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Low voltage to low beam headlight - how to resolve?
tedderek posted a topic in 2016 Edge & MKXI have a 2008 which I swapped the headlights out for LEDs bulbs. Both low and high beams have been working for over a year now. Over the last few months the passenger low beam started to become sporatic in operation. I used to be able to get it to turn back on by turning the headlights off and then back on. It is now at a point where the headlight does not turn on at all. Driver side and both high beams work fine. I pulled out the DMM and checked the voltage going to the headlight and I am reading about 8.9V; far below the allowed 12V. The driver side is reading 13.5V - nicely charged battery. The low voltage was measured without the headlight in place. Driver side and both high beams have proper voltages. I found that there is a left and right 10A fuse for the low beams. I swapped these and the problem still persists on the passenger side - thus eliminating any corrosion and fuse issue. Any other suggestions? I have a CD for the electrical schematic but, it is from 2011, I cannot seem to get it loaded and all the other references I find on the internet are just money suckers in some form. My next step is to go through the wiring diagram and check where I am loosing voltage and need a decent diagram for tracing.