The SMI-7DF is a harness built specifically for adding a Fuel Level Gauge to the 7" Holley Digital Dash. No special tools needed. Simply plug the IO connector into the header on the back of the dash(under the access panel), route supplied extension harness to the fuel tank, and terminate the wires to the fuel level sending unit. Dash Configuration can be found here: https://documents.holley.com/199r11021.pdf
This kit includes:
- 1x Pre-terminated I/O connector for the back of the dash, mated with an external female quick-connect for easy dash removal and install
- 1x Extension harness with male quick-connect and 15ft TXL wire leads