ok a 75 (3/75) repu... it was doing a odd thing when i hit the left blinker it would blink oddly... sometime it would blink normal thing hangup then start normal again ... it was odd and totaly random. the right 1 worked great. yes i went and replaced all the bulbs and cleaned all the contacts. now its REALLY doing a odd thing... i hit the blinkers...eather side and all the stock gauges go dead and so does the tach.... anybody got any idea?