Led strip resistors - BMW NineT Forum
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post #1 of 11 Old 03-20-2017, 12:24 PM Thread Starter
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Led strip resistors

Hi folks, I've made a DIY mount with double led strip. It has gone great so far until I've hit a snag. When I plug it in the light the brake light comes on. I thought that the resistor part was in the bike loom so don't understand why this is happening. Can anyone help explain this or tell me if I need to add resistor or dual filament wiring? From snippets of info I've picked up in other posts I thought I shouldn't but something isn't right?
Thanks in advance for any help you can give me. Led strip resistors-img_0725.jpg


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post #2 of 11 Old 03-20-2017, 01:38 PM
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Hi Jungle,

Not knowing for sure how you are set-up, but it sounds as if you've connected the brake light to the running light wire from the bike loom. Can you describe which wires you've connected to which (color codes)? That might help.
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post #3 of 11 Old 03-20-2017, 02:32 PM Thread Starter
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Hi Bill, I'd followed the wire set up on another thread. I've just had a look and Tiago Garcia had updated the info with a correction! Went out and tried what you said and bingo......light strip is now swapping between running and brake just as it should. Thanks a lot for your help, sometimes you can't see the wood for the trees hahaha. One thing now though is I have a yellow triangle warning ⚠️ on the dash and a message when I switch on the ignition that says "dwa" any ideas about this?


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post #4 of 11 Old 03-20-2017, 02:36 PM Thread Starter
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Some pics of it working


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post #5 of 11 Old 03-20-2017, 02:50 PM
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Quote:
Originally Posted by Jungle View Post
One thing now though is I have a yellow triangle warning ⚠️ on the dash and a message when I switch on the ignition that says "dwa" any ideas about this?
DWA is for the anti-theft alarm. Do you have one installed? The only warning indication listed in the manual is that the DWA battery is bad.
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post #6 of 11 Old 03-20-2017, 03:02 PM Thread Starter
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Led strip resistors

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DWA is for the anti-theft alarm. Do you have one installed? The only warning indication listed in the manual is that the DWA battery is bad.


Hi Bill, yes I do have one installed. I wonder if it's just a coincidence that this has popped up. Could it be anything to do with the fact I've removed the tail light? The bike started no problem.



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Last edited by Jungle; 03-20-2017 at 03:04 PM.
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post #7 of 11 Old 03-20-2017, 03:16 PM
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Good question. I would test your alarm system to make sure it works properly. I'm not sure what the interface is between the alarm and the ECU as I don't have an alarm, myself. The alarm does use two CR123A lithium batteries.
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post #8 of 11 Old 03-20-2017, 03:18 PM Thread Starter
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I will do. Thanks again Bill.


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post #9 of 11 Old 03-28-2017, 07:38 AM Thread Starter
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Led strip resistors

Update Bill: Your "swap the wires" tip worked and the DWA warning was coincidence. Caused I think by turning the ignition on and off to test my strip lights during the development process. Went for a blast yesterday and it disappeared as soon as I got into the ride. It's not there this morning. No resistors required
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post #10 of 11 Old 03-28-2017, 08:39 AM
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Good news! I think they've definitely changed things for the 2017 models.
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