a/f ratio uage wire up

ok so i have just purchased an air/furl guage it didn`t come with a book which i expected its a stewart warner so heres my question there are three wire connectors on the back one is pos one is neg with a s and another is blank so the question is when i run a wire to the o2 sensor do i splace the wire or just grab another o2 sensor? and where does the positive goto ign?thanks

sorry about the title misspell

Pos= Wire acc, Negative= Ground, Other wire= oxygen sensor= Splice…

profect thanks randy

np

is it a wide ban or short ban?

not sure its the one off of here
http://www.son240sx.org/forums/showthread.php?t=42753
has two wires for back display and then a pos,neg/s, and a blank terminal

short… my method will work

ok i`ll give er a try thanks guys

okie then if you say so

ok what now?lol is there a different way to do it?i can grab a pic of the back if you want

http://www.sw-performance.com/upload/B-751%20115048%20Air%20Fuel%20Ratio.pdf

prefect im not sayin thanks again

good luck

*edit: let me know, white red or black i belive it is??

?lol i`m just gonna try the narrow band then go up to a wide band soon enough