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Ohio | Make sure you leave the axle raised when parking the truck. I've got a neighbor with a tandem that has a cheater axle on it. His dad left the axle down and the truck sat for a month before it was used again. The batteries were dead from leaving the axle down. His switch is wired directly to the battery. When the axle is down 12 volts are applied to the air solenoid to keep it open which in turn keeps pressure on the air bags. | |
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Wiring trailer air lift tag in truck
