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4X4 · 05-27-2009, 11:52 PM

Alot of those older bulbs have two filaments in them. One could be out, which would screw the proper function of whole bulb since they run on series circuit.

05-27-2009, 11:52 PM	#2
4X4 One of the Nine Join Date: Dec 2004 Exp:	Alot of those older bulbs have two filaments in them. One could be out, which would screw the proper function of whole bulb since they run on series circuit.