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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum

White 2-150 tach

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Author  [Modern View]

03-28-2020 17:07:41

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I have a new to me white 2-150 and the tach isn t working. Have a new tach and has a white wire that goes to stator tap on alternator. I can t seem to find the tap it s a delco 3 wire. Any ideas

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03-30-2020 18:34:03

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 Re: White 2-150 tach in reply to Bgoranson, 03-28-2020 17:07:41  
it does have a external oil pump too

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03-30-2020 18:32:15

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 Re: White 2-150 tach in reply to Bgoranson, 03-28-2020 17:07:41  
the alternator only has 2 spades and I don t see a extra wire in the harness.

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sodak farmer

03-29-2020 06:35:51

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 Re: White 2-150 tach in reply to Bgoranson, 03-28-2020 17:07:41  
Here’s a diagram that has a mechanical drive tach. If your alternator doesn’t have tach terminal then a couple of things could be going on. Alterations I mean. Some are mechanical and some are electrical.

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03-28-2020 20:04:52

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 Re: White 2-150 tach in reply to Bgoranson, 03-28-2020 17:07:41  
It may not have a tach terminal. If it does there will be a third spade where the two alt. wires plug in. That will be your tach output. The early 2-150s had a mechanical tach. When they eliminated the cam driven engine oil pump and replaced it with an external oil pump they went to an electrical tach. An electrical shop should be able to add a tach output terminal.

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03-28-2020 17:11:42

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 Re: White 2-150 tach in reply to Bgoranson, 03-28-2020 17:07:41  
tractor had original tach and only had a ground wire and a key switched power wire. A wiring diagram would be appreciated if any one has one

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