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Old 07-21-2008, 12:48 PM
vwbuge's Avatar
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Join Date: Sep 2001
Location: Johnstown, Pennsylvania
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another AC thread...

I used the battery out of my Buggy because it was easy to move under the car. With the Benz running and AC switched on I tried to jump pos and neg terminals from the battery to the connector on the compressor. NOTHING.

I then checked for voltage at the lead that connects to the compressor. NOTHING.

I checked line pressure at the low side and was getting decent pressure.

What to do next? Can you check the AC relay in the fuse box? I was going to try and swap out a ACC pushbutton unit but I don't want to spend the money if I don't have to.

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Old 07-21-2008, 01:31 PM
rrgrassi's Avatar
mmmmmm Diesel...
 
Join Date: Jun 2006
Location: Royse City Tx
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Sounds like the clutch coil it not working or you have a broken wire, as direct jumping should have engaged the clutch.

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