Check the wiring first, one is ground, if you unplug it you should get a low code, if you jumper it you should get a high reading code and a check engine light. Last spring I had a engine light on a 95 buick, tps code, was running kind of crappy, changed tps and thats when I started having high idle problems, just setting there would speed up to 1500 all by its self, shut it off and restart and it would be good, changed the air idle controller, didn't help a bit. Messed with it all summer, talked to a friend at GM said throw that CarQuest tps away and put a GM one on, I thought ya-right. He WAS right, the Car Quest part was no good,new GM one and all problems gone, car hasn't run this nice in a long time!! Messed with that darn thing for 4 months.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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