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| EBI347 |
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has anyone run aftermarket ecu in tandem with factory ecu in el v8 as i was wondering if factory ecu will still control a/c and fans and speed sensative steering if i have it still hooked up with out any engine sensors hooked up it still reads speed and ect temp any one else done this before??
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| bry40l |
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you mean piggy back?
_________________ BF XR6 |
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| Dansedgli |
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The stock ECU wont work if it doesnt see any signals. You need to share them and add 2nd sensors where appropriate.
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| EBI347 |
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you sure ??? im gunna try will let you know
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| Dansedgli |
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Sorry I think I misread.
It will do aircon, fans and speed sensitive steering as long as it has water temp and speed hooked up. |
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| Scaffy |
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I bought an EL XR8 with Haltech installed. I'm pretty sure they chopped into all the sensors, ignition and injectors, whilst everything else still ran. When it came out, I left all the fiddly stuff to someone else, so I can't tell you 100% whether they spliced into the sensors or cut them.
Maybe it would pay to keep the ECT going to the EEC as well, as Dansedgli suggested. I didn't think there was speed sensitive steering in the EL XR8, so you won't have to worry about that. Or are you running it in your car?
_________________ Trickflow Street Heat top end kit, 70mm BBK TB & EGR, 24lb injectors, Underdrives & 3.73s: 275rwhp - 13.15@105mph NA / 12.37@116mph N20 |
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| EBI347 |
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solved problem just supplied factory ecu with tacho output signal from MSD yay we have fan and a/c control and cruise yayay
 and dash tacho works and everything
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