Electrical problem - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 11 (permalink) Old 06-23-2019, 09:29 AM Thread Starter
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Electrical problem

Hi ...I am installing a boss mc420b system on an 03 v star 650...trying to put a 3prong rocker switch on and fuses keep blowing.
Can anyone layout for dummies the step by step?
Thanks
Brett
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post #2 of 11 (permalink) Old 06-23-2019, 10:04 AM
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Wiring should be 12v positive (battery), negative, and output to accessory. One wire will go to a know 12 volt source (battery) , one to ground (negative battery post or bike frame, third to accessory. If blowing fuse possible have positive and negative backwards. Or accessory is pulling more amps than fuse or switch can support. Not sure exactly what info you are looking for. Hope that helps.




2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
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post #3 of 11 (permalink) Old 06-23-2019, 10:26 AM
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somethings wrong with that diagram.if you connect 2 to 4 you will short out.i think a three pin rocker would have a high and low setting plus off
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post #4 of 11 (permalink) Old 06-23-2019, 10:36 AM
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2 and 4 are not connected, it's looped over meaning not connected.


2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
Loose nut "me" behind the bars
2006 Harley Electra Glide Ultra Classic

https://sites.google.com/site/vstar1100kb/home
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post #5 of 11 (permalink) Old 06-23-2019, 11:16 AM
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oh it acts like a bare it grounds the appliance
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post #6 of 11 (permalink) Old 06-23-2019, 01:41 PM
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I was confused at first too

its an illuminated switch, it has an LED inside it that goes on when the switch is turned on, so it needs both a power and ground connection

on some illuminated switches the power "Pole" and "throw" contact terminals are in a separate row from the internal light power and ground terminals (because some can be used to switch 120VAC for example, and have an internal 12V LED for the light).
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post #7 of 11 (permalink) Old 06-23-2019, 01:53 PM
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Wasn't trying to be confusing. Just wanted to illustrate the positive, negative and accessory poles on a 3 terminal 12 volt switch. But I do even confuse myself at times. 😀

2001 Vstar 1100 Classic (sold), Cobra Slash Cut full exhaust, Dropped 1 inch with lowering links, ORK, 4.5 inch handlebar risers, Ultimate passenger seat, Passenger pegs moved forward 4 inches, Handlebar clock, KN air filter, Viking saddlebags, Additional rear lighting
Loose nut "me" behind the bars
2006 Harley Electra Glide Ultra Classic

https://sites.google.com/site/vstar1100kb/home
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post #8 of 11 (permalink) Old 06-23-2019, 02:38 PM
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Ya, seems people where thinking of the on-off-on switchs, but those the switch has no effect on a fuse blowing at all, unless you connected ground to it.
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post #9 of 11 (permalink) Old 06-23-2019, 03:55 PM
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my bad i don't know electronics, i've done some residential wiring i would run the light in series and saved a wire.
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post #10 of 11 (permalink) Old 06-27-2019, 08:55 PM
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I have a Boss amp and speakers on my 650 Classic all I did was wire it to my ignition and put a relay in line to get rid of speaker pop when turning on the switch , works great.
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