Been trying to figure out why my Reverse Lights won't work, I've replaced the Park-Neutral Safety Switch. So is there anything else that might make my reverse lights totally not work.

And before someone says replace the bulbs. I have.

 

you could have to buy another tail light harness for your car it might have a short in it

 

The fuse for the reverse lights might have blown

 

On my old Neon that I had, I replaced that switch 2 times and both times it worked a few times and burnt out the switch. I gave up on replacing it again.