It's a harbor freight winch old style . Your missing the control box ..
The two Terminals ones hot ones ground .
It's probley dead
Here's a pic on my 10,000 pound
Ranger truggy build
Nice I got one I'm build'n to or I started last year . Lol .... it's on a '79 bronco frame mine has a 351w on pane c6 going to start with dana 44 and 9" with 5.38 gears 42" tires . 4" lift coils front air shocks rear .. I cut all the inter fenders off just using the fender...