Megane 2 low battery warning
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- Posts: 3
- Joined: Tue Oct 16, 2018 10:11 am
- Currently Drives:: Renault Megane 2 1.5dCi 63kw
Megane 2 low battery warning
Hello. I just finished an engine swap on a renault megane 2. All went ok, few problems but figured them out, and then after 30min of driving the low battery message appeared. I stoped the car and indeed the battery was dead. Put a new one and only had 12.5v with engine running. I removed the exciter wire and it went to 14.5v. I have been driving the car for a week with the wire disconnected, all is ok except the low battery message which appears after 10 15 20 min. I measured the pin on the alternator and it has 14.5v. Also the exciter wire and it wobbles around the 9v value. Does anyone have any idea what I should try? I assume the alternator is ok. Thank you
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- Posts: 3
- Joined: Tue Oct 16, 2018 10:11 am
- Currently Drives:: Renault Megane 2 1.5dCi 63kw
Re: Megane 2 low battery warning
Anyone? Maybe someone can measure the exciter wire that connects to the alternator? So if it has 14v I can start looking at the UCF. I think that's how it is called. The fuse box next to the battery.
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