Air Suspension Dump Control Switch
Notice: Do not operate the vehicle over uneven ground such as ramps, speed bumps, curbs, etc. with the air springs deflated. Doing this may lead to air bag separation from the piston, preventing the suspension air springs from re-inflating.
The air suspension height control switch may be used to aid in connecting or disconnecting from a trailer. See Fig.. When the switch is set to LOWER, the air-suspension dump valve deflates the air springs to lower the rear of the vehicle. In the AUTO position, the automatic ride-control valves operate for normal driving.
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Interaxle Differential Lock Switch
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Fifth Wheel Slide Switch
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Driver-Controlled Differential Lock (DCDL) Switch
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Air Suspension Dump Control Switch
Fig. 1, Axle and Suspension Switches
Notice: Never exhaust air from the suspension while driving. When the air is exhausted, the suspension will not absorb road shocks, and components may be damaged.
A red LED in the switch is illuminated when the suspension is deflated.