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Author Topic: Charging warning light  (Read 1507 times)
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lukasdeopalenica
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« on: May 05, 2015, 10:25:23 PM »

Recently when I was finishing a short trip the warning light came up. Measuring of the voltage shown 12V. I decided to replace the voltage regulator. Now the voltage is OK, between 13,5-14,4V, but the light is still on. When I increase revvs it dims a bit, however. The voltmeter at the dashboard also shows proper values.
What can be the cause of such situation?
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lbcoupe76
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« Reply #1 on: May 06, 2015, 12:57:39 AM »

Bad earth maybe?
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rossocorsa
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« Reply #2 on: May 06, 2015, 07:59:31 AM »

They are prone to that it could be earthing of the instrument panel at fault but tbh I wouldn't worry too much about it
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lukasdeopalenica
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« Reply #3 on: May 06, 2015, 02:19:05 PM »

Thanks. I will check it thoroughly. What about diodes? What are the symptoms if they are failed?
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Lancia Beta HPE 2000i.e. '82 rosso corsa
SAAB 900i 16V Aero, '93 solid black
Subaru Outback 3.0R
Honda CB125 K6 '76 electric blue
Specialized Epic & Stumpjumper
lukasdeopalenica
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« Reply #4 on: May 19, 2015, 07:16:30 AM »

The alternator brushes needed probably some time to be grinded. After few kilometers the light operates as it is supposed to.
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Lancia Beta HPE 2000i.e. '82 rosso corsa
SAAB 900i 16V Aero, '93 solid black
Subaru Outback 3.0R
Honda CB125 K6 '76 electric blue
Specialized Epic & Stumpjumper
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