need help with Spektrum rx problem

On the plug where the ESC plugs into the receiver. If I push on the plug everything works correctly. After I hit a few bumps it stops working correctly. It comes down to, it's either a problem with the rx or with the plug. Where should I go from here? Should I just replace the rx? By the way is a 2ch sr3000.

[Arct1k]

Carefully spread the wires on the servo lead and use a zip tie round the spectrum to hold in place..,

I did a little further testing. I hooked up a servo to that channel that I'm having problems with. The servo worked perfectly. I can wiggle the wire all day with no problems. The problem must be in the wire that goes to the ESC or the ESC itself.

Ok just found one of the wires that goes to the receiver was broken on the inside.

[Arct1k]

perserverance wins!