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FJR Motorcycle Forums
Technical & Mechanical Problems
The Recall Ignition Switch - What's new about it?
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<blockquote data-quote="Fred W" data-source="post: 547781" data-attributes="member: 3828"><p>As to the new switch, and what makes it better: The overheating of the solder joints was due to the large amount of current passing through the resistance of the switch's contacts. They would be the spot that has the most resistance in the circuit and would develop the heat.</p><p></p><p>I've taken one of Brodie's pictures and annotated the switch contacts with what I believe is the way the wiring colors are below:</p><p></p><p><img src="https://inlinethumb36.webshots.com/2403/2994341080098858932S600x600Q85.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>I believe that the big solder glob under the brown wire (see the view of the wire side of the contact plate) is a jumper between the larger oval and smaller oval contact pads, as I have indicated above with a white line.</p><p></p><p>What that means is that the 3 point wiper shorts the large oval brown pad and the large oval red pad together, same as always. And now one of the two point wipers (which were previously unused) shorts the smaller oval brown pad to the round white. This means that , not only do we get twice as many contact points, the contacts are on different wipers in the plastic carrier.</p><p></p><p>There really was no need to increase the number or gauge of the physical wires, just decrease the current through the each contact. In fact, I'm very surprised that they added an entire new white wire back to the connector. THat really makes no sense to me. All they needed to do was to jumper from the Red pad to the White pad somehow.</p></blockquote><p></p>
[QUOTE="Fred W, post: 547781, member: 3828"] As to the new switch, and what makes it better: The overheating of the solder joints was due to the large amount of current passing through the resistance of the switch's contacts. They would be the spot that has the most resistance in the circuit and would develop the heat. I've taken one of Brodie's pictures and annotated the switch contacts with what I believe is the way the wiring colors are below: [IMG]https://inlinethumb36.webshots.com/2403/2994341080098858932S600x600Q85.jpg[/IMG] I believe that the big solder glob under the brown wire (see the view of the wire side of the contact plate) is a jumper between the larger oval and smaller oval contact pads, as I have indicated above with a white line. What that means is that the 3 point wiper shorts the large oval brown pad and the large oval red pad together, same as always. And now one of the two point wipers (which were previously unused) shorts the smaller oval brown pad to the round white. This means that , not only do we get twice as many contact points, the contacts are on different wipers in the plastic carrier. There really was no need to increase the number or gauge of the physical wires, just decrease the current through the each contact. In fact, I'm very surprised that they added an entire new white wire back to the connector. THat really makes no sense to me. All they needed to do was to jumper from the Red pad to the White pad somehow. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
The Recall Ignition Switch - What's new about it?
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