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Thread: LED turn signal bulbs. How to stop hyperflash

  1. #1
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    LED turn signal bulbs. How to stop hyperflash

    My old bulbs we're looking trashy so I decided to put LED replacements in. Now I have the hyperflash. What is the easiest way to fix it? I see there is an electronic flasher option and a resistor option. Can anyone give a definitive answer/guide on this for dummies?

    If I do the resistor route, what wire does it go on, and what type of resistor is it? There's some cheap 6 ohm ones on Amazon.
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  2. #2
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    Look it up. I believe it’s an EP27 flasher at any auto part store. The idea of soldering resisters vs a plug and play flasher makes zero sense to me.

    I did this to both my Marauder and my F150 and both work perfect like nothing was ever changed.


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    SOLD 12/31/2021

    Cobra short block / ProCharger F1-A / Cog drive upgrade / Manley valves / Brian Tooley Racing valve springs / 80# inj. / -8 fuel line / -6 return / Aeromotive 340 pumps and regulator / 2012 GT500 TR6060 six speed / twin disc clutch / Driveshaft Shop GT500 upgraded CV joint shaft / BA5000 blow thru MAF/ 4.10's / Ford Racing 31 spline set up and Girdle / Metco D.S. safety loop / Stainless Works headers, cats, and everything else out back / ClassGlass hood / Bob's hood strut mod / Hurst line lock / Metco control arms / Addco front and rear sway bars / Monroe severe duty shocks all around / Race concepts rotors / Badgeless grille / 35% tint / FBM's interior LED kit and ambient lighting kit / Pioneer FB700 deck / kenwood speaker 4 Ch. / Rockford Fosgate 10" sub and amp / Kicker 6 X 8's all around / back up cam / bluetooth / Pioneer Xm / 704 RWHP 603 RWTQ tuned by Mo's Speedshop.

  3. #3
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    So there is a spot for the EP27 to plug in then? I was reading it only worked for 2007+ Panthers...
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  4. #4
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    So, first I’ve really heard of this. Just changed those bulbs out actually with new longer life ones. I know LEDs basically last forever, but are they brighter?

    What is hyperflash by the way?

    Where does the flasher fit in the system? As with all upgrades, looking at the cost/benefit and how to do it.

    Thanks.


    Sent from my iPhone using Tapatalk
    2003 black pre-decontented 300B #5886 of 7838; Born on 10/31/02
    MartyO tune, 4:10's, T/A stud & girdle, MMX shaft+DS loop, Metco control arms, Quickor RSB, Addco FSB, Megs delete tips, Granatelli solid coil connectors, NGK plugs & LP 170 stat, DR rear engine cooling mod, PI 3000 TC, Level II tranny, Art Carr deep pan, Steeda pullies/billet caps, billet door locks, Ford Racing oil cap / polished coil covers, PHP CAK & Metco carbon fiber intake, DG Motorsports CF radiator cover, Fumoto oil drain valve, oil deflector, real Autometer gauges, ScanGauge II, Weatherflectors, underbody lighting kit, Zack chrome grill, OEM spoiler & door edge guards, KB dead pedal, Dynopro aluminum sills & pedals, Viper alarm w/ remote start, MM fender badges, red painted calipers, SS inserts, Silverstar Ultras, hood bumpers, 35% tints, Gorilla lug nuts, MM valve caps, Pro-Guard, DD trunk lid liner, CM UHI kit, CM Godshead rear & steering wheel badges, S-55 badge, FilterMag, MM trunk bib, ported sub-woofer.

  5. #5
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    Quote Originally Posted by Svashtar View Post
    So, first I’ve really heard of this. Just changed those bulbs out actually with new longer life ones. I know LEDs basically last forever, but are they brighter?

    What is hyperflash by the way?


    Where does the flasher fit in the system? As with all upgrades, looking at the cost/benefit and how to do it.

    Thanks.




    Sent from my iPhone using Tapatalk
    The LEDs I put in are definitely brighter and more crisp color.


