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Dave 37 - ideas for your CEL troubles?? Posted by JimBlake [Email] ![]() ![]() ![]() |
Dave 37...
I looked at your older posts, & you've had your ECU replcaed. Got a part # from it? I'm just making a wild guess that maybe its from a different year? Or maybe one or two pins are not seated tight in its connector?
I've only got the books up thru '89 since I don't own a '90. I could list which wires are supposed to be connected to which pins of the '89 ECU, but I don't know what's different for '90. If somebody could list them for '90 then you could check to see if everything is connected.
Other than that, I could second-guess the grounding switch that you made... What kind of fuse did you use (how much resistance)? Where do you get a ground point? Are you sure your connection doesn't touch any other pins in the connector under the backseat?
I think you're looking for a grey/white wire which comes from pin #16 of the ECU. You could check the continuity of this back to the ECU; but since it makes the CEL go out I suppose its the correct wire.
If the switch is sloppy, maybe it goes on-off-on when you think you're just turning it on?? I just use a wire which I touch to the metal bracket. If it "bounces" when I touch it, the CE light goes off but never flashes back on. Just like yours does...
posted by 131.184.14...
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