I have no idea of how to read resistance or even test for it. However, Barb at TRDparts4u quoted me a price on a new one for around $80. I also read on the board somewhere that if it's not "shiny" then it's prolly worn out. But I also heard if I don't have a CE light then it's fine. WTF! I don't have a CE light coming on but the wire in it looks pretty dull, not shiny at all.
I can send youa scanned pic of my 1998 Toyota Factory service manual and it will show you exactly what do do
Jason, you know what a multimeter is right?
tests voltage, resistance and watts/amps?
go to radio shack and buy a cheap one for all around the house/car usage