Accessory Lights - Honda Rebel Forum
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post #1 of 8 Old 05-17-2019, 11:20 AM Thread Starter
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Accessory Lights

Have been considering getting these as additional lighting/fall back if the headlight ever goes out. https://www.ebay.com/itm/Motorcycle-...d/302549307390

Ad says they are 12 to 85 volts, which my limited knowledge of electronics tells me isn't the same as watts. But I'm wondering if they were wired correctly, could they have the same low/high beam effect as the headlight? If the answer is yes, how would I wire them to get hi/lo performance?

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #2 of 8 Old 05-18-2019, 02:23 PM
 
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So the ad does state a 10W draw, which at 12V is 0.8A. What's not clear to me is if that's for one lamp or both combined, so I would assume you need a 1.6A budget.



As they are both spotlights, to get a hi/low effect you are going to aim them both appropriately.


The simplest way to wire them would be with a separate on/off/on switch for low/off/high. If you wanted to burn both bulbs on high, I'd have to get some coffee. That would allow you to use them in addition to the regular lighting.


If you wanted to keep the existing light switch and instead use a main/backup toggle switch to decide between them, maybe two cups. This is probably the safest configuration as your brain is already programmed this way.


And finally simply wired in parallel will burn both the main-hi plus the spot-hi, main-lo plus spot-lo. Safest but draws more from the bike.


Let me know and I'll put a diagram together.

1986 Rebel 250 / N. California
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post #3 of 8 Old 05-18-2019, 04:10 PM Thread Starter
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Thanks. I'm hoping that even with my extremely limited understanding of electronics, I can wire them into the existing headlight circuit. Was just wondering if anyone could tell me if they could be wired to function as both high and low beams. With an LED headlight bulb already installed, I should have plenty of remaining power.

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #4 of 8 Old 05-18-2019, 04:33 PM
 
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Based from the Gen 1 wiring diagram...


Black from both spots to the Dark Green on the headlight (ground)

Red from the "lo" spot to the White on the headlight.
Red from the "hi" spot to the Blue on the headlight.

1986 Rebel 250 / N. California
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post #5 of 8 Old 05-19-2019, 08:05 PM
 
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flite you didn't say what year Reb, but I'm assuming '01 or later. The alternator will only put out 190 watts at peak efficiency. It takes around 2,500 RPM of the engine to roughly break even on watts used. At idle the battery is being depleted! So it does no good to run a Reb at idle for a while other than to loosen up the fuel system from stale gas. I've put heated grips on my '07 with no issues, however when stopped at stop lights I would rev the engine above the idle speed to account for more watts needed. The limiting factor is the 190 watts from the alternator, and remember at idle it's already drawing on the battery.

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post #6 of 8 Old 05-19-2019, 10:13 PM Thread Starter
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I was referring to the 2009. I've already put a (I think) 25/30 watt LED H4 bulb in the headlight, so there should be plenty of power to energize the accessory lights without overtaxing the system.

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #7 of 8 Old 05-21-2019, 12:58 PM
 
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Technically they are "off-road" meaning not DOT compliant. Nothing in the specs indicates they have multiple modes, just 2 wires, so you just get FLOOD or off. If you don't aim them way downward to avoid blinding other drivers with 6000L total illumination for the pair, you will get pulled over the first time LEO sees them at night.
3000L is about the brightness of a high-end halogen n high beam or a proper led H4 substitute on high beam.



to be "compliant" you need to add a handlebar switch like this one

https://www.ebay.com/itm/2-Pcs-of-Un...d/132933607217
so you can turn it on and off as needed.
the specs claim actual power consumption is 10W (about .9 amps) so you should be good for juice with the led main headlight.
the listed 12v-85v means it has its own internal power regulator so it can be connected to just about anything, dirt bike, buggy, atv, tractor, excavator, dumptruck, asphalt paver, golf cart, etc.


In the junction box behind the headlight, find the BLU/WHT wire from the harness, that's the source power for the head light, it goes up the handlebar to the high/low beam switch and comes back on the WHT for low beam or BLU for High Beam.


connect one side of your switch to that BLU/WHT, the other wire from your new switch is now power for your new lights, and there is a 4-way connector with all GRN wires for ground.
purchasing a collection of the 3.8 metric bike bullet connectors male and female would be useful, you can make some Y splitters to tap in easily since every wire in that junction box has them.

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post #8 of 8 Old 05-21-2019, 01:58 PM Thread Starter
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Thanks for the wiring instructions. Purchased a number of the metric connectors a while back, so I'm good to go in that department. Planning to leave them on all the time for added visibility, so don't plan on switching them separately (never have been all that compliant my wife says ). Think I'll go ahead and order them.
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Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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