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FJR Motorcycle Forums
Technical & Mechanical Problems
Gen 3 rear LED indicators
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<blockquote data-quote="ionbeam" data-source="post: 1318627" data-attributes="member: 277"><p>More non answers to your post, please feel free not to read my wordy, useless posts that contain no information.</p><p></p><p>The 1156 is a single filament bulb, the 1157 is a dual filament; the 1156 only works as a signal indicator, the 1157 works as a running light and a signal/brake lamp. The locking nubbins (highly technical term) on the base of the bulbs are keyed so that you can't interchange a 1156 with a 1157.</p><p></p><p>Brightness doesn't matter if the reflector is not made to focus the light source, such as a linear filament vs a distributed, circular light emitter. Brightness alone isn't an indication that the LED bulb is better unless you read what the LED company says, it's almost like they are trying to sell you something.</p><p></p><p>Some BMWs that I've ridden do measure filament current, it goes along with a dash warning that tells you that a filament or filaments are open or shorted. Since the FJR doesn't have a lamp failure warning I strongly suspect that the ECU simply is a switch to turn on the signals. Since it is just a switch it shouldn't matter if the load is a filament or LED.</p><p></p><p>Based on what Tec says in their <s>propaganda</s> ad, I can tell you that the Tec LED bulbs have a built-in current limit so they can be directly plugged into a 12 volt system, no drop resistor needed.</p></blockquote><p></p>
[QUOTE="ionbeam, post: 1318627, member: 277"] More non answers to your post, please feel free not to read my wordy, useless posts that contain no information. The 1156 is a single filament bulb, the 1157 is a dual filament; the 1156 only works as a signal indicator, the 1157 works as a running light and a signal/brake lamp. The locking nubbins (highly technical term) on the base of the bulbs are keyed so that you can't interchange a 1156 with a 1157. Brightness doesn't matter if the reflector is not made to focus the light source, such as a linear filament vs a distributed, circular light emitter. Brightness alone isn't an indication that the LED bulb is better unless you read what the LED company says, it's almost like they are trying to sell you something. Some BMWs that I've ridden do measure filament current, it goes along with a dash warning that tells you that a filament or filaments are open or shorted. Since the FJR doesn't have a lamp failure warning I strongly suspect that the ECU simply is a switch to turn on the signals. Since it is just a switch it shouldn't matter if the load is a filament or LED. Based on what Tec says in their [S]propaganda[/S] ad, I can tell you that the Tec LED bulbs have a built-in current limit so they can be directly plugged into a 12 volt system, no drop resistor needed. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Gen 3 rear LED indicators
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