LED bulbs
While changing my 1141 bulbs to LED bulbs, found the they do not work on one side of the motorhome in the two fixtures over the couch and dinette. The bulbs work on the other side of the motorhome. Th...
Forum Discussion
Because an incandescent bulb has a resistance filament that heats up to the light level output whether it's wired positive ground or negative ground. As long as there's an active DC current of both positive and negative connection for flow thru the bulb filament, the bulb will illuminate. The center of the bulb socket can be either positive or negative as long as the tubular outer of the bulb socket is the opposite polarity the electrical circuit is completed.
