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JDM ECU Swap 5810 to 5808


Dale
Newbie


Galant VR-4 org Post #: 1230098 posted 07/08/16 07:18 AM     Remind Me!  Send Private Message   Edit Post      
I have an A-spec HH, 5810 ECU was faulty and wouldn't start car. I got my hands on a 5808 ECU. Has anyone swapped these before. I'm aware that it's a RS ECU and therefore requires 510cc injectors. I need info on wiring/pin changes. Do I need to swap 6 & 14? What about ABS & Fuel Pump signal wiring changes? Seeking help as this ECU is in excellent condition and I don't want to damage it. Any help will be appreciated.



1990 Aus Spec HH vr4
Jap Spec 4g63 Built Motor

Posts: 13 | From: Brisbane, QLD | Member Since: 06/18/14 | IP: (101.183.237.204) | Report this post to a Moderator

kumfasa
Member


Galant VR-4 org Post #: 1230099 posted 07/08/16 08:03 AM     Remind Me!  Send Private Message   Edit Post      
This may be helpful. click



Even the wool your trying to pull over my eyes is 95% polyester.

Posts: 125 | From: Tauranga, New Zealand | Member Since: 02/28/15 | IP: (81.232.125.104) | Report this post to a Moderator

Dale
Newbie


Galant VR-4 org Post #: 1230101 posted 07/08/16 08:36 AM     Remind Me!  Send Private Message   Edit Post      
Thanks, after looking at that I gather I don't have to swap 6 & 14. Install 510cc injectors, swap ABS (11Aus to 13 J-Spec). Any idea what to do with fuel pump drive signal?



1990 Aus Spec HH vr4
Jap Spec 4g63 Built Motor

Posts: 13 | From: Brisbane, QLD | Member Since: 06/18/14 | IP: (101.183.237.204) | Report this post to a Moderator

kumfasa
Member


Galant VR-4 org Post #: 1230110 posted 07/08/16 11:04 AM     Remind Me!  Send Private Message   Edit Post      
I'd be inclined to leave it and see if the fuel pump runs as it should. If it does good, if not then I'd jump 13 to 56.



Even the wool your trying to pull over my eyes is 95% polyester.

Posts: 125 | From: Tauranga, New Zealand | Member Since: 02/28/15 | IP: (81.232.125.104) | Report this post to a Moderator

Dale
Newbie


Galant VR-4 org Post #: 1230143 posted 07/09/16 05:30 AM     Remind Me!  Send Private Message   Edit Post      
Swapped ABS pins, left fuel pump signal pin disconnected. Fired up ok, seems fine without it. Thanks for your help. I can run in my motor and clutch now.



1990 Aus Spec HH vr4
Jap Spec 4g63 Built Motor

Posts: 13 | From: Brisbane, QLD | Member Since: 06/18/14 | IP: (101.183.237.204) | Report this post to a Moderator

kumfasa
Member


Galant VR-4 org Post #: 1230145 posted 07/09/16 09:10 AM     Remind Me!  Send Private Message   Edit Post   
Glad to hear it.



Even the wool your trying to pull over my eyes is 95% polyester.

Posts: 125 | From: Tauranga, New Zealand | Member Since: 02/28/15 | IP: (81.232.125.104) | Report this post to a Moderator


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