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  1. #1
    Very Active Member troop's Avatar
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    Default Brake light wiring ?

    Hey all,
    With my manual not handy, hoping someone has the answer to my brake light question? I want to posi tap my luggage rack light into my brake lights for easy disconnect. My add on light has both brake/tail light functions. Currently, I just have it wired in to the accessory wiring under the passenger seat. I'm guessing black is ground but not sure which is constant on (tail) or brake on between the solid tan wire and gray/red tracer wire. Thanks for any info..
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    2019 F3-S SE6 Monolith Black
    --------------------------------
    Comfort: Madstad 14" dark gray - 20" light gray windshields/Seth Laam seat/Homemade floorboards-highway pegs/+4 and +5 linkage/Long Reach Bars/Heated grips/Big Bike rider backrest/Handguards

    Ride and Handling: Spyder**** sway bar/Vredestein Q5 front tires/Cooper CS5 Ultra rear tire/Two Up shock/Laser aligned

    Performance: DynoJet PV3 (tweaked by Fuel Moto)/K&N air filter/Baldwin cat delete pipe/LaMonster belt roller

    Convenience: Shad detachable luggage/Spyder**** USB-12V powerport/Bar end mirrors/Garmin Zumo XT GPS/Lamonster Packrack-Kappa 56L top case

    Safety/Protection: H4 LED headlights/Aux fender LED lights/TricLED driving lights/TricLED run-brake-turn rear light/Frunk lip LED light strip/Spyderpops bumpskid pan

  2. #2
    Very Active Member RICZ's Avatar
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    When I'm having this quandary, I get out my trusty test light.
    Ours is a red, black and chrome 2017 F3 Limited. Bought new in 2/2019. The avatar is my first bike back in 1952, a Simplex Servi-Cycle. Photo taken at the Barber Museum.

  3. #3
    Very Active Member Rattlebars's Avatar
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    Best I can do right now. I do believe your signals are involved at the bulb shown in your pic. You may need to grab the brake white wire in front of the flasher or at the brake switch at the rear of brake rod. This is an uneducated guess as I have not had experience with the F3S combined tail lights.


  4. #4
    Very Active Member eddieshep999's Avatar
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    On my 2018 F3T I added a. Extra Brake light to my Shad 58X Top Box
    I tapped into the White wire
    See my post

    https://www.spyderlovers.com/forums/...e+light+colour
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    Eddie Sheppard
    Poole Dorset UK

    Get a Spyder - See the World


  5. #5
    Very Active Member troop's Avatar
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    Quote Originally Posted by eddieshep999 View Post
    On my 2018 F3T I added a. Extra Brake light to my Shad 58X Top Box
    I tapped into the White wire
    See my post

    https://www.spyderlovers.com/forums/...e+light+colour
    Awesome.. Thanks. T-taps ordered


    2019 F3-S SE6 Monolith Black
    --------------------------------
    Comfort: Madstad 14" dark gray - 20" light gray windshields/Seth Laam seat/Homemade floorboards-highway pegs/+4 and +5 linkage/Long Reach Bars/Heated grips/Big Bike rider backrest/Handguards

    Ride and Handling: Spyder**** sway bar/Vredestein Q5 front tires/Cooper CS5 Ultra rear tire/Two Up shock/Laser aligned

    Performance: DynoJet PV3 (tweaked by Fuel Moto)/K&N air filter/Baldwin cat delete pipe/LaMonster belt roller

    Convenience: Shad detachable luggage/Spyder**** USB-12V powerport/Bar end mirrors/Garmin Zumo XT GPS/Lamonster Packrack-Kappa 56L top case

    Safety/Protection: H4 LED headlights/Aux fender LED lights/TricLED driving lights/TricLED run-brake-turn rear light/Frunk lip LED light strip/Spyderpops bumpskid pan

  6. #6
    Very Active Member Rattlebars's Avatar
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    If all you have is a single array of LEDs for supplemental brake light and want to make it a running AND brake light, you can use this simple circuit to create it.


  7. #7
    Very Active Member troop's Avatar
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    SUCCESS !! Tapped a t-tap into the white wire at the brake light. All works good. Thanks


    2019 F3-S SE6 Monolith Black
    --------------------------------
    Comfort: Madstad 14" dark gray - 20" light gray windshields/Seth Laam seat/Homemade floorboards-highway pegs/+4 and +5 linkage/Long Reach Bars/Heated grips/Big Bike rider backrest/Handguards

    Ride and Handling: Spyder**** sway bar/Vredestein Q5 front tires/Cooper CS5 Ultra rear tire/Two Up shock/Laser aligned

    Performance: DynoJet PV3 (tweaked by Fuel Moto)/K&N air filter/Baldwin cat delete pipe/LaMonster belt roller

    Convenience: Shad detachable luggage/Spyder**** USB-12V powerport/Bar end mirrors/Garmin Zumo XT GPS/Lamonster Packrack-Kappa 56L top case

    Safety/Protection: H4 LED headlights/Aux fender LED lights/TricLED driving lights/TricLED run-brake-turn rear light/Frunk lip LED light strip/Spyderpops bumpskid pan

  8. #8
    Very Active Member Rattlebars's Avatar
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    At the bulb? Have a pic? Signals don't interfere? Just trying to understand the S wiring with the dual purpose bulbs.

