Yep, that is where the switch threads in. Hopefully that plug they used is the proper thread. Switches were the same for a long time and available at most (Decent) auto parts stores.you will lose the oil so be ready and quick or drain the trans first.Swingn’
Ahh I’ll see if I can find one near me tomorrow it’s got no oil in it now but I might just pass on it then cause I’ve got more important jobs to do rn. Thank you though I definitely wouldn’t have found it