Help battery over charge

kenchan · 12-24-2013, 04:36 PM

do you mean 14.8-15v while the car is on? that's normal. give credit to your alternator.

pokeyl · 12-24-2013, 05:40 PM

Over 15.2 at ilde. both came on at the same time

SouthArk370Z · 12-24-2013, 05:50 PM

Check system voltage with a multimeter. The dash gauge may be out of calibration.

Edit: You can also check system voltage with an OBD scanner.

kenchan · 12-24-2013, 07:25 PM

Quote:

Originally Posted by pokeyl

Over 15.2 at ilde. both came on at the same time

hummm... that is high.

DEpointfive0 · 12-24-2013, 06:17 PM

Quote:

Originally Posted by kenchan

do you mean 14.8-15v while the car is on? that's normal. give credit to your alternator.

That's still high. I think 14.8 is the cap. Otherwise the alternator has issues

pokeyl · 12-24-2013, 06:29 PM

Quote:

Originally Posted by DEpointfive0

That's still high. I think 14.8 is the cap. Otherwise the alternator has issues

With a meter it is 15.0-15.1

As for the brake lite the fluid is not below the add line but not to the full line.

DEpointfive0 · 12-24-2013, 06:35 PM

Quote:

Originally Posted by pokeyl

With a meter it is 15.0-15.1

As for the brake lite the fluid is not below the add line but not to the full line.

Put it to the full line to make sure. That system is touchy.

And it seems like your alternator is on OD

SouthArk370Z · 12-24-2013, 06:53 PM

According to the FSM (page CHG-27 in the 2009 edition), 14.1-14.7V is normal. Sounds like your regulator needs to be adjusted. Check your battery - overcharging can cause the electrolyte level to drop - and add distilled water as needed.

pokeyl · 12-24-2013, 07:44 PM

Quote:

Originally Posted by SouthArk370Z

According to the FSM (page CHG-27 in the 2009 edition), 14.1-14.7V is normal. Sounds like your regulator needs to be adjusted. Check your battery - overcharging can cause the electrolyte level to drop - and add distilled water as needed.

can you ajust the regulator?

SouthArk370Z · 12-25-2013, 05:14 AM

Quote:

Originally Posted by pokeyl

can you ajust the regulator?

The footnote in the FSM says "*: Adjustment range of power generation voltage variable control is 11.4 - 15.6 V." I don't know that it can be adjusted but it sure sounds like it can.

pokeyl · 12-24-2013, 07:43 PM

Quote:

Originally Posted by DEpointfive0

Put it to the full line to make sure. That system is touchy.

And it seems like your alternator is on OD

no change with fluid added

12-24-2013, 05:40 PM	#2 (permalink)
pokeyl Track Member Join Date: Nov 2010 Location: DFS Posts: 906 Drives: ??? Rep Power: 56	Over 15.2 at ilde. both came on at the same time __________________ It's not my fault I'm old, I was born a very long time ago! Last edited by pokeyl; 12-24-2013 at 05:51 PM.

12-24-2013, 05:50 PM	#3 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324199	Check system voltage with a multimeter. The dash gauge may be out of calibration. Edit: You can also check system voltage with an OBD scanner. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma Last edited by SouthArk370Z; 12-24-2013 at 05:53 PM.

12-24-2013, 06:53 PM	#8 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324199	According to the FSM (page CHG-27 in the 2009 edition), 14.1-14.7V is normal. Sounds like your regulator needs to be adjusted. Check your battery - overcharging can cause the electrolyte level to drop - and add distilled water as needed. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

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12-24-2013, 04:36 PM	#1 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141522	do you mean 14.8-15v while the car is on? that's normal. give credit to your alternator.