Hi folks,

I'm having an issue where the thermistor and endstop connectors will fall off the RAMPS board. I have my RAMPS board mounted 90 degrees on the side of my frame.

The connectors have almost no friction with the pins. I think they slide off just from the vibrations of my printer.

Are there any sort of locking connectors I can purchase? Or other ideas?

Thanks!!

They should have enough friction to where they won't fall off. If it were me, I'd cut the current connectors off and solder on new ones. Pololu has all the connector housings that you need as well as pre-crimped wires that can be easily inserted into the housings.

Let me try the precrimped connectors. Maybe I did the crimping incorrectly.

Thanks!!

You may have put the pins in the plugs the wrong way round, it's easy to do, they have a little raised hook that retains them. Pull them out give them a little tweak they should hold the pin.