My 1987 front end shakes at 55mph. Also my digital speedometer and tack do not light up
Get the front end looked at by a professional. Your in potential danger, so are others on the same road you are.
It may be a wheel out of balance, a bad tire getting ready to throw a tread, a wheel bearing getting bad, or a bad steering component. Are the wheels wearing even or is one side or the middle wearing faster? How old are the tires? I got rid of my vibration in my Corvette when I replaced the 11 year old tires. 85% wear left on the tires, but the tread was starting to let go due to age.
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