You are all right, I am just not conveying the matter improperly. It is a one time thing at startup. The brake switch must remain in the off position until the truck is warmed up and out of neutral for the first time. Once rolling for the first time after startup, the brake switch may be moved to hi or lo, and even back to off with no ill effect. It just must be initiated that first time after startup.
Once underway, the switch can be in any position and the brake will respond accordingly. It can even be switched off again.
Clear as mud...Right?
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2006 Renegade/Freightliner Coronado 43', Detroit, twin screw, 12spd
2001 Ford Excursion PSD
2017 Ford F450
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