12v power source. (Car battery or DC power supply)
3 resisters
1 watt should be enough for short term testing
10 ohm
23 ohm
73 ohm
Some alligator test leads
A multimeter
Watch and understand this video
trace out your circuit board so you know what is what.
any trace that has a screw that goes through it is a ground.
hook up the power source negative to a good ground on the cluster
Most bulbs will need positive to a pin on the cir board to illuminate.