Ah Yes! Sweet Abigail! , At least she will be sweet once again. I found the problems that fried my CCU units. Although the Monovalve was and is in good shape(replacement kit parts, alas the motor id Dead, Dead , DEAD! and alas, so is the AWP.
Both , when power applied directly to them (grounded and straight 12 volt power from the battery) they both just sit there and grin at you. No vibration not trying to turn, no nothing.

So it was either or, or a combination of both that fried the CCU.

New Mono valve assy here we come and while we're there we'll get a new AWP too.

After this I think Sweet Abigail will again be sweet.

Amazing what a couple of alligator tipped wires will tell you when properly applied.

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1986 Euro 500SEC "RUF" 9:1CR, "Rose"
1985 Euro 500SEC Cabriolet AMG Widebody
1982 Euro 500SEL "Blue"
2001 Texas Heeler (Aussie/Queensland X) "Sulphie",
2012 Queensland Red Heeler "Squeak"
Best dogs I've ever had.