Mercury V8 300 User Manual

• If the ground lead shorts to the signal lead, the PCM will indicate 0 volts.
Signal Lead
• If the signal lead opens, the PCM will read 0 volts.
• If the signal lead shorts to the power lead or another power source, the PCM will read 5 volts.
• If the signal lead shorts to the ground lead or another ground source, the PCM will read 0 volts.
Wire Color Code Abbreviations
Wire Color Abbreviations
BLK Black BLU Blue
BRN Brown GRY or GRA Gray
GRN Green ORN or ORG Orange
PNK Pink PPL or PUR Purple
RED Red TAN Tan
WHT White YEL Yellow
LT or LIT Light DK or DRK Dark
Sensors
Page 5A-4 © 2018 Mercury Marine 90-8M0146617 eng JULY 2018

Mercury V8 300 Specifications

General

Horsepower	300 HP
Displacement	4.6 L
Full Throttle RPM Range	5200-6000 RPM
Fuel Induction System	Electronic Fuel Injection (EFI)
Gear Ratio	1.75:1
Starting	Electric
Shaft Length	20 in, 25 in, 30 in
Warranty	3-Year Limited Warranty
Engine Type	V8
Fuel Type	87 Octane
Bore x Stroke	92 mm x 86 mm