Car gauges problems when starting car?

Updated: 4/28/2022
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12y ago

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Ok. Most people do not know this, but, the "on" position of the key, without the engine running, is a diagnostic point. When you do this, all of the red, yellow, or whatever color lights should all come on, telling you that they all work. All electric gauges should pin, confirming their operation. Now, when you go to the start mode, all kinds of things are happening voltage wise, so some bouncing around will occur.

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Q: Car gauges problems when starting car?
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