Question about 2004 Pontiac Montana

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I have a 2004 Pontiac Montana that I just replaced no the the alternator and battery in last week and now the battery light comes on and stays on what could be the problem

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  • Pontiac Master
  • 1,122 Answers

First, could be defect alt, bad connection at battery conns. or you probably have an electrical short if all else cks out good. Did u ck the load test the bad,ck the charging system & ck for shorts before u did the work?

Posted on Dec 11, 2016

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SOURCE: battery warning light comes on

hi i had the problem in the past and it was a loose conection with the wires,

Posted on Apr 04, 2009

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SOURCE: battery light on dash stays on 2000 Pontiac montana

yes

Posted on Apr 05, 2009

pippall
  • 1486 Answers

SOURCE: Air bag Light Stuck On 98 Pontiac Montana

Under the front seats you have wires going to your seat belt anchors.These wires are atached to a sensor witch activate the air bags if the anchors have force pull on them.The wires have plugs under the seat.Disconnect the plugs and spray with electical cleaner and replace.Make sure the ignition is switched off befor you attemt doing.90%of the time this will work.good luck.

Posted on Jul 18, 2009

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Molson02536
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SOURCE: Replace alternator on 2000 Pontiac Montana

The alternator does come out from the top. You need to loosen the two motor mount on top of the radiator support and rock the engine forward and secure it. Then removed the windshield wiper module cover, and you should have access to get it out.
I recommend for safety reasons, if you are not a experienced mechanic that you take the van somewhere for that service. When it comes to rocking engines and securing them, you are better off having a professional doing it for you.
Thank you for using fixya and be safe.

Posted on Jul 20, 2010

jim4984
  • 797 Answers

SOURCE: Replaced alternator in 1998 ford expedition

Did you get the wires all back in place? What voltage do you have at the output of the alternator? Measure the voltage with the engine running and not running.

Posted on Jul 20, 2011

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1 Answer

Have to boost then it won't stay running


just had the same problem and i ended up having to change the altenator, for 2 or 3 weeks i would have to bang on the altenator with a hammer while it was running because my battery light would keep coming on. but after a few taps with a hammer you could actually here it start working again. i did that one to many times and broke the housing on the altenator and eventually had to replace it.

Nov 29, 2012 | 2004 Pontiac Montana

1 Answer

2004 Pontiac Montana -brand new battery, new alternator(not rebuilt). have to jump start and runs for a while then dies some times wont take charge. battery will die not running in a day. very intermi


First, you can't and shouldn't test an alternator by disconnecting the battery cable while the engine is running. You run the risk of cooking the alternator and the computer. Thats how we used to test generators back in the last century.
Is the check engine light on when the engine is running ? Is the battery charge warning light on ?
There should be a fuseable link between the alternator and the battery that could keep the alternator from charging the battery.
The ignition module would have no effect on the charging system.

Aug 07, 2012 | 2004 Pontiac Montana

3 Answers

How to reset the computer on a 2002 pontiac montana


Which computer are you wanting to reset? There are at least 5 on your vehicle. The next question is WHY do you want to reset it? Are you trying to clear fault codes or are you wanting to clear adaptive learning stategies? or BOTH? Are you having a problem with warning lights coming on? If so, have the problems been corrected that CAUSED the lights to come on?

Anyway, a scan tool is required to reset ANY of the computers on your vehicle.

Aug 09, 2011 | 2002 Pontiac Montana

1 Answer

04 Pontian Montana DVD, dead battery


sound like a fault in dvd player.its running battery down.have dealership check it out.sound like a electrical problem.

Jan 03, 2010 | 2004 Pontiac Montana

1 Answer

Air bag Light Stuck On 98 Pontiac Montana


Under the front seats you have wires going to your seat belt anchors.These wires are atached to a sensor witch activate the air bags if the anchors have force pull on them.The wires have plugs under the seat.Disconnect the plugs and spray with electical cleaner and replace.Make sure the ignition is switched off befor you attemt doing.90%of the time this will work.good luck.

Jul 17, 2009 | 1999 Pontiac Montana

1 Answer

Air bag Light Stuck On 98 Pontiac Montana


need to be reset by a garage sry

Jul 17, 2009 | 1998 Mercury Sable

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