    Hyperflash is where the vehicle thinks a bulb is out and flashes at what looks like twice the speed. Very annoying, at least to me.


    No idea yet, just got under the dash and I don't see where it would go in plug and play considering there is a lighting control module involved. Looking for clarification on this. Maybe he means under the hood?
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  6. #6
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    Quote Originally Posted by 376shovel View Post
    The LEDs I put in are definitely brighter and more crisp color.


    Hyperflash is where the vehicle thinks a bulb is out and flashes at what looks like twice the speed. Very annoying, at least to me.


    No idea yet, just got under the dash and I don't see where it would go in plug and play considering there is a lighting control module involved. Looking for clarification on this. Maybe he means under the hood?
    It's not plug-n-play. You will need to splice the electronic flasher into the LCM harness.

    Been running one on mine for years.

    I have a few made up for sale with instructions.
    “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




  7. #7
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    Quote Originally Posted by fastblackmerc View Post
    It's not plug-n-play. You will need to splice the electronic flasher into the LCM harness.

    Been running one on mine for years.

    I have a few made up for sale with instructions.
    Cost and page to see Display ?
    2003 MM 300A
    #738 of 7,838 BLK
    Build date: 6/6/2002
    Adopted: 2/05/2013

    MODS:

    Metco control arms, Addco sway bars, TCE brake lines, Gatorback belt, remote start, underbody lights, custom doorsills. Black with custom silver hood stripes (S-55 theme)

    2004 CV LX SPORT
    ALL BLACK, 6 DISC, TUNED MZT
    Adopted on12/09/18 from chief455




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    Quote Originally Posted by MOTOWN MARAUDER View Post
    Im happy for you bro! Let the mods begin! I hear the mod bug broke his stinger when he heard you pulled the trigger!

    BIG BIG thanks to the GOD of marauder parts ( Darren) I am the 1st winner of Darren bag of fun give-away

  8. #8
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    Quote Originally Posted by Guittard22 View Post
    Cost and page to see Display ?
    Cost is $25.00, no display to see.
    “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




  9. #9
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    Quote Originally Posted by fastblackmerc View Post
    It's not plug-n-play. You will need to splice the electronic flasher into the LCM harness.



    Been running one on mine for years.



    I have a few made up for sale with instructions.

    Cool, thanks for the info. Just gets down to if it’s worth it to have brighter when the standard ones are working OK.


    Sent from my iPhone using Tapatalk
    2003 black pre-decontented 300B #5886 of 7838; Born on 10/31/02
    MartyO tune, 4:10's, T/A stud & girdle, MMX shaft+DS loop, Metco control arms, Quickor RSB, Addco FSB, Megs delete tips, Granatelli solid coil connectors, NGK plugs & LP 170 stat, DR rear engine cooling mod, PI 3000 TC, Level II tranny, Art Carr deep pan, Steeda pullies/billet caps, billet door locks, Ford Racing oil cap / polished coil covers, PHP CAK & Metco carbon fiber intake, DG Motorsports CF radiator cover, Fumoto oil drain valve, oil deflector, real Autometer gauges, ScanGauge II, Weatherflectors, underbody lighting kit, Zack chrome grill, OEM spoiler & door edge guards, KB dead pedal, Dynopro aluminum sills & pedals, Viper alarm w/ remote start, MM fender badges, red painted calipers, SS inserts, Silverstar Ultras, hood bumpers, 35% tints, Gorilla lug nuts, MM valve caps, Pro-Guard, DD trunk lid liner, CM UHI kit, CM Godshead rear & steering wheel badges, S-55 badge, FilterMag, MM trunk bib, ported sub-woofer.

  10. #10
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    Sorry if I steered you wrong, I just don’t recall having to do any real kind of work under there?


