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Electrics & Lighting All discussions related to bike electric, lights, bulbs, fuses and wiring.

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  # 1  
Old 06-09-12, 04:51
alpine100 alpine100 is offline
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Is this a Regulator fault?

Hi all my mate has a XT660R, he was riding it when he lost the dash lights & power, after checking the fuses he called the RAC, the very nice man found another 30amp fuse blown & replaced it, bike started up & RAC man left, my mate then started off on his way home to get 200yrds up the road only for the fuse to blow again, im thinking Regulator but would value any ideas? Thanx Dave
  # 2  
Old 06-09-12, 06:37
spen spen is offline
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best to stick ameter across the battery while running to check the voltage should be around 14 /14.2 volts .could be a bad earth blowing the fuse .poor connection any where .Was he working at the bike prior to this he may have loosened a connector. Check the voltage across the battery when running the engine first that will tell you right away .check the earth from the battery
  # 3  
Old 06-09-12, 06:59
alpine100 alpine100 is offline
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Quote:
Originally Posted by spen View Post
best to stick ameter across the battery while running to check the voltage should be around 14 /14.2 volts .could be a bad earth blowing the fuse .poor connection any where .Was he working at the bike prior to this he may have loosened a connector. Check the voltage across the battery when running the engine first that will tell you right away .check the earth from the battery
Cheers spen, we both @work till Sun so i wont get a chance to get the tester on it till Mon, i was thinking Regulator but ive read thru the threads & no one has had a fuse blow on them aswell, thanx for quick reply
  # 4  
Old 06-09-12, 11:13
Pleiades Pleiades is offline
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If the fuse is blowing, and a 30A one at that, it's more than likely a short to earth somewhere in the loom. Often the cause can be part of the loom, most likely under the tank, rubbing through on the frame. Get the tank off and do a thorough visual check of all the wiring over the whole bike, particularly where it runs close to the frame.
  # 5  
Old 06-09-12, 14:27
stoic bloke stoic bloke is offline
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Hi, Pleiades is quite correct you have a dead short on that circuit, you need as stated, examine the loom for damage

i don't get the rac person, after finding a burnt out large fuse, not delving a bit deeper or at least recovering the bike to somewhere a repair could be carried out! as a 30amp fuse blowing points to a serious fault

hi Spen please don't use an ammeter (amp tester) across the battery terminals, a voltmeter is perferable!
  # 6  
Old 06-09-12, 14:41
Mort Mort is offline
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Hi ive herd of some thing similar. The wiring loom rubbing through under the fuel tank blowing fuses for the fuel pump etc.
  # 7  
Old 06-09-12, 15:12
spen spen is offline
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Quote:
Originally Posted by stoic bloke View Post
Hi, Pleiades is quite correct you have a dead short on that circuit, you need as stated, examine the loom for damage

i don't get the rac person, after finding a burnt out large fuse, not delving a bit deeper or at least recovering the bike to somewhere a repair could be carried out! as a 30amp fuse blowing points to a serious fault

hi Spen please don't use an ammeter (amp tester) across the battery terminals, a voltmeter is perferable!
left out a space should have said A METER not ameter
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