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Thread: Adding power trunk release to 91'

  1. #1
    Hobbit
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    Default Adding power trunk release to 91'

    Looking for some assistance adding power trunk release to a 91'. I believe it's prewired for it because I see there is a wiring harness inside the trunk lid running to a bracket near the latch. What does that attach to? Should there be an actuator mounted somewhere? Anyone have pics?

  2. #2
    Approaching 2 decades of DDing Box Panthers VicCrownVic's Avatar
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    That harness also has the license plate illumination power in it (I assume CV is the same setup as MGM). If the car was not optioned with power trunk release I suppose it's possible that the existing harness only has the illumination power. If that is the case it's not terribly difficult to swap the harness. I had swap it on my MGM when the original somehow got pinched to the point of wire insulation and caused the trunk to open on it's own one day.
    That harness should plug in to a connector to the left (facing the front of the car) of the driver side trunk lid arm.

    The actuator will be mounted to the trunk lid. If the mount points aren't already there, I would imagine there would at least be dimples in the sheet metal indicating where they should be.
    Vic

    ~ 1991 Mercury Grand Marquis LS "The Scab" - plenty of rot, summer DD
    ~ 1997 GMC Yukon - wannabe winter DD - returning summer 2020, I finally have an engine
    ~ 1991 Mercury Grand Marquis GS "The Ice Car" - My rotting winter DD
    ~ 1989 Mercury Grand Marquis GS - Rotting Retired DD
    Gone but not forgotten:
    ~ 1988 Country Squire ~ 1987 Ford Crown Vic


  3. #3
    Hobbit
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    Pretty sure I have the correct harness in the trunk attached to a dummy bracket where the actuator would normally mount. What kind of actuator does it take? Same as the doors or is there a specific one for the trunk? What about other hardware?

  4. #4
    Member WagonMan's Avatar
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    In my stash of parts I have this trunk latch, Possibly from an 87 GM. What car are you specificity working on? WagonMan
    Attached Thumbnails Attached Thumbnails IMGP5591.jpg   IMGP5592.jpg  
    1990 Colony Park
    1970 HEMI Superbird

  5. #5
    Hobbit
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    Quote Originally Posted by WagonMan View Post
    In my stash of parts I have this trunk latch, Possibly from an 87 GM. What car are you specificity working on? WagonMan
    I am putting 91' Vic trunk lid on 85' Marquis. If Vic latch is same as Marquis I will just swap it from my old trunk lid and call it a day.

  6. #6
    Approaching 2 decades of DDing Box Panthers VicCrownVic's Avatar
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    What Wagonman posted is what you need. If the same one is used on the CV and MGM then swapping will work. If not, it should be pretty easy to find a CV unit in Detroit and have someone on that side of the border send or deliver it to you.
    Vic

    ~ 1991 Mercury Grand Marquis LS "The Scab" - plenty of rot, summer DD
    ~ 1997 GMC Yukon - wannabe winter DD - returning summer 2020, I finally have an engine
    ~ 1991 Mercury Grand Marquis GS "The Ice Car" - My rotting winter DD
    ~ 1989 Mercury Grand Marquis GS - Rotting Retired DD
    Gone but not forgotten:
    ~ 1988 Country Squire ~ 1987 Ford Crown Vic


  7. #7
    Hobbit
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    Checked my Marq actuator tonight and it's definitely different. If anyone has 88-91 Vic one let me know.

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