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  1. #1
    deathjam4 (OP)
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    Headlights And understanding.

    So as i understand it the reasoning behind the two different bulbs is so that when you change the lights the second one turns on and turns on the high beam on the main light.

    So instead i think ill buy 2 h4 led bulbs and cross the low beam into the other side so i have 2 active lows and highs. Ill let people know how that goes. its makes more sense this way to me. Other wise ill install the projector lights like other people have done. but this mod intregies me more right now and is alot cheaper.

  2. #2
    Awesomeness, Inc. MattR302's Avatar
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    Re: Headlights And understanding.

    On the FZ6:
    The low beam is a single filament H7 bulb.
    The high beam is a dual-filament H4 bulb, but only the high-beam filament is used.
    With the switch in “low beam” position, only the H7 filament is lit.
    With the switch in “high beam” position, both the H7 filament and the H4 high-beam filament are lit.

    The “dual headlight mod” that is popular here involves supplying low-beam power to the unused H4 filament.
    With this mod done:
    With the switch in “low beam” position, the H7 filament and the H4 low filament are lit.
    With the switch in “high beam” position, the H7 filament and the H4 high filament are lit.
    This mod adds a bit of usable light output to help you see at night, and having two low beams helps oncoming traffic see you. But most importantly, it ends people saying “hey you have a headlight out!”

    Bikes such as the SV650, Vstrom, ZZR600, have dual H4 bulbs, but their reflectors are designed for that. It wouldn’t be practical to try to add dual H4 bulbs to this bike.
    Matt
    2007 Yamaha FZ6 - Sold

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  4. #3
    Vrrroooooom! Headlights And understanding. Motogiro's Avatar
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    Re: Headlights And understanding.

    To add to this the OEM wiring for the FZ6 with the fairing does not turn off the low beam when the high beam is turned on in the H4 lamp. This means there should be a means to turn that low beam filament off during high beam operation in the H4. This is how the H4 was designed to be operated but it is not provided for the H4 lamp because only the high beam was used in the H4. If not modified the H4 will over heat and fail prematurely with both filaments operating at the same time.

    There are a few ways to accomplish proper switching.
    Last edited by Motogiro; 08-06-2019 at 07:50 AM.
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

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  6. #4
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Headlights And understanding.

    IE, when on HB (right side-US models), both filaments will be lit ALL THE TIME and over-heat the bulb.

    Your also drawing more watts (which the FZ really can't afford to lose).


    The BD43 mod uses the factory wiring harness and turns off the LB when switching to high beam.


    You can make your own wire / connector (set up) but will need the correct wire connectors to fit into the factory harness.
    Plus you need to do some dismantling to access the electrical plug.
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

  7. #5
    deathjam4 (OP)
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    Re: Headlights And understanding.

    Mine is the USA model. It still has the orignal ownership from there as well lol. The previous owner went thru the import process so all i had to do was change it over. So both elements are lit. When i switch to leds tho it should defiantly run less power then the hologens. I plan to fully convert all lights to led eventually but defiantly want to get them voltage eaters out of the head light. I recently changed my brake light to an led i had left over from my old bike that fit and its already helping with the volts. Ill look into the bd43 mod your talking aabout and see how that works. What i might do is simply do a little rewiring and put a relay in to shift power to one or the other wire to make the same effect. Especialy if 4 lights provides to be to much od an issue. Ill be buying a voltage meter sooner or later for this bike as well. It drives me nuts not being able to monitor my voltages in live action while i drive lol.

    Thanks for all the input guys once again i appreciate it.

  8. #6
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Headlights And understanding.

    Motogiro (Cliff), did the "relay thing" for the headlights when he had his FZ and that worked fine..

    You seem to be pretty knowledgeable so it shouldn't be difficult for you..
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

  9. #7
    deathjam4 (OP)
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    Re: Headlights And understanding.

    Thanks yea i do alot of mods and repairs on many different things. For me i like to post so i can get input and feedback as its the smart thing to do before going head over heels hehe.

