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Bad groundsMany years ago, when cars still had carbs and points and condensors, I worked as a mechanic while I went to school. I can't tell you how many cars I saw that had bad grounds! They used to have a ground cable that went from the back of the engine to the body, then the battery ground would go to the engine somewhere. The ground cable to the body would break, then gauges would go haywire, lights would quit, etc. I always like to ground the engine, then run a cable from the engine ground to the body somewhere near the battery, where it is visible. I have seen cars burn up clutch cables when the ground strap broke, the clutch cable was acting as the ground for the starter. The body ground does not have to be a huge cable, a piece of #10 stranded is fine. Use a nut and bold and a star washer and go through a body tab, don't rely on a screw. Screws come loose. Simple little thing can help so much!
Bad grounds
Many years ago, when cars still had carbs and points and condensors, I worked as a mechanic while I went to school. I can't tell you how many cars I saw that had bad grounds! They used to have a ground cable that went from the back of the engine to the body, then the battery ground would go to the engine somewhere. The ground cable to the body would break, then gauges would go haywire, lights would quit, etc. I always like to ground the engine, then run a cable from the engine ground to the body somewhere near the battery, where it is visible. I have seen cars burn up clutch cables when the ground strap broke, the clutch cable was acting as the ground for the starter.
The body ground does not have to be a huge cable, a piece of #10 stranded is fine. Use a nut and bold and a star washer and go through a body tab, don't rely on a screw. Screws come loose. Simple little thing can help so much!