Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 322Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 322

Quality of the image is intentionally reduced!

SERVICE MANUAL NUMBER 24

3 With fully charged battery, connect voltmeter leads directly to the battery posts4 Start engine and run at 1300-1500 rpmRead voltmeterMost systems will read 13.