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FJR Motorcycle Forums
FJR Parts & Accessories Discussions
Wiring for Trickle Charger and Auxiliary Power
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<blockquote data-quote="torch" data-source="post: 1463137" data-attributes="member: 1295"><p>Not exactly. The PWM controller will deliver the full 12v to the clothing during the on part of the duty cycle, but won't necessarily be drawing 7.4A. At max duty cycle it will probably be drawing close to that (within, say, 5%), but at lower duty cycles (ie: less heat) it will be drawing a similar percentage of current from the bike. EG: at 50% duty cycle, it will draw somewhere around 3.5 amps. That's the beauty of PWM controllers compared to resistive controllers.</p><p></p><p>In any event: DO NOT attempt to use an outlet fed from a PWM heat controller to connect a battery charger! Or supply an air compressor, even at max duty cycle. In the first case, it won't work and may damage the controller. In the second it will probably damage the controller. </p><p></p><p>I do use my rear SAE connector for either a charger or passenger vest, BUT I have an inline controller for the passenger. The connector is simply a fused connection to the battery, the inline controller or charger plugs into that. My front connector is dedicated to my vest and fed from a dash-mounted controller.</p></blockquote><p></p>
[QUOTE="torch, post: 1463137, member: 1295"] Not exactly. The PWM controller will deliver the full 12v to the clothing during the on part of the duty cycle, but won't necessarily be drawing 7.4A. At max duty cycle it will probably be drawing close to that (within, say, 5%), but at lower duty cycles (ie: less heat) it will be drawing a similar percentage of current from the bike. EG: at 50% duty cycle, it will draw somewhere around 3.5 amps. That's the beauty of PWM controllers compared to resistive controllers. In any event: DO NOT attempt to use an outlet fed from a PWM heat controller to connect a battery charger! Or supply an air compressor, even at max duty cycle. In the first case, it won't work and may damage the controller. In the second it will probably damage the controller. I do use my rear SAE connector for either a charger or passenger vest, BUT I have an inline controller for the passenger. The connector is simply a fused connection to the battery, the inline controller or charger plugs into that. My front connector is dedicated to my vest and fed from a dash-mounted controller. [/QUOTE]
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FJR Parts & Accessories Discussions
Wiring for Trickle Charger and Auxiliary Power
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