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  #1  
Old 08-21-2012, 09:28 PM
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Join Date: Apr 2007
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R170 SLK supercharger resistance/voltage/current?

Ok, I want to do a bench test for the supercharger clutch. First of all, I measured the resistance across the two pins and got 3.6 Ohm. Is it me or that is way too low?

Second, I applied 12V (connected to my battery) and no click.

Shorted?
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  #2  
Old 08-22-2012, 09:29 AM
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With an ammeter connected the clutch should draw between 2.5-4.5 A

Are you getting a code for the clutch?
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  #3  
Old 08-22-2012, 05:02 PM
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3.5 ohms circuit at 14V is 4 amps - which sounds correct as the doc..
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