Changing gauge cluster light bulbs - How To

The contacts on the bulb sockets can corrode and loose spring tension. Replacing them would be a good idea. The replacement 5/8 inch bulb sockets are a little harder to find than the 1/2 inch ones. The 1/2 are very common, used in fords I think. Don’t try and use the 1/2 inch, they might work if you get them in just perfect, but they won’t be reliable.