I spent the afternoon replacing the all bulbs in the Chevrolet 3100 gauge cluster to the same type of 194 bulbs purchased in bulk.
I also retired the separate fuel and dual air pressure gauges to run off the lighting circuit headlamp switch.
This will allow me to still make use of the knob dimmer switch and activate when the headlamps are in use.
I had wired these gauges to the ignition on circuit, this meant they would always be active when the car was running. Not an ideal situation during the daylight hours.
