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Non - Specific
Engine Conversion
My tow pig/DD build thread. F350/Cummins 6.7/twins/6R140
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[QUOTE="me2, post: 332167, member: 3825"] In case I've driven some of you to roll your eyes over and paint this swap as hopeless, not everything I'm proposing is new to me. Except the 6R140 controller. That will be completely new to me. Luckily it has a mechanical limp mode ! LOL LOL LOL Here is the circuit that ran the throttle on my '99 swap for the first 3 years of its existence. [ATTACH=full]86359[/ATTACH] It converts the 0.8 to 4 volts(?) from a Ford APPS (TPS in Ford land) to the 05 Cummins ECM throttle input voltages. It totally ignores the idle validation switch ! It worked well but didn't like car washes and didn't handle cruise control or AC. I built this circuit because when my 05 CR arrived I found it didn't have an APPS like the other CRs I had seen and the engine mounted APPS units were expensive and on back order at the time. And nobody could tell me if the output from an 03.5 APPS would work with the 05 CR. As a matter of fact, I still don't really know. Like I said, school of hard knocks. This is the circuit that is running the throttle, cruise control and AC compressor on my current 5.9CR swap. [ATTACH=full]86360[/ATTACH] This is a micro processor based solution. It took a day or so to make. All of the inputs and outputs are analog. I had to splice into several Ford wires to hook it up. It would have 1/3 the wires if it was getting its inputs and controlling things via the CAN Bus. So the big difference between what I've done in the past and what I want to do with my 08, is that instead of hard wiring stuff into the controller, I want to read and write CAN messages. Which I think will make things dramatically easier. If everything went perfectly, the only wires I'd have to touch on the truck itself would be connections to the CAN Bus. We'll see how things play out as we go forward. Edit. Correction a couple posts above, a Cummins APPS is 6 wires, not 4. [/QUOTE]
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My tow pig/DD build thread. F350/Cummins 6.7/twins/6R140
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