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RUNNING FACTORY ECU WITH AFTERMAKET??? 

 

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 Post subject: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Mon Mar 21, 2011 8:39 pm 
Tyre Shredder
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Ride: BLOWN 347 EB GT/ BF XR6 TURBO

Power: 345 rwkw

Location: eastern creek
NSW, Australia

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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 Post subject: Re: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Mon Mar 21, 2011 8:42 pm 
Getting Side Ways
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you mean piggy back?

 

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 Post subject: Re: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Mon Mar 21, 2011 8:49 pm 
Getting Side Ways
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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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 Post subject: Re: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Mon Mar 21, 2011 10:05 pm 
Tyre Shredder
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Ride: BLOWN 347 EB GT/ BF XR6 TURBO

Power: 345 rwkw

Location: eastern creek
NSW, Australia

you sure ??? im gunna try will let you know

 

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 Post subject: Re: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Mon Mar 21, 2011 10:10 pm 
Getting Side Ways
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Location: melbourne
VIC, Australia

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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 Post subject: Re: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Tue Mar 22, 2011 2:40 am 
Getting Side Ways
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Ride: EL XR8, '08 Mondeo XR5t

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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?

 

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 Post subject: Re: RUNNING FACTORY ECU WITH AFTERMAKET???
Posted: Thu Mar 24, 2011 9:25 pm 
Tyre Shredder
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Ride: BLOWN 347 EB GT/ BF XR6 TURBO

Power: 345 rwkw

Location: eastern creek
NSW, Australia

solved problem just supplied factory ecu with tacho output signal from MSD yay we have fan and a/c control and cruise yayay :D :D :D :D :D and dash tacho works and everything

 

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