Wiring help - grounding point 11 for 96/97 model year
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I can't find a ground point near the ECU connectors. I hope this was not cut out in an attempt to get rid of various clutter. If anyone has a picture on the chassis where it's mounted as the diagram appears to show around then passenger rear somewhere on the floor. I believe it was taken out as part of the rear O2 wiring being removed. Looking at the wiring diagram it appears to be on the 4Z and 3D ECU pins.
I need someone who is knowledgeable to confirm that this ground point being deleted should not cause any problems. Really appreciate some input as I am losing sleep over this and trying to go over everything before the first start on new build and new to Megasquirt. Thanks you in advance |
I believe that's for the dash harness, and should be grounded on the dash bar.
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Curly. my diagram tells me that grounding point 11 is for rear O2 sensor and seems to be the only one. I checked the dash harness is grounded on each side of the rollbar - #7 and #8
according to the book. The book reference is different than Mellens PDF diagrams. |
My 96 has a ground wire on the harness right by the ECU behind the passenger seat. I can't see your diagram clearly because I'm using the mobile app and am not near my car to take a picture, but there is one back there.
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I looked this morning and the ground is not on the ECU harness, but on the harness that runs near the ECU and goes towards the trunk.
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Thank you. This confirms to me that the harness crossed over on the parcel shelf and over to O2 sensor by the drivers lap belt.
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