I started this project about two years ago and finally got around to finishing the wiring. I cannot get the engine to fire off. It is getting a signal (timing light flashes) but it will not start.
I had the factory harness that I'm using run on an engine stand WITH the ECU and distributor I'm using. So I know the harness, ecu, and distributor work. I have a 4.0 flywheel on the engine.
If it matters, it's an OBDI setup from a 1991 Cherokee. I have the OBDI distributor installed (old style, pickup under stator).
I tried and tried and tried to find a decent post about the cps sensor location and bracket. I remember using one to make the bracket (probably Martysocal one, but I cannot find any of his old stuff). I also can't find a single picture of where the pickup would be in reference to the flywheel timing marks are. Info on where it should be on the fourth mark range from "the center" to "trailing end."
In case anyone wants to point out my obvious mistake if you see it, please do. This is a picture of where my pickup is at *4BTDC. The lower red line is on the fourth tab on the flywheel. The upper red line is on the long solid area between sets of tabs. I thought I kept reading that you set the pickup at *4BTDC. I think I'm too far past the fourth mark?
If anyone has any old pictures or current links to any of Martysocal's stuff I' love to see them. I haven't had any luck myself. I've found plenty of broken links and a few pictures with watermarks so big they're useless.
CPS position?
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mrtappan
- Noob

- Posts: 15
- Joined: July 9th, 2023, 6:15 pm
- Stroker Displacement: 4.6
- Vehicle Year: 1984
- Vehicle Make: Jeep
- Vehicle Model: CJ7
CPS position?
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