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

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Author  [Modern View]

12-02-2012 12:37:17

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This is what I have determined. When I remove the relay from the starter, ground the body of the relay to the frame and push gear selector to start I get 12.54 volts between the starter side of the relay and a ground. When I hook up the starter into the system and put my tester on the starter side of the relay and the other side of the tester to ground I get 0 volts. It would seem to me that the relay will not switch the power if it is underload. It just makes this buzz/click sound.

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12-02-2012 13:09:22

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 Re: Case 430, buzzing relay, won't crank. in reply to hondaracer2oo4, 12-02-2012 12:37:17  
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using your tester, start at the battery post and check each point of connection with the starter buzzing and see where you lose 12V , should be an easy one.

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