Neither switch states a configuration so verify the two wires on those switches connect to ground and are not just both sides of a single switch that is isolated from ground.
Senior V8s have two separate courtesy light circuits which cannot be tied together. Each needs to be grounded for the lights in that circuit to come on. While 55 used two switches, 56 went to one switch that has two individual switches in the same housing.
The Eastwood switch looks more like the one Dwight Heinmuller
https://www.packardparts.org sells but if neither switch fits the criteria, Dwight carries a 56 replacement.
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door switch.jpg (53.06 KB)
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