Trailer Brake Lever
m2+ d 04.06.002
The trailer brake lever is used to apply the trailer service brakes without applying the truck or tractor service brakes. It is usually mounted on the right-hand control panel. Move the lever down to apply the trailer brakes; move the lever up to release the trailer brakes. The lever automatically returns to the up position when it is released. See Fig.Right-Hand Panel Dash Controls. The lever can be partially or fully applied, but in any partially on position it will be overridden by a full application of the service brake pedal.
Right-Hand Panel Dash Controls

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Parking Brake Control
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Trailer Air Supply Control
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Hazard Warning Switch
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Trailer Brake Control