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Old 01-31-2012, 08:51 AM   #24
Scooby Specialist
Member#: 207417
Join Date: Apr 2009
Chapter/Region: Tri-State
Location: Rensselaer, NY
2009 WRX
td06sl2-20gtx 413/423


so is the factory galley plug that the dummy sensor plugs into npt? or bspt? can i just reuse the factory galley plug under the alternator or should i buy a new one?

Edit: also i went to install my oil pressure gauge (AEM) and the aem sending unit was .5mm too wide to screw into the factory galley plug. so it only got about a thread into it and wouldnt go any farther. cleaned up the treads with a tap and die and still didnt fit. the thread pitch matched so im guessing that the factory is npt. or could it be a machining error on aem's part? i love this idea and will be stoppping by home depot as soon as i get my answer(s)
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Last edited by 20wrx09; 01-31-2012 at 08:57 AM.
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