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Thanks guys but its not the belt. The power use gauge fluctuates in perfect harmony with the bucking of the tractor. Opened up the behind the dash where the fuses are but found no card(s) on my E12. Either I'm looking in the wrong place or there are no cards. Does anyone have an E12 service manual and/or any ideas on where to go from here? Is it a bad connection somewhere in the field weakening circuit or possibly something else? Thanks for any specific suggestions I might be able to follow and try out. Richard "Zack" Zachary E12 Hazen, Dwight L wrote: You will need the service manual from Bill Gunn or ask on the mail group. My E12 has no circuit cards. If I get a chance I will look in the service manual and try to figure something out for you. I need to fix My E12 as I blew a diode (again) that's in the reversing circuit. The tractor only runs in reverse right now. The E12 is my back up tractor and I have not needed it this summer. I use the batteries in it as a backup for the UPS system for the house. I have a cord and connector system to connect between the tractor and the UPS battery bank. They all use the same golf cart batteries so it's a good match. With out the service drawing it's hard to figure anything out about the wiring on the tractors. Even with the drawings it's still hard! Dwight Dwight L. Hazen, Indiana University, UITS Bloomington, In. 47408-7378 812-855-5367 IP phone 812-856-9229 hazen indiana edu http://php.ucs.indiana.edu/~hazen/ Ham Radio wb9tlh arrl net http://wb9tlh.ampr.us "The complexity of your life is directly proportional to how many gas engines you own - 2 cycles count double." -----Original Message----- From: Richard Zachary [mailto:njcfsa earthlink net] Sent: Monday, November 10, 2003 2:55 PM To: Hazen, Dwight L Subject: Re: (ET) Tractor ride not smooth Hi Dwight, Thanks for the response. I am a novice at this having just gotten the E12 in June and have little background experience. Anyway, went out and tested it and yes, the load meter bobs up and down corresponding to the movement of the tractor. Was able to look under and see that the drive motor pulley was clear of the wiring, so that, at least, eliminates that. As to field voltage, I went to the "Home Owner's Service Manual" that came with the tractor and tried to find info on field weakening. Found some info for the E12S that shows a card #1 and a FW connection. But when I opened my E12, I couldn't find the card #1. Doesn't look like the E12 has such a card or its located some place else. Can you give me any specifics on where to look for a loose connection? I think the reverse relay should be on the back of the dash panel on the left side (away from the speed control). What do I do with this reverse relay when I find it? Don't be afraid to insult my intelligence by being overly specific. ASSUME THAT I KNOW NOTHING. Thanks very much, Richard "Zack" Zachary Hazen, Dwight L wrote: |