making aux fusebox switched - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 5 Old 07-07-2016, 11:34 AM Thread Starter
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making aux fusebox switched

A couple years ago I installed a marine duty fusebox for some aux equipment -- heated clothing, LED driving lights, etc... under the seat of my 08 Vee just to the rear of the battery. I have seven lines running off it -- all low level current. Currently it is powered 24/7 the way I have it directly tied to the battery. I want to make it switched. I'm thinking it to be a simple process of pulling power from the brake light line (which is switched) and running it through a relay and the fusebox power through the relay. I will never ever run all of the items hooked to this aux fusebox at the same time. What sized relay should I be using? Is it the mathematical sum of all that is hooked in, or can it be less?
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post #2 of 5 Old 07-07-2016, 11:42 AM
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A 30A or 40A relay with is typical with 10ga or 12ga wire and a 30A fuse. The wire is large enough to be protected by a 30A fuse and 30A will handle more than any additional load you can safely add to the bike. Use the orange/green wire on the brake light switch for a switched power source.


Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
See https://www.stromtrooper.com/general-...nicknames.html

Please vote in the poll on what Strom(s) you have at https://www.stromtrooper.com/informat...-you-have.html
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post #3 of 5 Old 07-07-2016, 01:08 PM Thread Starter
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Thanks GreyWolf. The schematic you showed is the way I was planning. I appreciate having you and this forum as a sounding board for ideas (when I have an idea worth bringing out in public )
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post #4 of 5 Old 07-07-2016, 02:58 PM
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I'm probably stating the obvious: the switched relay has a 30-50A fuse, but each accessory needs a fuse specific to it's wire load. I bought the fuse box and relay on eBay for under $15 and they have performed perfectly.
Along the steering post are two large bolts that serve as grounds for my spot beams. I used a marine waterproof switch in the fairing for the spot lights. It can all be installed on one rainy weekend afternoon.
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post #5 of 5 Old 07-08-2016, 01:16 AM
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Because of corrosion problems with the stroms it is best practice to run the earth back to the battery not to the frame.
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