In the process of a kitchen remodel. I have a dedicated 20 amp circuit for the dishwasher and a dedicated 20 amp circuit for the garbage disposal, both under my sink. They are protected by AFCI breakers. I plugged in our (6 year old) dishwasher that had been sitting outside for a while to its circuit and as soon as it started it tripped the circuit. Tried again and same thing. I plugged it into the garbage disposal's circuit and the same thing happened. I then took an extension cord and plugged the dishwasher into one of the kitchen small appliance circuits (20 amp, GFCI breaker) and it works fine. I plugged a shop vac into the dishwasher circuit and it worked fine, as did the garbage disposal on both circuits. I then swapped out the AFCI breaker on the dishwasher circuit with a GFCI thinking that was the problem and the same thing kept happening. Any idea whats going on and/or how I should proceed figuring this out?

I'm putting a GFCI plug in my bathroom (which currently has no outlets). There is only one set of wires connected to the switch (the white and black are both connected to the switch in its current setup). When looking at the light, the blacks front the light are connected and the whites for the light are connected to the red. I'm a little puzzled. Thought the white is a neutral and not to connect to the light switch itself? Any thoughts on how I can integrate an outlet in this? Thanks!