Printed circuit gauge board install on 70-72 Chevelle or El Camino gauges.
No one knows how or who, but someone tried to install a radio in our 1972 SS El Camino and shorted out the printed circuit board. After removing the offending radio, we found the melted mess behind gauges.
This is a very easy repair. We begin by remove the dash light bulb sockets, they just twist out.
Reassembly is just the reverse of how you took it apart. Start by lining up the new circuit board and installing the small screws to hold it in place. Do not tighten these down yet, you might have to make small adjustments as you line all the bulbs up.
Lastly replace all the light bulb sockets back into their holes. This would be great time to double check all the bulbs are still go or even upgrade to brighter LED bulbs. Then reinstall the washers and two nuts for the gas gauge, also don’t forget to tighten up the small screws you left loose from the previous step.