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post #1 of 7 (permalink) Old 04-02-2019, 03:50 AM Thread Starter
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Year/Make/Model: 2006 Vulcan Nomad VN1600D
Displacement/CC's: 1600
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After doing a bit of searching around online, I found plenty of threads about the main headlight, but little to nothing about the other stock bulb sizes (and therefore, replacement options) on our machines. So, I thought I would try and put together a comprehensive list of bulb sizes/fitment for (at least) the Vulcan Nomad 1600s. Mine is a 2006 model.


HEADLIGHT:
H4 bulb
- stock incandescent can be replaced with xenon/halogen, HID, or LED lights
- pay attention to wattage with xenon/halogen, taking into consideration current draw and heat output
- HID require a warm-up time, likely negligible for most riders, but a possible consideration
- LED lights require (and seem to all come with) a conversion kit. Be sure of fitment

LED's: These headlight bulbs ended up being a really good option, particularly for the cost, and they work great. 40 bucks for 9600lm total, so 4800lm each bulb, and they work great.
For 20 bucks more, these bulbs are an even brighter option, at 6000K EACH (12000k lumens total), and work great.
Each of those options gives you two bulbs, so keep an extra, or go in with a friend for some nice savings. The car bulbs work the same as the "moto" versions. Either way, make sure you are paying attention to whether the advertised lumens are the TOTAL for the pair of bulbs, as opposed to each bulb.

Note: If you go with the Kisan Headlight Modulator, unfortunately you have to buy the one for motorcycles. The one for cars has a Master and a Slave unit, and cannot be used for two motorcycles.



RUNNING/DRIVING LIGHTS:
(Clear lights on either side of headlight, stock Kawa bar with switch on right)
H3 12V 25W

LED's: I ended up buying these LED bulbs, and they work great.



FRONT TURN SIGNALS:
1157 (P21/5W is the European designation)
- so, the same 2357/2357LL bulbs that fit the brake light will fit the turn signals. 2357 is also available in Amber.

LED's: I ended up buying these LED bulbs, and they work great. They are different from the ones for the rear turn signals (linked below).



BRAKE LIGHT/TAIL LIGHT:
Dual filament 1157 bulb: combo tail light (5w) and brake light (21w)
- 2357/2357LL (available at any auto parts store) produces the same brightness for the tail light (3 lumens, same amps) but 25% more light for the brake (40 lumens vs. 32, 2.2A vs 2.1A, 1.28 watt/4.76% increase).
2357LL is a very cheap and worthwhile incandescent upgrade, available at any auto parts store (and likely walmart).

LED's (FLASHING): I ended up going with this flashing LED brake light, and it has worked great. Bright, and flashes a few times before staying solid. No kit required, if your bike will handle LED bulbs (see note at bottom).



REAR TURN SIGNALS:
1156 (P21w)
- looks similar to the 1157, but there is no second, dimmer (5w) filament. The light is only on when the turn signal is activated, and off otherwise
- 796 is a replacement, same 21w but 64cp, instead of 32cp
- 3497 is also a brighter replacement option

LED's: I ended up buying these LED bulbs, and they work great. They are different from the ones for the front turn signals (linked above).

BTW, in addition to replacing the bulbs with LED bulbs, I ended up also adding red LED strips inside of my rear turn signal housings, a-la this Kuryakyn Triple Whammy thread, and am thus far happy with the results. It turns your rear turn signals into red running lights, which then blink yellow (with the red LED's deluminating) when you use the turn signal.



LICENSE PLATE LIGHT:
W5W, or 2825
- t3 or t3.25?
I believe either will work. LED bulbs do exist, but this was the one bulb I haven't yet bothered replacing with an LED.



Other Questions:
Do H4 LED replacement/conversion kits for cars NOT tend to fit our bikes? There are clearly bulbs sold specifically for motorcycles, but that doesn't always mean ONLY motorcycle-specific parts will work. And I can't find much info on general "automobile" H4 bulbs/kits not working for bikes.
Answer: Car H4 bulbs/kits DO in fact work on our H4-headlight-using motorcycles. You just get two bulbs for that price, instead of paying extra for only one bulb, because... motorcycle.



Note on switching to LED bulbs:
If you start plugging in LED bulbs, without making other modifications, your lights will begin having problems. You may get a fast blink. You may get both sides blinking, instead of just the appropriate side blinking, when you use the turn signals. You may get all of the turn signal bulbs staying on constantly.

In order to switch all of my bulbs to LEDs, I ended up using diodes to prevent the "both signals blinking" phenomenon. I believe this modification is unavoidable, if you switch to LED bulbs in your turn signals, because the OEM circuit actually grounds each side's bulb through the other bulb. And with LEDs requiring less power, that means both side illuminate.

In order to fix the fast-blink and/or the solid-on issues which arise from the LED's having a much lower resistance than standard bulbs... I ended up disassembling the turn signal relay, cutting the jumper inside, and soldering a resistor in its place, then closing the relay back up. This is not the only option, but (if you are able to do it) it is definitely the best option. Other options are
1) "burning off" and wasting power, in order to trick the system, or
2) replacing the relay with one made for LED's.

The first option doesn't make LED's pointless, as modern LEDs do tend to be brighter than their incandescent counterparts. But it does negate the power savings of the LED bulbs.
The only problem with the second option is that our OEM turn signal relays have a circuit which turns off the turn signal after it has been on for a period of time AND after traveling a particular distance. That's not a huge issue, as you can turn them off yourself, but I didn't want to lose that functionality.


