hello guys ...just need some info i am swapping a 6.0 and a 4l60e into my 72 chevy pick-up wondering who does the best stand alone harness for this application would like for it to have a check engine light and all the fan,fuel pump relays basically so i can start the thing from the ign switch and not have various toggle switchs and relays.
HELP!!!!!!!
thanks
JeffB

 

Speartech, EFI Connection, Current Performance, Street & Performance......take your pick...
They all have what you need and want....

 

What about howell??