Brake lights
I have a Sport Chassis M2 with a Mercedes MBE 900 engine. My problem is that all the tail lights work, but when I hook it up to my 5th wheel, I have no left brake light. Both turn signals work. Here is what I found. At the junction box at the back of my truck, I have correct voltage (13) except for the left stop light that shows 1 volt. The truck left side comes on, but, I think because it LED's low voltage would turn the lights on. I'm sure it's the truck and not the trailer. The voltage has been checked with the trailer unhooked. Any ideas?
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