    I figured some one may have done that already to lol. If i simply wire a relay i have in to the head lights then split it two ways figure i should get the back and forth i want. If its not a big strain i would rather just let all 4 go at the same time more light better visability. What i may do is get a stereo capacitor and use that to feed tje bikes power so the bike manages better on a more stable current. On second hand i may just use it to power any extras i may want to install. And i always want extra lol. I have many ideas ihust need the time and the money to make um reality.

    My cbr 125 handled a set of 4 under glow highpower lights easy enough after i converted it all to led so figure i should be not bad off if i do the same for this bike. But stable power is defantly my goal here so ill be doing alot of calculating i think to get it perfect lol.

    Ill be trying to take pictures and updates as i do my mods and will post them when i have a step by step. I already have an idea of the cap i want and its all led lit lol .

  10. #8
    Vrrroooooom! Headlights And understanding. Motogiro's Avatar
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    Re: Headlights And understanding.

    Quote Originally Posted by deathjam4 View Post
    Thanks yea i do alot of mods and repairs on many different things. For me i like to post so i can get input and feedback as its the smart thing to do before going head over heels hehe.

    I figured some one may have done that already to lol. If i simply wire a relay i have in to the head lights then split it two ways figure i should get the back and forth i want. If its not a big strain i would rather just let all 4 go at the same time more light better visability. What i may do is get a stereo capacitor and use that to feed tje bikes power so the bike manages better on a more stable current. On second hand i may just use it to power any extras i may want to install. And i always want extra lol. I have many ideas ihust need the time and the money to make um reality.

    My cbr 125 handled a set of 4 under glow highpower lights easy enough after i converted it all to led so figure i should be not bad off if i do the same for this bike. But stable power is defantly my goal here so ill be doing alot of calculating i think to get it perfect lol.

    Ill be trying to take pictures and updates as i do my mods and will post them when i have a step by step. I already have an idea of the cap i want and its all led lit lol .
    What's a stereo capacitor? How will that stabilize? The regulating system on the bike is shunt type.
    Last edited by Motogiro; 08-06-2019 at 10:11 PM.
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

  11. #9
    deathjam4 (OP)
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    Re: Headlights And understanding.

    A stereo capacitor is what most people use to help maintain voltage levels in thier cars when they install those highend stereos. Basicly it stores power like a battery but stores it more stabely. With out one you would notice the stereo every time the bass hit would drop your headlights when it draws the power to the amp. If its wired threw the capacitor it hits that reserve power first before the battery and keeps the battery voltage properly regulated. Capacitors come in many different sizes and can hold everything from a small to large charge. The coils in older cars work similarly. An old vw bug uses a large capacitor to store a charge then to put out a charge to the distributor old voltage systems required this for the right voltage out put for the cars to fire correctly.

    Sorry if that is a bit confusing but basicly its just a large voltage storage i can draw off with out hurting my battery or bike computer.

    Installed it would be wired after the battery and any extras would be wired to the capacitor and all the main wireing would still remain connected to the battery. If i do this i will have to re wire the head lights and switch to the capacitor manuely
    Last edited by deathjam4; 08-07-2019 at 08:20 AM.

  12. #10
    It's all good! Headlights And understanding. trepetti's Avatar
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    Re: Headlights And understanding.

    Don't think that is going to do much good. A cap stores EXCESS voltage, but if you are running with 4 headlight filaments on, plus the tail and marker lights, plus the engine requirements, there is no excess power available to store. The FZ has a relatively low-capacity charging system, so there is no extra 'supply'. A better approach is to reduce 'demand'. Going to all LED lighting for example will reduce the wattage demand on the charging system.

    You will still need to deal with the heat issue from having high and low on both sides on at the same time.
    2005 FZ6 - R6 Forks, FZ1 bar, Killernoodle clutch lever, Puig windscreen, Woodcraft sliders, BD43 headlight mod, Watsen LED signals, CRG RC2 levers, SW Motec tank bag, Givi topcase, Galfer SS brake lines, LED pod lights, LED Headlights, Hyperlites, Grip Puppies, Techspec tank pads, TownsendsFJR13 aux power port mount

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