The SMI-PRO-DF is a harness built specifically for adding a Fuel Level Gauge to the 6.86" AND 12.3" Holley PRO Digital Dash. No special tools needed. Simply plug the pre terminated sub harness into the header on the back of the dash, 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/199r11581.pdf
This kit includes:
- 1x Pre-terminated sub harness 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