Question about 2004 Pontiac Montana

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Engine Start Then Batt/AIrbag Light On 14.6 Volts At Battery?

2004 Pont Montana

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Batt/air bag light? 2 problems. air bag light check and clean wiring under passenger seat. Then drivers seat. Battery light I have no idea unless battery volts to low.

Posted on Feb 13, 2009

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When driving the dash light dims when the brake is applied


check your alternator is giving out about 14 volts if no .check the brushes held on with two bolt behind your alternator as may be worn .or change the alternator.

Dec 07, 2013 | 2004 Honda Accord

1 Answer

Battery light stays on


Batteries are difficult to test properly. They must be tested under load to determine the internal resistance... once the internal resistance is too high then you must replace the battery. Using a multimeter test the voltage. Write it down. Then turn on the headlights maybe even the radio and the blower, wipers etc (leaving the engine off) then take a voltage reading again. A charged battery should be near 14 volts readings below 12 volts shows a bad battery.

Oct 18, 2013 | Cars & Trucks

1 Answer

Lights flicker and batt has been going dead


alternator fault check with a meter but would say the bushes inside have worn out. cheaper to replace the hole unit. put meter on battery with out engine running nothing on. should be a round 12.05 volts. then test again with engine running no lights should be around 13-14 volts fairly steady if it is jumping all over the place then it is defo the altinator. .

Oct 15, 2013 | 1999 Pontiac Montana

2 Answers

Hello, MY 2005 Nisan frontier will not start. About 3 days ago, the battery light would stay on after the engine started...had the battery checked and it was fine...then serviced it yesterday but it still...


Battery might seem fine on a routine check, but the crancking amp power is not there anymore, seems that your alternator is not charging it anymore, have the alternator checked and replaced if needed, the battery might need replacing too.

Aug 23, 2011 | 2005 Nissan Frontier

1 Answer

Batt light came on flickering after a month rest I changed 3 year old batt. now light steady on is there a fuse for charging syst if not what could be the problem thank you


I would be willing to bet you have a bad alternator. This is the most common problem for the light coming on. Check to see what the voltage is at the battery and then at the B+ terminal at the back of the alternator. You should have around 14 volts in both places. If you have 14 volts at the alternator and not at the battery then you have a bad wire or fusible link in the wire. If it is closer to 12 volts in both places, then you most likely have a bad alternator.
Hope this helps. Good luck!

Apr 13, 2011 | 1998 Ford Escort

1 Answer

When the car is left overnight the battery is flat the next day. Also the dash boad lights are on indicating a problem with the brakes and the airbag.


START THE CAR, CHECK VOLTAGE AT BATTERY WHILE RUNNING AT HIGH IDLE. VOLTAGE SHOULD BE SOMEWHERE BETWEEN 13.80 TO 14.80 OVER 14 IS BETTER. IF THAT IS OK THERE MAY BE A BATTERY DRAIN. TO CHECK FOR A DRAIN, TURN OFF ALL SWITCHES, CLOSE ALL DOORS , INCLUDING GLOVE COMP. DISCONNECT NEG. BATT. CABLE, PUT 12 VOLT CIRCUIT TESTER ONE END ON NEG. BATT TERM. THE OTHER END ON THE NEG CABLE. IF THE LIGHT COMES ON THERE IS A DRAIN. NO LIGHT - NO DRAIN. IF NO DRAIN HAVE THE BATTERY TESTED AT A CERTIFIED ELECTRICAL SHOP

Jan 02, 2011 | Peugeot Liberte Cars & Trucks

1 Answer

The battery light is on, check charging system communication is displayed. Have changed battery with no change.


it may be the alternator thats not charging or its a over charge. at battery with engine off should read at least 12.8 to 13 volts, when engine is running, at battery voltage should be at least 14 to 14.2. if running and not producing about 14 volts. the alternator is bad, or the belt is slipping. check alternator voltage. have a good day !!

Dec 03, 2010 | 2004 Ford Expedition

2 Answers

Charging system light came on but batt has 12.9 volts after running for about 40 mins with indicator on


With the vehicle running the battery voltage should be at 14 volts, if you take it by advance auto they can hook it up to a tester without removing it from the car and they dont charge for this service. I hope this helps you.

May 24, 2010 | 2005 Ford Taurus

1 Answer

My battery went flat the other week! now the airbag light wont go out!! annoying!!! please help!!


suspect the air bag light came on due to it sensing a low battery voltage which woud cause the air bag to not deploy. Check to see if your battery is carging first. It should read 12 volts with engine off. it should read 14 -15 volts with engine running.
Next check for a dead cell in battery. Need to have any auto store test it for free.
If all good, check for battery drain from something still on after key is off.

Mar 11, 2009 | 1993 BMW 3 Series

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