When I pull on/let off the handbrake on my truck, both the 'Brake' and what appears to be the 'Coolant OverTemp' warning lights come on/go out together. Is there a wiring problem, or is this normal? The Battery and Oil Pressure lights are acting normally. I've noticed that the Coolant Level Switch in the Cap of the Coolant Overflow Reservoir appears to be stuck. But then the Coolant Overtemp warning light would stay on all the time, no?
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