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power step cover


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My 2005 Exec is air driven, not 12 Volt motor.  There is 12 Volts from the switch to activate the step cover, to the MAC valve located outside on the firewall (extend the generator to find it).  So, it could be electrical, but likely it's an air problem.  Check for 12 volts on the MAC valve.

  -Rick N.

Opps, I just remembered that 06 Exec's have a Multiplex system.  It makes checking the 12 volts circuit harder (you don't have a single copper wire from the switch to the MAC) but the principal is still the same, and I suspect it is still air driven.


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