this happen all at one time today while driving.86 lg4 camaro.When I turn the headlights on the gauges(tach pegs,no water,volts or oil)go crazy.The turn signals all work but the right one is staying on in the car.It does blink when turned on also.When they blink with the car running the voltage gauge jumps with the blinker.any help.thanks alot

 

Its my cluster.When I push on the right side with the bezels removed. 2 bulbs on that side light up and everything works.