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 New BD 4500 question.  
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Post New BD 4500 question.
Just got my new motor last week and was looking it over with a friend today when I noticed this. Can anyone tell me what it is and why it's not hooked up?


Tue Sep 20, 2011 4:54 pm
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Post Re: New BD 4500 question.
Idk what its called but right under your breather tub there is suppose to be a hook-up for that. Suppose to be where that square head bolt goes. Maybe a expert can chime in

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Tue Sep 20, 2011 5:10 pm
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Post Re: New BD 4500 question.
Judging from the location, my best guess is that wire hooks to a low oil sensor (which usually comes on all new MB motors, however it isnt there). However the wire that hooks to the low oils sensor is usually green, and I cant blow the pic up but it looks purple.

Where does it come from (on the other side of the motor)?


Tue Sep 20, 2011 5:14 pm
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Post Re: New BD 4500 question.
the cdi's dont have a low oil sensor. at least mine doesnt.


Tue Sep 20, 2011 5:18 pm
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Post New BD 4500 question.
Thats what I thought it was an oil pressure switch like my old one. It's black comes from the harness on the other side of the motor


Tue Sep 20, 2011 5:19 pm
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Post Re: New BD 4500 question.


Tue Sep 20, 2011 6:05 pm
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Post Re: New BD 4500 question.
I'm sure you can get one from mb or even briggs. Cheap insurance imo

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Tue Sep 20, 2011 6:14 pm
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Post Re: New BD 4500 question.


Tue Sep 20, 2011 6:15 pm
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Post Re: New BD 4500 question.
My 45 mag is the same way. The wire is just zip tied up. Don't know why.

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Wed Sep 21, 2011 4:43 pm
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Post Re: New BD 4500 question.
And mine is green.

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Wed Sep 21, 2011 4:44 pm
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