can someone with an autometer nitrous pressure gauge please take a picture of the connector that goes into the back of the gauge for me? i was takin my pillar off and pulled pins out and need to see what goes where...or someone could tell me that would be cool...

 

ttt...

 

ok got that figured out...how can i tell if my gauge is bad? it has a sending unit that on the bottle opposite of the bottle pressure thingy...anybody know how i can tell if its bad?