Painless Wiring Help
If anyone has found replacements, I've never heard. But the ignition, especially, is prone to damage from higher current. I would be tempted to find another (new) connector, this can be "anything" that can handle the current, Molex, GM OEM, Cannon, Amphenol, whatever
Mine is dash mount, and the switch will only trigger relays, so not an issue, for mine