Rick's Free Auto Repair Advice

Posts Tagged: brake lights

erratic gauges

How to fix erratic gauges I see lots of posts on car forums where the poster has really strange electrical problems like erratic gauges or the the blower will only work when the brakes are applied, or lights work only when certain other electrical accessories are either on or off. Most DIYers automatically assume these electrical problems are caused on the power side of the electrical device. In almost all cases, it turns out to be on the ground side. Car makers install multiple grounding points in every vehicle. They … Read More


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