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  1. #1
    Member
    Join Date
    Aug 2014
    Location
    Illinois
    Posts
    53

    Motor trim indication erratic

    My trim gage starts to go to full up just before the hallway point on the way up on my'98 201. What would cause this and is there anything I can do to correct it besides buying new parts? Its on a Merc 225 EFI if that helps.

  2. Member
    Join Date
    Jan 2015
    Location
    Ruther Glen,VA
    Posts
    878
    #2
    That could be a few things. Bad gauge, bad trim positioning sensor, bad/broken ground strap at the motor...

  3. Member
    Join Date
    Aug 2014
    Location
    Illinois
    Posts
    53
    #3
    Thanks, it's not bad right now so I might wait until I have it in the shop for something else.

  4. Member
    Join Date
    Apr 2012
    Location
    Branson, MO
    Posts
    430
    #4
    Here is a link for a test procedure for trim gauges. You will need a volt/ohmmeter for the test. https://www.jamestowndistributors.co...t.do?docId=839
    2000 Viper Coral 202
    2013 Pro XS 200