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Zambuk Profile
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Date Registered: 06-2015
TOTAL POSTS: 5
Reply | QUOTE
Battery Charge Light


I have a 2002 T30 Xtrail and recently the battery charge light has started staying on until the engine temperature has reached its normal, when it goes out.

The light goes out as normal when restarting a warm engine.

The battery is fully charged, the battery terminals are clean and tight and the car starts and runs normally.

Is there some kind of temperature device in the alternator that could be affecting the charging?

Battery terminal voltage is 13.8 volts, and rises to 14.5 volts when the alternator starts charging,

Thanks for any suggestions

Cheers

Zambuk

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Zambuk
Earlwood NSW
2002 XTRAIL ST (T30)
Member No. X-4279
7/Jun/2020, 9:16 am Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5761
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Re: Battery Charge Light


So while the engine is cold and the charge light is on, is the battery voltage 13.8 or 14.5 ?

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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7/Jun/2020, 11:26 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 06-2015
TOTAL POSTS: 5
Reply | QUOTE
Re: Battery Charge Light


Hi Kev

13.8 volts via a digital voltmeter. I will try again later today with an analog voltmeter an see what difference there is.

Cheers

---
Zambuk
Earlwood NSW
2002 XTRAIL ST (T30)
Member No. X-4279
8/Jun/2020, 8:21 am Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5761
Reply | QUOTE
Re: Battery Charge Light


Measure at the alternator to get a better understanding if the alternator is charging.

It sounds like either your alternator drive belt is slipping until the engine reaches temp or there is a bad connection in the wiring from the alternator which comes good when things warm up under the bonnet. Might also be a bad diode plate in the alternator with a faulty solder joint which comes good with some heat.

My suggestion is to get an auto electrician to check out the alternator and wiring for breaks.

---
Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
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8/Jun/2020, 10:01 am Link to this post Send Email PM   Send Private Message Blog
 
Zambuk Profile
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Date Registered: 06-2015
TOTAL POSTS: 5
Reply | QUOTE
Re: Battery Charge Light


Hi Kev
Thanks for your reply. I will get the alternator and drive belt checked out.
I was contemplating cleaning both the output terminal connections of the alternator, as well as the field plug.

It is the original alternator and the problem only started recently when the cold weather started.

There is an auto electrician at the top of my street, and he mentioned that an alternator would cost around $450, if he could source one, or I could try a motor wreckers.

He had never heard of this problem before.

Cheers
Zambuk


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Zambuk
Earlwood NSW
2002 XTRAIL ST (T30)
Member No. X-4279
3/Jul/2020, 7:07 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5761
Reply | QUOTE
Re: Battery Charge Light


Southern Cross Auto Repairs in mascot do alternator repairs and they are close to you.
Maybe take it in and have a chat to them to see if it is repairable before having an autoelectrician just replace it with a new one which would be more expensive.

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
My CarPC Worklog
3/Jul/2020, 7:42 pm Link to this post Send Email PM   Send Private Message Blog
 


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