Starter engages when I hook up the battey??

I didn’t even know how to search this problem so I’m just gonna ask.

94 fourtrax 300 4×4

So last weekend somehow I bent my rear rack. I took it off to replace it and figured when I was at it I’d go ahead and change out my green plastics for the tan ones I have in my shed.

Well after I swaped out the rear plastics and rack I tried to hook up the battery and the starter engages. No key in the ignition and everything is off.

Did my starter solenoid go bad somehow?

What can I check?

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