I don't know if either of the above fixes are necessary, if you do not replace the turn signal bulbs with LED bulbs. Replacing only the headlight, running lights, and brake light with LED bulbs should not cause the "both signals flashing" issue, but I'm not sure whether it would cause any other issues. Since I have already modified my wiring harness and relay, I can't test this, either. So, if someone does have experience replacing the non-turn signal bulbs with LED's, please weigh in and let us know whether any issues arise if you don't make any modifications.



(BTW, I have no affiliation with, nor get any kickback from, any of the posted links. I'm just sharing what has worked for me far thus.)
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Buen Camino

Last edited by NoblePilgrim; Yesterday at 07:26 PM. Reason: Update
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post #2 of 7 (permalink) Old 04-02-2019, 07:02 AM
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the thing with replacing 1157 brake light bulbs with LED is the difference in contrast, I put in a 2357 in my tail light for this reason, the contrast reason, meaning when you're riding the tail light is 5 watts light? then when you brake, the contrast between the tail light to brake light will be increased in order to let the vehicle behind you know that you applied the brake, but with LED bulbs this contrast between tail/running light to brake is not significant enough to grab the driver's attention behind you, which I do think makes putting in any LED bulbs in the rear risky and might even be the cause of being rear ended. I am not a fan of LED bulbs in the rear, LED turn signals are fine but when you're braking you want to have as much contrast between running light to brake light as possible to alert the driver behind you that you're braking. LED bulbs just don't have that contrast between low running light to high brake light to grab the driver's attention.

Thunder Mfg teardrop 40's K&N 170MJ 48PJ 2.75turns DynoJet Needle DNO106 2nd notch V&H Cruzers Aeromach risers Michelin Commander IIs Wix 51358 filter 17T/40 Sprockets, 2357 rear bulbs

Last edited by btom; 04-02-2019 at 07:22 AM.
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post #3 of 7 (permalink) Old 04-02-2019, 08:32 AM
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On my 750 I've replaced everything except the headlight and instrument lights with LEDs. As for my read lights, there is a significant difference between the brightness of the running lights and the brake lights. So, I'm not entirely sure why btom's aren't doing the same.

I am not an electronics expert by any stretch. My LEDs all came from Custom Dynamics. Everything came as a package and I installed what they sent me. I couldn't begin to tell you that there were so many capacitors, or fuses, or whatever that shiny little things were. Besides, it was a number of years ago, too. All that I know is that they work as desired.

But then again my setup also made the stock turn signals into brake lights and running lights. When riding, they show the yellow all the time and when braking they switch to red. So that takes care of the contrast issue as least as far as those two units go.

My license plate holder is also LED with two bars of red running/brake lights along with two bars of yellow turn signals. So my rear end (no jokes folks) is lit up for days.

But speaking purely about contrast of already-on-red-going-to-braking-red there's a pretty significant difference. I'd say when switching over they almost double in intensity. So, I'd think the best way to swap over from bulb to LEDs is to get them as a set and let the manufacturer figure out what you need.

Chris Cochran
Retired USAF '74 to '95 AMMO
Engine guard with highway pegs
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post #4 of 7 (permalink) Old 04-04-2019, 04:10 PM Thread Starter
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Nobody knows the bulb sizes for the front or rear turn signals, stock license plate light, or front running/driving lights?

Buen Camino
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post #5 of 7 (permalink) Old 04-04-2019, 04:50 PM
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rear turns should be 1156 bulbs and fronts 1157

Thunder Mfg teardrop 40's K&N 170MJ 48PJ 2.75turns DynoJet Needle DNO106 2nd notch V&H Cruzers Aeromach risers Michelin Commander IIs Wix 51358 filter 17T/40 Sprockets, 2357 rear bulbs
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post #6 of 7 (permalink) Old 06-19-2019, 12:38 PM
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Quote:
Originally Posted by NoblePilgrim View Post
After doing a bit of searching around online, I found plenty of threads about the main headlight, but little to nothing about the other stock bulb sizes (and therefore, replacement options) on our machines. So, I thought I would try and put together a comprehensive list of bulb sizes/fitment for (at least) the Vulcan Nomad 1600s. Mine is a 2006 model...
Thank you OP for posting this, it is really had to find quick info about the Vulcan bulbs...I got a 20018 Nomad and I am planning to change all bulbs to LED.
Currently I have only the Brake/Tail ligh on LED and I can recommend this one as it is very bright in both modes and has a good contrast between tail and brake intensity plus it is cheap and fits with no issues.




I am will be using the same brand/model with different colors for the front directional/running light and 1156 for rear directional








Now I just need find a decent fan-less H4 LED bulb that will fit in the headlight. I got this type on my CR-V and they are great, with nice whitish tint, look for ZES leds as they are brighter and less blue:


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post #7 of 7 (permalink) Old Yesterday, 07:32 PM Thread Starter
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So glad this post has helped someone else!

I have updated my initial post again, with more links to bulbs that work in every slot, since I have (since my creation of this thread):
- swapped over just about all of my bulbs to LED's,
- added a headlight modulator, and
- added led strips into the rear turn signal housings to convert those turn signals into 3-ways.


Right now, I'm trying to figure out the best way to add some 2-way trailer LED lights to my saddlebags, and wire them in such a way that they function as three ways. When I have moved forward with that, and have made sure it's working without bugs, I will update the original post again.

BTW, @Hawk600 , were you able to switch the headlight, running lights, and brake lights to LEDs, without making any modifications? Converting the turn signals to LEDs requires some modifications; but I would love to be able to indicate whether the decreased current draw of the non-directional-indicator bulbs has any other impact on the bike's electrical system. If you have a 2018 Nomad, though, I wouldn't be surprised if you could just swap all of the bulbs (including directional indicators), without needing to make any modifications.

Buen Camino

Last edited by NoblePilgrim; Yesterday at 07:37 PM.
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