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Old March 15th, 2018, 11:08   #36
evguy1
 
Join Date: Feb 2014
Location: Erington, BC, Canada
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I don't want to hijack this cool build thread.
Mine is here: http://forums.tdiclub.com/showthread...&highlight=JKU
On all the swaps I do I leave the original ECU in place to run the dash and other systems like ABS. So many systems are all interconnected on modern vehicles. If you remove one part of the system then often the other parts stop working as well.
I installed the oil pressure and water temp senders from the Jeep into the TDI and it all works. The tach also requires a cam sensor input but most often you can just take the crank sensor output, run it through a Digital Dakota box and its close enough to fire up the tach. It does not use the cam sensor to run the tach so it does not have to be accurate. I think it just uses the cam signal to confirm the engine is running??
I don't have the tach working on my JKU swap yet as I have not had the Jeep back long enough from my kid to install the DD box. ;>)
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