hjgtrucking
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Brake lights when no air pressure
hjgtrucking replied to hjgtrucking's topic in Electrical, Electronics and Lighting
I currently have LOW pressure warning on dash, Parking break when engaged and brake lights when brakes are applied via foot pedal or trailer handle. Just no break lights on when it starts with no pressure. -
Brake lights when no air pressure
hjgtrucking replied to hjgtrucking's topic in Electrical, Electronics and Lighting
without knowing which switch does what im not sure but there is one to the far left by itself and the the brake light switchs on the manifold behind the brake pedal and the parking brake switch. i ordered on from my mack dealer that was supposed to be the low pressure switch. -
Brake lights when no air pressure
hjgtrucking posted a topic in Electrical, Electronics and Lighting
I have 05 CHN 613 that we are trying to diagnose a electrical issue. Currently when you turn the truck on with no air pressure the brake lights come on but on this one the lights are not working. We have replaced some of the pressure switches under the dashboard by the clutch but so far nothing has fixed the issue. Does anyone have any recommmendations?
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