I got one of those Glowshift oil pressure gauges off ebay and i got finally got the sender installed today but i got a problem now. The one post on the sender says G (witch could be ground or guage?) and the other says WK. I have no clue witch one is witch and the instructions dont say witch to hook up where and it says that if the wrong wire is hooked up to the wrong place the guage could be damaged. Anyone know??

did you use teflon on the threads of the sender?? if so its not grounding the sender out, take the sender out and strip all of it off the threads and reinstall.
jason