Extend/Retract switch

Try this link:
https://www.carid.com/stromberg-carlson/extend-retract-switch-mpn-7145-226023.html?view=417834&gclid=EAIaIQobChMIrvrjn4rx2AIVyoKzCh2sEwmuEAQYAyABEgKObPD_BwE

Cut and paste to your browser, 39.24 is the price.

Here is another one:
https://www.ebay.com/i/181789462982?chn=ps

Or here. Google shows other options.

Can you spray some WD40 into it? Might save the cost of a switch. I've done that a couple of times for the rear switch that gets road spray from the TT tires. I also enclosed it in a plastic electrical box to reduce the spray. Front one has never been a problem.