aftermarket temp gauge?

[Vausey_Nova_Knotla]

How do i wire it up there's red and black for the light.. then 3 posts one says s otheres are + and - it says the temp sensor wire goes to (s) but surley it needs somthing else?

[mowgli]

pic of said item??

did you get the sender with it? cos they are usually matched.

anyway, as long as a gauge has a feed & earth, then the sender wire is all you need to get it to work