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| battery/generatoor warning light http://forums.tipec.net/viewtopic.php?f=24&t=24346 |
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| Author: | peterpan59 [ Tue Mar 31, 2020 11:17 am ] |
| Post subject: | battery/generatoor warning light |
Hi all, newbie member here (peter) with a little problem I hope someone can help with. My 2004 997 runs fab but the red warning message keeps coming on only after about 15 minutes driving - "battery/generator fault". So, have had both the battery (less than a year old) and alternator checked. Battery is 100% fine, alternator is at 13.9 I'm told should be 14.4? When parked up for a few days still starts with no problem and other than an annoying beep and the warning light coming on it drives great. Seems to make no difference if I turn fan/lights/radio off - thought worth a try... Only comes on after I've been driving for a while - 10-15 mins, so maybe only when engine up to normal temperature. Does anyone have any ideas what may be causing this? Most obliged in advance - I look forward to meeting up with you when the madness has receded. |
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| Author: | tr7v8 [ Tue Mar 31, 2020 2:04 pm ] |
| Post subject: | Re: battery/generatoor warning light |
I know you've had it checked but smells of an alternator issue to me. Possibly a regulator with a heat issue. It will still charge OK but may put the light on. Alternatively, it could be wiring issue on the loom. But they normally don't do temperature faults. |
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| Author: | Waylander [ Tue Mar 31, 2020 4:47 pm ] |
| Post subject: | Re: battery/generatoor warning light |
regulator or rectifier in the alternator |
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| Author: | peterpan59 [ Tue Mar 31, 2020 5:45 pm ] |
| Post subject: | Re: battery/generatoor warning light |
Thanks for the replies gents. Sounds logical - especially as the battery is still charging and it doesn't appear until warmed up. Most obliged. Pete |
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