View Full Version : wiring the 4DI blues

01-10-2009, 04:57 PM
I need some major help guy's I'm in the mist of installing a pro-jection 4DI. 900 cfm model. and the wiring harness is all complete but wired for a chevy hei small cap dist, (I think small but could be big) and I'm running an MSD with a 6A box. so the plug in for the chevy dist. is 4 wires with, one black (in assuming ground) one red wire, one yellow/black, and one blue/white. does any one know the proper places for these wires???? please I need your input:crying:

01-10-2009, 07:00 PM
go here (http://www.chevytalk.org/fusionbb/showforum.php?fid/35/keyword/Fuel_Injection/) and ask. There are a lot of Holley efi guys there. The moderator works for Holley fuel injection.