Rick's Free Auto Repair Advice

Posts Tagged: instrument cluster and gauges erratic

ABS light on gauges erratic

ABS light on gauges erratic This Chevrolet Cavalier exhibited a speedometer needle that moved up and down, a flashing warning lamp, an ABS light on, and a trouble code for low system voltage. Any time you see erratic behavior in an electrical circuit when you turn on a high power device like a heater blower motor, you should immediately suspect a poor ground somewhere in the circuit. Corroded ground connections can function just fine when there‚Äôs very little power flowing through them. But that same corrosion can drop voltage flow … Read More


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