Does it come with everything needed to install?

The jack plate comes with the necessary wiring harness and switch for installation. Upgraded blinker switch and gauge are not included. Please see SKU THMFFBT-S-DP for the single switch and SKU THMFFBT-D-DP for the double switch. Please see SKU THMFAGK-2-DP for the black gauge and SKU THMFAGK-2SS-DP for the stainless gauge. Mounting hardware is included.