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  1. #1
    Member AirForceAngler's Avatar
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    Trim Sending unit for 2005 25 HP Bigfoot?

    Years ago, I installed a sending unit on my Merc 125 4-cylinder and it was quite easy. Bolted to the pivot point and the wiring was already under the cowling.

    How hard is it to install on a 25 HP Bigfoot 4-stroke? Is the wiring already there for it, too?

    SN: 1B170455

    Thanks in advance for any advice!
    __________________________________________________ _____________
    2005 Lund Rebel SS 1650 w/25 HP Merc 4-stroke
    USAF 1985 - 2006 NKAWTG!

  2. Member
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    #2
    I just had my 2008 60 hp efi 4 stroke done this week. The mechanic told me it was not that hard to do. The sending unit for the motor & wires & labor to do everything was $237.00. I cut the hole in the dash myself. I found the guage on line for $19.00 plus shipping & I bought that myself. I just bought this boat & it had no trim guage so this will be a nice addition.

  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #3
    According to the Parts Catalog, you can install Part# 822573A12 (Sender Kit, Power Trim).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  4. Member AirForceAngler's Avatar
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    #4
    Quote Originally Posted by EuropeanAM View Post
    According to the Parts Catalog, you can install Part# 822573A12 (Sender Kit, Power Trim).
    Thanks, Don! Do you know what color wires I'd be looking for under the cowl and at the console?
    __________________________________________________ _____________
    2005 Lund Rebel SS 1650 w/25 HP Merc 4-stroke
    USAF 1985 - 2006 NKAWTG!

  5. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #5
    Brown w/white stripe is the traditional ANALOG sender wire color.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  6. Member AirForceAngler's Avatar
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    #6
    Thank you, sir!
    __________________________________________________ _____________
    2005 Lund Rebel SS 1650 w/25 HP Merc 4-stroke
    USAF 1985 - 2006 NKAWTG!