Dynaco PAS-3 rear panel replacement

Decided to replace the rear RCA connectors on my PAS-3.

I bought the kit from dynakitparts - https://www.dynakitparts.com/shop/pas-rca-jack-kit/

The question I have is - dynakitparts Output ground is directly connected to the rest of the ground plane, whereas in the original design it was separated by 10-Ohm resistors. Should I cut the ground traces on the board, and install the 10-Ohm resistors?

Thank you.

Photo here: https://photos.app.goo.gl/TFbWa2S2nft1TY3WA

I installed dynakitparts backplane as is, without 10-ohm resistors between grounds. Everything works great.
Now need to figure out how to update the phono wiring, since it starts humming (without music) at around 1 o'clock on the volume dial.

Opened PAS-3 again. Phono used to hum starting at around 12-1 o'clock. Now after I removed loudness taps from volume and replaced rear panel, it starts humming at 10 o'clock...

What I am doing now: I will disconnect phono grounds from main grounds (remove jumpers). So now two black wires coming off each channel on phono board will go to 'dedicated' negative on its own channel on the back panel.
I will also twist right/left phono wires between inputs and selector to see if it helps.

Any help on how to improve on this hum would be very helpful. Thank you!

Here is a photo of updated wiring so far: https://photos.app.goo.gl/BcwwspGBXD2Luxm39