I was told if you submerge them they short out. I think this is what happened to mine.. is there any suggestions on what I should do? I heard Downey offers a cable pully kit that works with it so you can bypass the electrical.

 

I would start by taking the motor off and leaving it hooked to the wiring harness - flip the diff lock switch - if the motor turns - it's not electrical. Also, with the motor out - stick a screwdriver into the hole in the diff and manually slide the little gear over to the left into the lock position - if you can do that - and it locks in then you know it's the motor.

 

by the way, I had a problem with my locker and here is the thread with some pics that might help you....

https://www.yotatech.com/forums/f2/e-locker-wont-engage-25217/

 

That was the definitive thread for locker problems.
I would fix the locker rather than go for some mechincal bandaid but that's just me.