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Old 01-07-2009, 10:47 AM
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Graplr Graplr is offline
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Join Date: Apr 2007
Location: Huntington Beach, CA
Posts: 1,650
Quote:
Originally Posted by MBNRA View Post
What in bloody blazes is a "Webasto"?
It is a coolant heater independant of the car's engine. Mo knows all about mine as he installed it! Come to think of it I also got my aux pump from him!

Mo, I like the new pic of your wagon! I'll have to take a pic of mine in the snow one of these days.


In my observations the aux pump would run both directions. If you ground the brown wire it circulates one way. If you ground the black wire it runs the other way. If you plug it into the existing connector you don't have to worry about it as it has a tab that only allows it to be plugged the correct way. But since I bypassed mine I experimented with it.
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2009 ML320 Bluetec
1985 300CD
1981 300TD


Past Mercedes
1979 300TD
1982 300TD
2000 E320 4Matic Wagon
1998 E430
1984 300SD
1980 300SD
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