Wires sound like they need replaced. Especially if other wires are similar. May be time for a harness. Not my call.

The bulbs are all 12V. The 57 is twice the wattage as the other two and it's globe is bigger. The bases are all the same. They are OK if globe fits panel hole.


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn