1992-2000 Mercury Mariner 105-225HP outboards Factory Service Manual, Page 306Get this manual

Quality of the image is intentionally reduced!

3 Perform voltage tests "all (1-4) engine modes" belowVOLTAGE TEST CHART Engine Mode BLACK Meter Lead to Engine Ground; RED Meter Lead to: (+) terminal of fuel pump Approximate Voltage Reading 12 13.5

• • TGB
  • Arctic Cat
  • Bombardier
  • Can Am
  • Honda
  • John Deer
  • Kawasaki
  • Polaris
  • Suzuki
  • Yamaha
• • Kawasaki
• • Chrysler
  • Honda
  • Johnson Evinrude
  • Mercury
  • Suzuki
  • Tohatsu
  • Yamaha
• • Honda
  • Polaris
  • Sea Doo
  • Yamaha
• • Arctic Cat
  • Polaris
  • Ski Doo
  • Yamaha
• • Chrysler
  • Mercury
  • OMC
  • Volvo