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Originally Posted by phillyzj
how did you get all the electronics that you needed?
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My engine was a complete engine, with clutch flywheel wiring harness etc.
The only thing that prevents the engine from running right now are the ECU and APPS.
I have sourced an ECU and a guy in the UK is holding it for me while we find me an APPS unfortunatly for me the KJ I got my ECU out of had the APPS stolen.
At worst case scenario I have to spend 100 pounds for a new APPS in the UK.
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Originally Posted by Timmay
That's not bad at all. Hell, I spent that on my 3550. I might need you to help me find one.
Colin, you can make your own APPS for about $40. I'm thinking about doing it on the cummins because the stock one blows.
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Or just grab an APPS from any number of drive by wire cars, heck toyotas and Jeeps share the same APPS unit now.
So the last bit of engine management stuff I need is an APPS. There is a diesel XJ that I could get the APPS out of, as you can see in the wiring diagram below they only differ by a single pin(which could be moved), the real concern is if the APPS returns the same voltage between the two.
(an Accelerator Pedal Postion Sensor is basically just a big POT=Potentiometer)
Now I could use a 05+ CRD POT, which indecently is shared by newer toyotas, but it would take a good deal more work to ensure I got the right voltage out of the pot.
So for reference:
So even if the XJ APPS does not return the same voltage a variable resistor connected inline could allow me to play around with it so that I got my throttle input right.