BEP Pro Installer 400A EZ-Mount Double Pole Battery Switch - MC10 [770-DP-EZ] 4.5" Tubing A temperature gauge operates by

A temperature gauge operates by sending a low amperage current through the gauge's meter to ground via a sending unit with variable resistance

you let the tachometer know how many pulses are sent per each engine revolution

B - 1 13/32 in

Andersen Service Kit 18

Lewmar 60mm Double Becket Synchro Block

BEP Pro Installer 400A EZ-Mount Double Pole Battery Switch - MC10 [770-DP-EZ] 4.5" Tubing A temperature gauge operates byPro Installer 400A EZ Mount Double Pole Battery Switch MC10 An addition to our multi award winning Pro Installer EZ Mount range, this battery switch provides Double Pole On Off functionality so that both positive and negative battery terminals can be isolated. Most commonly used on metal hulled craft, full isolation ensures there is no risk of stray currents that may cause galvanic corrosion, and also guarantees optimum safety during servicing or