PITTSBURGH, April 17, 2025 /PRNewswire/ -- "I'm a mechanic and was frustrated with the inability to check trailer light circuits without a semi-truck connection," said an inventor, from Spartanburg, S ...
Viewer-submitted questions for The Car Doctor: Q: I was working on my boat trailer, which I use only a couple of times per year, and noticed some of the lights are not working, while others do. Where ...
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