Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 65Get this manual

CHARGING SYSTEM
Special Tools
1Multi-MeterDVA Tester (91-99750)

2DMT 2000 Digital TachometerMulti-meter (91-854009A1)

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives