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23-09-20, 10:03 PM | #1 |
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Join Date: Sep 2009
Posts: 30
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electrical issue
Hi, i am having a strange electrical problem. when riding after a few miles my speedo keeps going of for a split second. I also notice at night when it happens the lights also go out at the same time. The tacho doesn't alter and i don't feel that the engine misses. I have tried a replacement battery but it is still doing it.Has anybody else had the same problem. The bike is a 1999 curvy. I had to replace the reg/rec earlier this year but the problem has only started the last 2 months.
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24-09-20, 09:24 AM | #2 |
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Location: JAMOADR(1999 Curvy) 36,000 miles
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Re: electrical issue
First thing I would check is the large Block connector under the tank near the Head-stock. With age all block connectors are prone to corrosion on the spades and sockets. Using a small flat-blade screw driver with some 500 grit wrapped around it I carefully remove all corrosion by scraping and spraying Contact/Switch cleaner on them. When satisfied they are clean metal I blast with some Carb/Brake cleaner(Wilkos Supermarkets good price for a big can) and let evaporate.
I then treat them with ACF50, https://www.ebay.co.uk/itm/ACF-50-AN...MAAOSw4SlV71bz Also check the Wiring loom around the front of the bike for chaffing.
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24-09-20, 11:48 AM | #3 |
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Re: electrical issue
+ give the pins a very slight twist with needle nose pliers so they mate well with the other side of the block.
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25-09-20, 12:47 AM | #4 |
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Join Date: May 2019
Posts: 35
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Re: electrical issue
Check the Speedo sensor.
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25-09-20, 05:14 AM | #5 |
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Join Date: Sep 2009
Posts: 30
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Re: electrical issue
Thanks, I will have to go through the loom this weekend and clean all the connectors one by one. I don't think it's the speedo sensor due to the lights flickering.
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24-03-21, 10:27 PM | #6 |
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Join Date: Sep 2009
Posts: 30
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Re: electrical issue
Finally think I have got this problem sorted.After cleaning all the connectors on the loom and the earth on the engine and checking the loom for any chafing I found that one of the terminals in the block connector from the reg/rec to the battery for the earth was not latched. So when the connector was pushed together the loose terminal was pushed back and was only touching, causing the intermittent fault. After several hundred miles there hasn't been any more problems.
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25-03-21, 09:22 AM | #7 | |
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Location: JAMOADR(1999 Curvy) 36,000 miles
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Re: electrical issue
Quote:
I cover this on my R/R pages, https://cx500.000webhostapp.com/Mosf...sfetUniRR.html
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