futaba glitching on a baja

[pinkpanda3310]

I have a friend with a 3pm (spelling?) and gets a bit of glitching so I suggested ferite rings on the electrics and a capacitor in the rx but I don't know if the cap would be the right fix or what farrod to get.

Any suggestions?

I asked someone locally and he reckoned wireless computers can cause glitching. Which would explain why it only happens in certain areas. Another fella said sand dunes can be a problem too. Now I don't know what to think????