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FJR Motorcycle Forums
FJR Parts & Accessories Discussions
LED Brake Lights on a Gen II (Some questions)
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<blockquote data-quote="jblanken64" data-source="post: 1396124" data-attributes="member: 79430"><p>So I have the LED bulbs and, as expected, they need resistors to not interfere with the ABS. I picked up some harnesses that add some resistors inline with the existing 1157 socket. The link is below:</p><p></p><p><a href="https://www.amazon.com/gp/product/B072JQQQLV/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1" target="_blank">https://www.amazon.com/gp/product/B072JQQQLV/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1</a></p><p></p><p>The harness work great. I hate splicing into wires if I don't have to. The thing I'm worried about is the heat dissipation of the resistors. Using an IR thermometer, I measured temps over 180 degrees just from the taillight. So the questions:</p><p></p><p>1) For those that have done this (or tried), what did you do about the heat buildup?</p><p></p><p>2) Where did you mount the resistors? I'm looking at the frame around the access point to the lights, as it is a metal frame.</p><p></p><p>There doesn't appear to be a way to introduce any airflow to the resistors and with summer approaching, the heat issues would probably just be compounded. I'd hate to not use these bulbs, as they are very nice.</p></blockquote><p></p>
[QUOTE="jblanken64, post: 1396124, member: 79430"] So I have the LED bulbs and, as expected, they need resistors to not interfere with the ABS. I picked up some harnesses that add some resistors inline with the existing 1157 socket. The link is below: [URL="https://www.amazon.com/gp/product/B072JQQQLV/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1"]https://www.amazon.com/gp/product/B072JQQQLV/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1[/URL] The harness work great. I hate splicing into wires if I don't have to. The thing I'm worried about is the heat dissipation of the resistors. Using an IR thermometer, I measured temps over 180 degrees just from the taillight. So the questions: 1) For those that have done this (or tried), what did you do about the heat buildup? 2) Where did you mount the resistors? I'm looking at the frame around the access point to the lights, as it is a metal frame. There doesn't appear to be a way to introduce any airflow to the resistors and with summer approaching, the heat issues would probably just be compounded. I'd hate to not use these bulbs, as they are very nice. [/QUOTE]
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FJR Motorcycle Forums
FJR Parts & Accessories Discussions
LED Brake Lights on a Gen II (Some questions)
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