There are 3 wires coming out of the alternator connector GEN COM, GEN MON, and A-SENSE. I checked the A-SENSE wire and it is good, only .5ohms. I'm trying to figure out if it is my PCM or a bad alternator. I just don't know how to test the GEN COM and GEN MON to find out if the PCM is operating...
Hi everyone. Looking for some much needed advice on the issue I'm trying to diagnose/fix on my personal vehicle. I have a 2006 Mercury Montego Premier. Currently, the vehicle is operating normal at an idle. At idle the voltage from the alternator to the battery is 13.8V-14.2V. When I increase...