• 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
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