  9. #9
    Very Active Member troop's Avatar
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    Quote Originally Posted by Rattlebars View Post
    At the bulb? Have a pic? Signals don't interfere? Just trying to understand the S wiring with the dual purpose bulbs.
    Here is the light. Ebay price of $11 from USA vendor. https://www.ebay.com/itm/10-inch-Sea...72.m2749.l2649
    Not sure if it would work as a run/brake light, I connected the ground/run wiring to my accessory connection under the passenger seat. Works good, and no big deal when on only with the machine running. For the brake light, I took the above info and t-tapped into the white wire running directly to the bulb. Running light on at start up and brake light activates when ignition on. No signal interference or hyper flash. The accessory light is quite bright and the brake light is much brighter. Not too shabby for $18 investment.
    Attached Images Attached Images


    2019 F3-S SE6 Monolith Black
    --------------------------------
    Comfort: Madstad 14" dark gray - 20" light gray windshields/Seth Laam seat/Homemade floorboards-highway pegs/+4 and +5 linkage/Long Reach Bars/Heated grips/Big Bike rider backrest/Handguards

    Ride and Handling: Spyder**** sway bar/Vredestein Q5 front tires/Cooper CS5 Ultra rear tire/Two Up shock/Laser aligned

    Performance: DynoJet PV3 (tweaked by Fuel Moto)/K&N air filter/Baldwin cat delete pipe/LaMonster belt roller

    Convenience: Shad detachable luggage/Spyder**** USB-12V powerport/Bar end mirrors/Garmin Zumo XT GPS/Lamonster Packrack-Kappa 56L top case

    Safety/Protection: H4 LED headlights/Aux fender LED lights/TricLED driving lights/TricLED run-brake-turn rear light/Frunk lip LED light strip/Spyderpops bumpskid pan

  10. #10
    Very Active Member Rattlebars's Avatar
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    Dunno, maybe I just don't understand the S wiring for the tail lights. Manual states that if the brake is on, you get a solid for both. But if the brake and a signal is on, you get solid on the non-signalling side and a blink on the signalling side. Which side did you grab the WHITE from the bulb?

  11. #11
    Very Active Member troop's Avatar
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    Grabbed it from the left side bulb. Figured I'd leave well enough alone with the running light wires and keep attached to accessory connection. All signal lights work correctly both left and right with brake light both activated and off.


    2019 F3-S SE6 Monolith Black
    --------------------------------
    Comfort: Madstad 14" dark gray - 20" light gray windshields/Seth Laam seat/Homemade floorboards-highway pegs/+4 and +5 linkage/Long Reach Bars/Heated grips/Big Bike rider backrest/Handguards

    Ride and Handling: Spyder**** sway bar/Vredestein Q5 front tires/Cooper CS5 Ultra rear tire/Two Up shock/Laser aligned

    Performance: DynoJet PV3 (tweaked by Fuel Moto)/K&N air filter/Baldwin cat delete pipe/LaMonster belt roller

    Convenience: Shad detachable luggage/Spyder**** USB-12V powerport/Bar end mirrors/Garmin Zumo XT GPS/Lamonster Packrack-Kappa 56L top case

    Safety/Protection: H4 LED headlights/Aux fender LED lights/TricLED driving lights/TricLED run-brake-turn rear light/Frunk lip LED light strip/Spyderpops bumpskid pan

  12. #12
    Very Active Member Rattlebars's Avatar
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    Thanks troop. I'm guessing I still don't get the wiring of a CANBUS. Does the rear oem turn signal blink with the fronts in sync? Meaning when the front is lit, is the back one lit or does it work inversely. Reason I ask is .... well, here's a circuit which uses the hot from one light (#2) as ground for another light (#1). If the other light #2 goes hot, light #1 loses ground and shuts off. In the 70's GM would wire their side markers this way. It used the +12v from the signal as ground. Then when the signal went flashing, each time it went hot, the marker would go dark hence it would flash inversely with the actual blinker.



    Slingmods have a cubby (side vent) set of LED strips that are nice, but they are always on until you turn in your signal then they blink inversely with your actual signals. I didn't like that inverse and wanted them to blink with my signals but remain dark when not in use. You can see how I added my version of cubby lights to my SPyder at the link in my signature.

  13. #13
    Very Active Member troop's Avatar
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    Both sides blink in unison with their respective front/rear counterparts


    2019 F3-S SE6 Monolith Black
    --------------------------------
    Comfort: Madstad 14" dark gray - 20" light gray windshields/Seth Laam seat/Homemade floorboards-highway pegs/+4 and +5 linkage/Long Reach Bars/Heated grips/Big Bike rider backrest/Handguards

    Ride and Handling: Spyder**** sway bar/Vredestein Q5 front tires/Cooper CS5 Ultra rear tire/Two Up shock/Laser aligned

    Performance: DynoJet PV3 (tweaked by Fuel Moto)/K&N air filter/Baldwin cat delete pipe/LaMonster belt roller

    Convenience: Shad detachable luggage/Spyder**** USB-12V powerport/Bar end mirrors/Garmin Zumo XT GPS/Lamonster Packrack-Kappa 56L top case

    Safety/Protection: H4 LED headlights/Aux fender LED lights/TricLED driving lights/TricLED run-brake-turn rear light/Frunk lip LED light strip/Spyderpops bumpskid pan

  14. #14
    Very Active Member Rattlebars's Avatar
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    CANBUS will remain a mystery to me.

  15. #15
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    Unless your a Software Engineer, you really don't need to know a whole lot about CAN BUS.

    https://en.wikipedia.org/wiki/CAN_bus

    In short - it's a communications bus that allows microprocessors to talk to each other. Modern vehicle systems have dozens of microprocessor controlled sub-systems such as your engine ECU, your entertainment head-end unit, your ABS system, your vehicle stability system, your exterior lighting controller, and so on. They all talk to each other and operate as a complete system. CAN BUS is just the communication link between all them. Think of it as your vehicle's own private (internet) network just for its many computerized sub-systems...

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