When I have the head lights on I lose my left tail light, turning light and the stop
light. When I turn off the head lights the left tail light works, the brake light and
I am having a very similar issue with my 2010 Ram 1500 ST 3.7L V6 single cab. When my head lights on, my rear left lights up bright solid, cannot see when I use signal. When head lights off, my front right signal lights up when I tap my break. I have not found the solution yet but if you do please let me know, you can email me to email@example.com. I can respond to you there if I find a solution before you do as well. Thanks.
It almost sounds like a ground is missing. Two filament bulbs have a common ground. If the ground is missing because of a broken wire or corrosion the current flows in on one filament to the base then out the other filament to another bulb on the same circuit to use it's ground.
Search Dodge Ram 1500 Questions
Dodge Ram 1500 Experts
Related Models For Sale
Used Cars For Sale