Dellorto 48DHLA, Carter 7psi street/race pump, Holley 4.5-9psi regulator. set at approx. 4.5 psi.

 

GSL-SE with dellorto dhla. holley blue fuel pump @ 4.5 psi. that pump is way to loud!!! and the humming noise changes when i turn on the turn signals. something like "weeeeeeeee, woooooo, weeeeeeee, wooooo" r they suppose to do that or do i have a electrical problem.