Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 91Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 91

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SERVICE MANUAL NUMBER 24
12 Volts

Reconnect WHTRED bullet connectorsRemove high-tension lead from distributor to coilInsert spark gap tester form coil tower to groundDisconnect WHTG