1978 Johnson 55 HP Outboards Service Manual, Page 46Get this manual

Jumper wires Blue tester lead Battery adapter Black tester lead Position No.3

Tap button liB" Terminal "A" Terminal "B" Terminal "c" 10Terminal "D"

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