FJ62 Custom Exhaust. Reinstall Catalytic Converter...

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Are these the connectors I'm looking for? (In Red)

IMAG00149%201%201_zpsa0970eb6.jpg


Also, any idea what that blue vacuum line is supposed to connect to?
 
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I'm having some difficulty determining exactly where the o2 sensors should go and where they connect. Do both sensors go into the downpipe before the cat's, or does one go before one cat and after another, or both before and after the same cat, or any other combination? Can anyone tell me if the two connectors above are for the o2 sensors?
 
I was able to locate the sensor above the transmission (I actually had to take it back to the muffler shop and have them show me... :( ) and get the front sensor spliced in. After which it passed Denver emissions with flying colors. And no more CEL!!!
 
I just pulled my exhaust system out so I can start an engine swap. if you need anything give me a shout. Everything was working great when I pulled it.
 

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