View attachment 219812
This is the connector I used and it fits snuggly into the factory switch. You can find these in any old donor computer case or at Frys/Microcenter.
I used a 2.54mm pitch 3 pin connector from amazon and it worked fine. Just wrapped in electrical tape to secure since it doesn't click in.
https://www.amazon.com/gp/product/B07TB8QXMC/
thx
Kevin