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Old 05-26-2011, 07:06 PM   #1
bribri
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Question Suzuki S50 Electrical Problem Help!

I have a 05' S-50 it runs fine but then it will just shut down. No electrical power at all. No light, horn, flashers anything. If I wait a few minutes Light will come on and I can start and go. Took it to dealer and they couldn't find anything. Checked for lose wire but did not find any. It acts as if it has a short to ground or something.
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Old 05-26-2011, 07:27 PM   #2
Easy Rider 2
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Quote:
Originally Posted by bribri View Post
Took it to dealer and they couldn't find anything. Checked for lose wire but did not find any. It acts as if it has a short to ground or something.
Pretty incompetent dealer.
It is an intermittant OPEN. A short would smoke or blow fuses.

That model is known for the battery post clamps......on the ends of the main battery cables.......working their way loose. Not REALLY loose, mind you or things would go dead and stay that way......just kind of loose.

Get a couple of star washers the right size, take the bolts out and put the washers on. Tighten real good and you will (likely) never have the problem again. It wouldn't hurt to clean the posts and the inside of the clamps as they may have corroded some from being loose.
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Old 05-27-2011, 06:20 AM   #3
Morbo the Destroyer
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"No electrical power at all. No light, horn, flashers anything. If I wait a few minutes Light will come on and I can start and go"

The bike's main circuit breaker is tripping. After a few minutes it resets and you get power again. Then, whatever dead short you have starts heating up the circuit breaker again until it trips. And around you go again.

First, the circuit breaker can't take an infinite number of cycles (pun intended). The metal that breaks the switch wears through and then you have to replace it. So stop cycling it (that's 2!), or you'll increase your repair bill.

Second, you need to find the short that's tripping the breaker (you had that part right). It could be anything from worn insulation on the starter motor power lead to cut insulation on the headlight wires. Take all the covers off and start looking, you may get lucky and find it. If you don't, find a competent mechanic who knows how to use a multimeter and pay him to find it.
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Old 08-16-2011, 12:57 PM   #4
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If you haven't already figured out the issue, I'd check the ground wire. I had the same issue with mine last week. I'd go to start it, one second I had power, the next there was none. Also, when riding, it would sometimes chug and then it would lose power completely. What was happening was the screw attaching the ground wire was working it's way loose. One new screw was all it took.
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