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FJR Motorcycle Forums
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AVCC install on '07 wiring questions
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<blockquote data-quote="wfooshee" data-source="post: 1139633" data-attributes="member: 6354"><p>You guys are talking about two different sides of the brake light circuit here. The brown wire from the brake light fuse is 12V switched by the key. Bike on, brown wire is ALWAYS hot. That's where to connect the AVCC's red wire.</p><p></p><p>The wire that goes to the brake lights themselves is the one that triggers the AVCC disengage, not sure what color it is on the Gen-II, never having installed on a Gen-II. This is the one that apparently never actually quite sees an actual 0 volts and thus calls for some relay to trigger the AVCC's wire.</p><p></p><p>My comment some time back about using another 12V source to power the AVCC (not to detect the brakes) was to point out that should the brake light fuse get blown and you've powered the AVCC from there, it's failsafe. It will not power up. Should you use another 12V source, it's not failsafe. The AVGG will engage, but because there's no power on the brake light circuit, it will never detect the brakes and thus not disengage when the brakes are applied.</p><p></p><p>Burned out filaments in the brake lights will not cause the AVCC to fail. It will engage and disengage correctly.</p></blockquote><p></p>
[QUOTE="wfooshee, post: 1139633, member: 6354"] You guys are talking about two different sides of the brake light circuit here. The brown wire from the brake light fuse is 12V switched by the key. Bike on, brown wire is ALWAYS hot. That's where to connect the AVCC's red wire. The wire that goes to the brake lights themselves is the one that triggers the AVCC disengage, not sure what color it is on the Gen-II, never having installed on a Gen-II. This is the one that apparently never actually quite sees an actual 0 volts and thus calls for some relay to trigger the AVCC's wire. My comment some time back about using another 12V source to power the AVCC (not to detect the brakes) was to point out that should the brake light fuse get blown and you've powered the AVCC from there, it's failsafe. It will not power up. Should you use another 12V source, it's not failsafe. The AVGG will engage, but because there's no power on the brake light circuit, it will never detect the brakes and thus not disengage when the brakes are applied. Burned out filaments in the brake lights will not cause the AVCC to fail. It will engage and disengage correctly. [/QUOTE]
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AVCC install on '07 wiring questions
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