THE BEST SIDE OF 4AGE 20V ITBS

The alternator wiring will not specifically go to the ECU, but instead to the fuse box where by it powers every little thing else in the car such as the ECU.The alternator will use 12V on E2 so there is no additional ground to the battery light, only 12V. So the battery mild has 12V on a person facet and 12V on one other facet and which will result