Thermo switch

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ddaigle

Petty Officer 1st Class
Joined
Feb 9, 2004
Messages
332
1971 60 horse johnson, Have 2 wires going to bottom of cylinder head. Manual says they go to thermo switch, but nothing else. What the heck is a thermo switch and can I disconnect it without harm?
 
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Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: Thermo switch

It was intended to partially close the choke when the motor was only warm. <br /><br />Good theory, huh? <br /><br />They later sent out a bulletin saying to disconnect that thing.
 
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ddaigle

Petty Officer 1st Class
Joined
Feb 9, 2004
Messages
332
Re: Thermo switch

Thanks DHadley, finally have this motor running good after mucho problemas and stupidity on my part. But you guys have straightened me out and helped me an amazing amount. Can't thank all of you enough. :D :D :D
 
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Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: Thermo switch

The smiles are thanks enough.<br /><br />We're glad its working well!
 
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peiboy

Cadet
Joined
Sep 25, 2004
Messages
9
Re: Thermo switch

Dhadley, do these wires run from the junction box around to the other side and into the engine block. Where they go into the block there is some sort of rubber gasket around. Wires like that corroded off my 72 50 hp johnson and i was wondering what they were. Engine seems to start and run fine with the muffs .
 
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