Re: No start until relay clicks near ECU - Saab 900 Bulletin Board - Saabnet.com
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Re: No start until relay clicks near ECU
Posted by Simon S (more from Simon S) on Sun, 28 Mar 2010 15:18:26
In Reply to: Re: No start until relay clicks near ECU, Brian Capouch, Sun, 28 Mar 2010 12:57:34
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The first one, the main system relay, is triggered by the key, the second, the fuel pump relay, is triggered by the ecu when it starts getting an ignition (crank position) signal.
I bet whats going on is there is a bad contact in the main system relay. When it doesn't make good contact, the fuel pump relay never gets a trigger signal.
I don't remember if its possible to reach without the knee bolster removed. its not that bad to do, but a bit of a chore since the center console has to come out. At that point its just pinned in with two bolts from the engine bay (look down by the door hinges from the front), you should be able to search here for someone's writeup.
posted by 24.21.131...
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