temp sender and wiring
 

hey guys,
i am putting boat back together and i forget which water temp sensor is the buzzer or the gauge?also wiring colour,i have a solid likes like brass sensor and a stainless sensor with a red collar in it,also have a tan wire and a tan/blue stripe wire,which one is which?

Red collar is alarm sensor goes with tan/blue wire

Or just ground the wire and look at the gauge.