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Case Tractors Discussion Board

Re: Case 430, buzzing relay, won't crank.

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Posted by hondaracer2oo4 on December 02, 2012 at 12:06:32 from (

In Reply to: Case 430, buzzing relay, won't crank. posted by hondaracer2oo4 on December 02, 2012 at 10:20:59:

JGardner, Thank you for the reply. I believe the tractor is about a 65. The Positive side of the battery gets grounded. The negative side goes down to the starter relay. I have found that I took the starter off of the tractor and hooked the positive side of the battery(grounded to the frame of the tractor) to the body of the starter. I connected the Negative side of the battery to the post on the starter and the starter spun fine. I tested the relay by energizing the signal side of the relay which made the relay click and gave positive continuity of the starter circuit posts. But when I hook the relay back up to the starter when it is off of the tractor it will just buzz and click click click click when you push the gear selector to start. Is it possible that the relay is failing to switch the power under a load, thus the relay is actually bad even though it will switch under no load? Would I be able to pick up a starter relay that is appropriate at an auto parts store? Thanks.


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