ez wiring 4 pin ecu
You have a link to the destructions for whatever harness you have?
Simplified diagram: What they are calling "existing wire" goes to the IGN1 / ignition run. I have no idea what that equates to with a universal harness. What is NOT shown is the brown / bypass wire, which goes from IGN2 of the ignition switch--usually brown--to the coil PLUS side of the ballast. You will likely have to add that wire, and it is needed as the IGN1 "run" GOES DEAD during cranking. The IGN2 circuit bypasses the resistor and feeds "hot" battery to the coil, and backfeeds through the resistor to power the box for start. IGN2 is the ONLY source of ignition power during "crank"
You have a link to the destructions for whatever harness you have?
Simplified diagram: What they are calling "existing wire" goes to the IGN1 / ignition run. I have no idea what that equates to with a universal harness. What is NOT shown is the brown / bypass wire, which goes from IGN2 of the ignition switch--usually brown--to the coil PLUS side of the ballast. You will likely have to add that wire, and it is needed as the IGN1 "run" GOES DEAD during cranking. The IGN2 circuit bypasses the resistor and feeds "hot" battery to the coil, and backfeeds through the resistor to power the box for start. IGN2 is the ONLY source of ignition power during "crank"
