'94 ECU into a 900 turbo.....a few questions for folks - Saab 9000 Bulletin Board - Saabnet.com
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'94 ECU into a 900 turbo.....a few questions for folks
Posted by 99sven [Email] (more from 99sven) on Sat, 4 Jul 2009 11:05:23
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I have installed a T5 system from an 94 9000 non-traction control 2.3 into my '88 900 turbo. OK, everything is hooked up and it looks good but the ECU will not ground the relays via pin 31 and pin 56 according to the diagram. I wired up the relays exactly as the diagram, 3 hot leads and one switched lead.
When you first switch on the key I get initial power to fuel Pump and relayed controled items but it times out after a few seconds. If you try it again it will not work. Wait 15 minutes and it will repeat the above scenario.
Main grounds are good. By the way, check engine light comes on for five seconds or so. Comes on everytime the power is switched on. I swapped in another ECU and it still shuts down after a few secs.
What could be shuting down the ECU? Ideas?
Gregg
posted by 97.126.116...
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