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Old 01-13-2011, 11:49 AM
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Mike Murrell Mike Murrell is offline
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Tons of yack on the subject at this forum check archives.

For starters - you need a voltage-ohm meter that reads duty cycle. Sears has one for a reasonable price. Mentioned here in numerous threads

Also - go to google and key in "duty cycle mercedes m103"

Youtube video on the subject - cannot attest to its validity.
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Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
"Fräulein"

Last edited by Mike Murrell; 01-13-2011 at 04:07 PM.
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