[DAVIE1973]

i just had uhaul put a 4 wire flat plug on,it has small lights on it to tell you if run lights work,turnsignal,and brake lights work. so i pluged this in on my trailer and the run lights work but the turnsignal lights don't. they put a converter on it too. checked ground ok, the turnsignal will work if i take off the whole tail light,then it works....took out the bulbs and turned the lights and the turn signal on then checked with a continuity checker, it works ok...but when i put the bulbs in the turn signal kicks off the relay.........help........davie1973:sickly: