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Discussion Starter #1
Which wire is positive on the edis vr sensor? There's a blue-orange and a gray. I'm guessing it's the blue-orange (if it matters) but just want to confirm.

Also, I have a 2 wire gm air temp sensor. The wires are both gray, but the terminals are marked A and B. Those polarity matter here?

thanks,
Jakub
 

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Discussion Starter #3
I have the schematic for edis so I know which pins the sensor goes to, although the site I got that from didn't have the polarity on the VR sensor.

I couldn't find it on the MS site.
 

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well if it doesn't start then you have it hooked up backwards.... it doesn't hurt to have it hooked up backwards... just won't start

also, make sure you have the coilpacks hooked up correctly.... mine wouldn't start for that reason.... switched the connectors on the 2 packs and it fired RIGHT up... i was amazed that night
 

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GM temp sensor polarity doesn't matter.
 
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