Need some quick help,please!

tommynos

New member
Im in the process of hooking up the air/fuel gauge thing that probably isnt worth the money I spent on it(its not a wideband one)...Anyway,which wire do i tap into on this 3 wire 02 sensor? I have 2 white and 1 black and im not sure which one or do I get it from the inside of the truck?
thanks in advance for the help..

got it now...
 
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