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International Automotive Technicians Network
Re: Alternator Ripple
Posted to Technical Theory Forum on 2/18/2021

In addition to what Glenn says, check it under various loads also. Fully charged battery idling and 2500 RPM with no load, then with full load (i.e. blower on high, rear defrost, high beam headlights and any other load), check it at idle and 2500 RPM. I've had... Login to read more.