Im going to bring up this again i have the same problem efi converted to carb 1990 my tach in the truck does not work, i have a parts efi wiring harness but am clueless on what wires go to where on the drivers side fender??? the diagrams above dont work anymore??? I really dont want to have a huge tach mounted on my steering coulum and on in the dash thanks guys sorry to bring up the old topic....
Donnie