    Sent from my iPhone using Tapatalk
    SOLD 12/31/2021

    Cobra short block / ProCharger F1-A / Cog drive upgrade / Manley valves / Brian Tooley Racing valve springs / 80# inj. / -8 fuel line / -6 return / Aeromotive 340 pumps and regulator / 2012 GT500 TR6060 six speed / twin disc clutch / Driveshaft Shop GT500 upgraded CV joint shaft / BA5000 blow thru MAF/ 4.10's / Ford Racing 31 spline set up and Girdle / Metco D.S. safety loop / Stainless Works headers, cats, and everything else out back / ClassGlass hood / Bob's hood strut mod / Hurst line lock / Metco control arms / Addco front and rear sway bars / Monroe severe duty shocks all around / Race concepts rotors / Badgeless grille / 35% tint / FBM's interior LED kit and ambient lighting kit / Pioneer FB700 deck / kenwood speaker 4 Ch. / Rockford Fosgate 10" sub and amp / Kicker 6 X 8's all around / back up cam / bluetooth / Pioneer Xm / 704 RWHP 603 RWTQ tuned by Mo's Speedshop.

  11. #11
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    On RedTube, I mean YouTube I saw this vid from Larryo340 using Mercury Montego modified LED tails and an electronic flasher. Although quite a bit more involved and more expensive it's the direction I will be taking. It looks wayyyy better than OE and performs like stock LED taillights. https://www.youtube.com/watch?v=V3QTjasHKNs
    '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.

    2004 Mercury Marauder
    Born March 2004, adopted October 2005. Sold January 2012, adopted AGAIN January 2016
    2,187 of 3,214
    997 in Silver Birch
    448 with light flint interior
    304 with heated seats
    336 with sunroof

  12. #12
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    Quote Originally Posted by BAD MERC View Post
    On RedTube, I mean YouTube I saw this vid from Larryo340 using Mercury Montego modified LED tails and an electronic flasher. Although quite a bit more involved and more expensive it's the direction I will be taking. It looks wayyyy better than OE and performs like stock LED taillights. https://www.youtube.com/watch?v=V3QTjasHKNs
    Wiring in an electronic flasher is the only way to go in my opinion. I did not like the idea of having resistors in the car which get very warm...I just don’t trust them. I put the electronic flasher near the steering column, and spliced into the multifunction switch harness instead of the LCM. The wires that are needed travel thru the switch which to me was easier then getting under the dash at the LCM harness. Using the factory wiring manual I located the wires at the switch and installed the flasher.

    Side note:
    I did attempt the same modification using Montgomery oem LED’s to the Marauder tail lamps, but the Marauder lamp is not as deep as the Marquis lamp causing all sorts of fitment issues so I called it quits.

    '98 MGM LS...sold..................... .............................. ..'03 300A...sold 6/17

  13. #13
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    Quote Originally Posted by larryo340 View Post
    Wiring in an electronic flasher is the only way to go in my opinion. I did not like the idea of having resistors in the car which get very warm...I just don’t trust them. I put the electronic flasher near the steering column, and spliced into the multifunction switch harness instead of the LCM. The wires that are needed travel thru the switch which to me was easier then getting under the dash at the LCM harness. Using the factory wiring manual I located the wires at the switch and installed the flasher.

    Side note:
    I did attempt the same modification using Montgomery oem LED’s to the Marauder tail lamps, but the Marauder lamp is not as deep as the Marquis lamp causing all sorts of fitment issues so I called it quits.

    I am quite sure those wires can be obtained at the body harness to rear of car in door jamb. I use Identifix so I'll be keeping notes/pics and share my experience when I do this mod. Thanks Larry for the vid!
    '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.

    2004 Mercury Marauder
    Born March 2004, adopted October 2005. Sold January 2012, adopted AGAIN January 2016
    2,187 of 3,214
    997 in Silver Birch
    448 with light flint interior
    304 with heated seats
    336 with sunroof

  14. #14
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    Hi

    Fitted resistors in mine



    Regards

    Dereck

    I am"The Pondside Pain In Your Posterior"

  15. #15
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    Quote Originally Posted by fastblackmerc View Post
    Cost is $25.00, no display to see.
    PM me the details I'll take one. I'd like to know how it works in and the difficulty level
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

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