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International Automotive Technicians Network
Re: Alternator AC Ripple
Posted to Technical Theory Forum on 11/21/2011

Ryan, "analyzing" the DC ripple can very easily lead to an erroneous conclusion of "problems". Years ago there was a so called specification of no more than .5 volt "AC" as measured on your DVOM. The meter IS not even measuring "AC", but the AC scale will resp... Login to read more.