*THIS IS ONLY APPLICABLE TO INSTALLATIONS FOR BOATS THAT HAVE NOT PREVIOUSLY HAD A GAUGE INSTALLED*
FOR OTHER INSTALLATIONS RETURN TO THE MAIN TACHOMETER SUPPORT PAGE
All new installations of tachometers and/or speedometers require installing harness 6Y5-83553-N0-00 from your key/remote to your gauges. This is the only harness needed for speedometers.
Tachometers need a second harness that runs from the motor to your tachometer called the "trim and oil harness". For motors made in 2004 or later you will connect a single 4-pin square plug at your motor (should have at least 1 pink wire) to the to the tachometer through the wiring adapter that came with the tachometer. For motors older than 2004 you will have 2 4-pin connectors at your motor that you need to connect to the tachometer.
Trim and oil harnesses for 2004 and newer by length
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16.4 ft - 6Y5-83653-00-00
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19.7 ft - 6Y5-83653-10-00
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23 ft - 6Y5-83653-20-00
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26.3 ft - 6Y5-83653-30-00
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30 ft - 6Y5-83653-40-00
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35 ft - 6Y5-83653-50-00
Trim and oil harnesses for older than 2004 by length
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16.4 ft - 68F-82553-50-00
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20 ft - 68F-82553-60-00
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23 ft - 68F-82553-70-00
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26.3 ft - 68F-82553-80-00
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31.2 ft - 68F-82553-90-00
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32.8 ft - 68F-82553-A0-00
For remaining installation instructions navigate back to the main tachometer support page.