Go to the hardware store and buy some dishwasher inlet hose. It comes in various lengths and is braided stainless.
Cut off a length that you need with a Dremel. Don't use a hacksaw as it will cause to much fraying. Make it a bit longer as the ends will unravel a bit.
Compress the stainless steel sleeve so that you can remove the inner tube. Just like the Chinese handcuffs.
Remove the connectors from the wires and thread the wires through the ss sleeve.
I also put shrinkwrap on the ends to help prevent the sleeve from unraveling.