2011 BF225 disconnected plug Identification Help

[jacky2942]

I found there is un-connected plug on left side of my BF225 as shown in the picture and couldn't find where to plug it in.

What is this plug and where to connect it?

 

[iang6766]

It's the main power supply to the main relay, your battery cable from battery should have a thinner cable along side the main cable tk th starter with a mating plug to the one you're showing.

 

[jacky2942]

My motor seems running fine without the plug connected. Is that normal?

 

[iang6766]

May have been made redundant, don't worry if it runs