4-Speed Trans Leak @ Backup Light Switch?

Hey Guys,
I have a few small leaks on my 4-speed trans ('70 B-Body). One looks like it might be originating at the Backup Light Switch...

Just wanted to check with you guys to see if this is a possible or common leak area (is there is seal or gasket inside this?). And if so, would the recommended course of action be to replace the entire light switch or are there replacement seals/gaskets?

Thanks a lot!

I've seen more leaking through the switch than actually leaking at the gasket. Come to think of it, every leak I've had has been right through the switch.

Ok, thanks a lot for the info.

Does anyone know if the replacement manual trans backup light switches come with gaskets (if they are needed during replacement?) ?

Also, do I need to drain my trans before removing the old one? Or is the level of this switch "above" the fluid level when the car is sitting flat?

Thanks !

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Ok, thanks a lot for the info.

Does anyone know if the replacement manual trans backup light switches come with gaskets (if they are needed during replacement?) ?

Also, do I need to drain my trans before removing the old one? Or is the level of this switch "above" the fluid level when the car is sitting flat?

Thanks !

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A reverse switch gasket is usually not included with aftermarket switches.

Park the car on a downslope (or jack up the rear) so most of the fluid flows to the front of the trans when you get around to changing it.