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Thread: 15S39 LCM Bypass Recall - Documented

  1. #91
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    Quote Originally Posted by 03Merc View Post
    I had the recall done and My brake lights won't come on either. Have to press the pedal pretty hard.
    So your brake lights DO come on, you just have to apply more pressure to the pedal. Check to see if the "tech" who performed the joke fix possibly dislodged the BOO switch or rerouted the wiring incorrectly.
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  2. #92
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    Quote Originally Posted by RF Overlord View Post
    So your brake lights DO come on, you just have to apply more pressure to the pedal. Check to see if the "tech" who performed the joke fix possibly dislodged the BOO switch or rerouted the wiring incorrectly.


    The tech said the revised the brake light switch because of connection issues internally. I may throw a switch at it just to see how it is.


    Sent from my iPhone using Tapatalk Pro

  3. #93
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    Quote Originally Posted by 03Merc View Post
    The tech said the revised the brake light switch because of connection issues internally. I may throw a switch at it just to see how it is.


    Sent from my iPhone using Tapatalk Pro
    Sometimes the "push" bar on the switch becomes warped or bent. When you replace the switch check the connector and wires real good.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  4. #94
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    kansas city,mo
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    I am also a ford tech. I totally agree with you. Im not gonna cut the wiring up on my Marauder.



    ed

  5. #95
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    Oct 2014
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    Charlotte, NC
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    1,281
    I'm wondering what percentage of these failed? I read where 5% was considered a major failure? I have the recall notice in hand but lights are working fine - have Marauder up for sale. I'm reminded of a non-hack repair performed on my Mustang last year. The 20a fuse for the driver's seat would pop intermittently - replaced it with a 20a circuit breaker - no more issues so far.
    Current Garage:

    2005 Mustang GT Premium
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  6. #96
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    Somerset, Nj
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    Thanks for the info. I have 2004 Merc Gran Marquis. Tail lights, markers lights went out once or twice over like 6 months. Finally 1 day, headlights went out.
    Had the recall notices for a couple of years. I figured that I'd let a local, well reputable dealer do the LCM recall work. Never, ever did they mention that they
    were going to only "jerry rig" this with a half-ass "by pass kit". The tail lights kept failing of course. Had my regular shop spend a few hours trying to figure out
    the tail light marker light failure(s). We assumed that the LCM had been replaced... Replaced the headlight switch on the dash, special order, could not return, did not help.
    Tried installing a new " all-in-one" switch on the steering column, did not help. Went back to dealer, said it was " body control module". Then dealer called back, said it wasn't that,
    that it was the the LCM... Then they explained that they didn't originally replace the LCM, that they only did the LCM bypass kit... Which was all the recall called for: a repair to
    prevent the headlights from going out unexpectedly... So now they could replace the LCM, which they should have done to begin with, for around $650. including labor...
    But, this would take another week or 2, because of a back order on parts..... eye, yi, yi ...

