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Generators In this forum we will try to answer any of your questions about the different model generators that can be found on Blue Bird coach's.

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  #21  
Old 1 Week Ago
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Quote:
Originally Posted by Steelwheels View Post
The relay I’m using on my fan is a beuler bu-5083-0000 normally closed, they must have the same setup normally open.
From what I am finding the relay you have is a 5 pin relay? That means it has a Common connection and Normaly Open and Normaly Closed points.
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File Type: pdf RelayDiagram.pdf (23.7 KB, 13 views)
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Last edited by gcyeaw; 1 Week Ago at 03:51 PM.
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  #22  
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Thanks, I’m still getting a understanding of how relays are set up.

So just wire it up like you drew it up ?
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  #23  
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Quote:
Originally Posted by Steelwheels View Post
Thanks, I’m still getting a understanding of how relays are set up.

So just wire it up like you drew it up ?
Yes, however, some of the relays have a diode in the coil circuit to eliminate negative-spike when the coil voltage is shut off. So you need to make sure the positive and negative coil leads are on the right terminal.
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Last edited by gcyeaw; 1 Week Ago at 03:53 PM.
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  #24  
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From what I have found the ground/negative side of the coil is pin 85. So pin 86 should be connected to the wire that supplies positive power to the coil to pick the relay. Not all relays have a negative-spike component and those don't care which coil connection is positive or negative.
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  #25  
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I got everything wired up today, and everything is working as it should, both relays are working.

Originaly I had the fan negative run directly back to the (-) on the power supply,
I spiced into that negative and grounded it to the generator.
My battery relay is also grounded back to the generator.

When I tested the function of the battery to power the fan the relay R2 was buzzing pretty loud, I’m guessing because the voltage from the battery was low, I was not running the generator at that time, but I’m not sure.

Any ideas on that ?
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