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1998 mustang 3.8 .. My secondary air pump is not getting a signal to turn on.. I checked it by removing it and it works fine off battery.. So is there a seperate relay for it or is it part of. Pcm or ccrm? Just spent a ton on restoring body and new top but I'm lost when it comes to electrical and there doesn't seem to be any info or schematics out there..
 

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Its pcm controlled

You can buy schematics

Called evtm

Or alldata or mitchells
 
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