. I had this issue with my swap and I didn't want to replace or modify the dash so I bought a GPS reciever and motor drive unit (Dakota Digitals GPS-50 and ECD-100) to drive the cable driven Speedometer. [/QUOTE]

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