Hello everyone, I just bought a 1980 Brigadier dump truck equipped with a 6-71 Detroit engine. The truck performs exceptionally well, starting instantly even in cold weather and running smoothly. However, I am facing a problem with the low air warning system. I have been unable to locate the switch that activates the buzzer. I did find a switch near the driver's left foot that controls the brake lights, but I suspect a grounding issue with the low air warning switch. As this is my first experience with a CDL truck, I would appreciate any insights on where the switch may be located. Thank you for your help.
Rob Zucker is the proud owner of a truck shop and is likely to join us later this evening. He will be able to guide you to the precise location of the air switch in the shop. Stay tuned for his valuable insights!
Inspect the firewall near the brake valve for any signs of damage or obstruction, as this area is commonly utilized as an air manifold. While I have never personally needed to locate the low air switch in this vicinity, it is likely located nearby.
Truck Shop mentioned that Rob Zucker, who owned a '78 9500 with an 8V71 engine, may be able to help locate the air switch. Stay tuned for his input later this evening. It's likely he knows exactly where it's located on a similar model.
To locate the buzzer, trace the wires to the air switch or follow them from a low air light on the dashboard. It is likely located behind the dashboard near the firewall or on a manifold, as previously mentioned. Consider checking junkyards for replacement parts if needed.
I have a 1976 Chevy with a unique air brake setup located between the compressor and firewall. It's crucial to drain all three tanks in cold weather to prevent loud noises. My gauge features two needles that need to register over 100 LBS to stop the alarm from going off. The positive side is that with a Detroit engine, you might experience hearing damage, which could make it hard to hear the alarm. - Willie
Answer: - The low air warning system switch on a 1980 Brigadier dump truck with a Detroit engine may be located near the driver's left foot. It is typically separate from the switch that controls the brake lights.
Answer: - If you suspect a grounding issue with the low air warning switch, you can start by checking the wiring and connections to ensure they are secure and free from corrosion. Additionally, consulting the truck's manual for the specific location of the switch and troubleshooting steps can be helpful.
Answer: - Symptoms of a malfunctioning low air warning system may include the buzzer not activating when the air pressure drops below a certain level, which could potentially lead to unsafe driving conditions. It is important to address this issue promptly to ensure the safety of the vehicle and its occupants.
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