  7. #97
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    Quote Originally Posted by Fatssstrucker View Post
    Thanks for the info. I have 2004 Merc Gran Marquis. Tail lights, markers lights went out once or twice over like 6 months. Finally 1 day, headlights went out.
    Had the recall notices for a couple of years. I figured that I'd let a local, well reputable dealer do the LCM recall work. Never, ever did they mention that they
    were going to only "jerry rig" this with a half-ass "by pass kit". The tail lights kept failing of course. Had my regular shop spend a few hours trying to figure out
    the tail light marker light failure(s). We assumed that the LCM had been replaced... Replaced the headlight switch on the dash, special order, could not return, did not help.
    Tried installing a new " all-in-one" switch on the steering column, did not help. Went back to dealer, said it was " body control module". Then dealer called back, said it wasn't that,
    that it was the the LCM... Then they explained that they didn't originally replace the LCM, that they only did the LCM bypass kit... Which was all the recall called for: a repair to
    prevent the headlights from going out unexpectedly... So now they could replace the LCM, which they should have done to begin with, for around $650. including labor...
    But, this would take another week or 2, because of a back order on parts..... eye, yi, yi ...
    I could have saved you all that trouble by repairing your LCM.................. oh well.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  8. #98
    Join Date
    Aug 2011
    Location
    Wisconsin
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    4,338
    Quote Originally Posted by Fatssstrucker View Post
    Thanks for the info. I have 2004 Merc Gran Marquis. Tail lights, markers lights went out once or twice over like 6 months. Finally 1 day, headlights went out.
    Had the recall notices for a couple of years. I figured that I'd let a local, well reputable dealer do the LCM recall work. Never, ever did they mention that they
    were going to only "jerry rig" this with a half-ass "by pass kit". The tail lights kept failing of course. Had my regular shop spend a few hours trying to figure out
    the tail light marker light failure(s). We assumed that the LCM had been replaced... Replaced the headlight switch on the dash, special order, could not return, did not help.
    Tried installing a new " all-in-one" switch on the steering column, did not help. Went back to dealer, said it was " body control module". Then dealer called back, said it wasn't that,
    that it was the the LCM... Then they explained that they didn't originally replace the LCM, that they only did the LCM bypass kit... Which was all the recall called for: a repair to
    prevent the headlights from going out unexpectedly... So now they could replace the LCM, which they should have done to begin with, for around $650. including labor...
    But, this would take another week or 2, because of a back order on parts..... eye, yi, yi ...
    What ever you do, do NOT let the dealer do the LCM recall repair on your car. They will butcher the heck out of your wiring. Have FBM or someone just do a relay upgrade on your LCM = lifetime repair.

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  9. #99
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    Do not pay for the LCM. Get. Ford to cover it as it was recalled originally.


    Sent from my iPhone using Tapatalk

  10. #100
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    Quote Originally Posted by BLACKMARAUDER04 View Post
    Do not pay for the LCM. Get. Ford to cover it as it was recalled originally.


    Sent from my iPhone using Tapatalk
    This is true, but................. since new LCM's are NOT available from the dealer, the Ford approved repair is to hack the wiring to bypass the LCM. As you can see from Fatssstruckers post, that is what the dealer did..... hack up the wiring.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  11. #101
    Join Date
    Sep 2005
    Location
    APPLE VALLEY,CA
    Age
    59
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    There are plenty of new LCMs available from Ford. If you have not had it replaced before, they should replace it at no charge under the original recall.
    In my case, they have replaced it twice in my black under the recall. The new way would be the hack. I have 2 LCMs in my garage that have been repaired in case the ones in the car go bad.
    My black still has the second one in it, my silver has one from a junkyard I purchased so I could get the original repaired.


    Sent from my iPhone using Tapatalk

  12. #102
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    Sep 2005
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    APPLE VALLEY,CA
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    LCM part 4W7Z-13C788-BD.
    Tasca parts says:
    MSRP:
    $379.89
    Discount:
    $147.97 (39% off)
    Sale Price:
    $231.92
    Core Charge:
    $50.00 Core Charge Applies


    Sent from my iPhone using Tapatalk

  13. #103
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    Mar 2007
    Location
    Texas
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    42
    I have the 15S39 fix as of Oct 2019 according to my receipts

  14. #104
    Join Date
    Oct 2005
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    Southwest Florida, Lee County
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    I live in South Florida and will FIX your LCM with a relay (concealed inside) free if you cover shipping to/from me. Email BadMerc@gmail.com
    '04 Silver Marauder w/ sunroof - HID lighting, JL Audio / Eclipse DVD/NAV/iPod/camera, 4.10's, 2" drop, Progard Bumper Baffle, Delete tips, Billet Pedals, BC4E dead pedal, Lidio Tune, Mach1 chin spoiler, K&N CAI, TCE lines, Super40's, tinted tails, SS Inserts, Heinous Control Arms, Real oil gauge, lighted door handles. Currently installing Eaton M112.

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  15. #105
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    I tried searching LCM and the search says nothing found, wasn't there a post here somewhere on performing the fix yourself somewhere here. I just picked up a backup LCM and want to fix it so I have a known good one waiting on the shelf for the if/when event of it going bad occurs.

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