Electrical problem
1999 Other Chevrolet Models 4 cyl Front Wheel Drive Automatic 167845 miles

STARTER IS GOOD. HAVE SOME TROUBLE STARTING
DIMMER LIGHT INDICATOR ON DASH BLINKS ON AN OFF. WHEN RADIO IS ON IT MISSES AT HIGH SPEED BETWEEN 55 AN 65. THE LIGHTS ARE SUPOSE TO COME ON AS SOON AS CAR STARTS, BUT THEY HAVE TO BE MANUELY TURNED ON NOW. AFTER IT HAS BEEN DRIVEN AWHILE YOU CAN TURN VEHICLE OFF AN LIGHT WILL STAY ON LIKE THEY SHOULD. PLEASE HELP!

ya its probally you battery or your altanator hav the battery checked first