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2004 Pontiac Grand Prix GT2 Not Starting
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mikemcd5355
Novice
Oct 11, 2016, 11:41 AM
Post #1 of 10
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2004 Pontiac Grand Prix GT2 Not Starting
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Hello, I have been having some issues with my Pontiac Grand Prix. It is the 2004 Pontiac Grand Prix GT2 with the 3.8L V6. Out of nowhere my car began having startup issues, where there was loud, quick clicking which sounds like a dead battery. After getting a jump, the car eventually started. I noticed when I was driving that my radio was physically getting hot, and the surrounding area was warm. I ran the car a bit to allow the alternator to charge the battery, and then the next day - the same issue. I used my Black & Decker battery charger to see if the alternator was faulty once I got it to start, and the alternator comes back as fine. I tested the battery, and it said it was charged and not faulty. So I was very confused, and started to believe that the issue was the starter, as after a few times of attempting to start the car, the car would start, but then the clicking happened again and the moment I hooked up the battery charger the car would start normally. I then began thinking it was a short. I connected a test light to the terminal, and the test light began flashing, showing there was a short. I then went to my interior fuse box, and when I pulled fuse 25A (Radio), the test light then went solid, but dimmed. When I put the fuse back in, it started blinking again. What would be my next step to fixing this issue, I could really use assistance.
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 11, 2016, 12:10 PM
Post #2 of 10
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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You should have the battery tested with a load tester and/or conductance tester first. Also make sure the battery connections are clean and tight. If there is corrosion on the battery terminals or the battery is leaking, that has to be rectified before you go any further.
If you checking for a parastic draw with a test lamp, that test is now obsolete since computer modules came around. You need to test parastic draw with an amp meter or amp clamp. Some module will not go to sleep until they time out, so you have to keep that in mind.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Oct 11, 2016, 12:13 PM)
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mikemcd5355
Novice
Oct 11, 2016, 8:45 PM
Post #3 of 10
(1917 views)
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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The battery has been tested and it still comes up as not defective. Today, I went through my fuse box and found a few blown fuses which I have now replaced, the car is now starting much better than ever. I am not sure if this is the fix for the issue or not, I suppose I will check in the morning to see if a short has drained the battery.
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 12, 2016, 4:43 AM
Post #4 of 10
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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Do you know which fuses were blown?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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mikemcd5355
Novice
Oct 12, 2016, 8:57 AM
Post #5 of 10
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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The battery is drained once again, after it was purposely fully charged, so I am now pretty sure it is a short somewhere. The fuses that were blown were the Radio/Amp fuse, the Sunroof fuse, and the interior lights. How would I go about finding the short, as this is all very new to me.
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 12, 2016, 9:41 AM
Post #6 of 10
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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Hopefully this helps:
https://www.youtube.com/watch?v=KF1gijj03_0
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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mikemcd5355
Novice
Oct 12, 2016, 11:58 AM
Post #7 of 10
(1896 views)
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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I am charging the battery now and I will be following the videos instructions once it finishes, I will keep you updated. Thank you for all your help thusfar.
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mikemcd5355
Novice
Oct 12, 2016, 1:00 PM
Post #8 of 10
(1891 views)
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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After charging the battery for a short period of time it says it was fully charged, though when I went to start it after running a few tests (using the multimeter as he explained), the car still wouldn't start without a jump of some sort. Would this point again to a faulty battery? I charged it fully yesterday and it was good for two cranks, didn't try and cranks after that. Any other thoughts?
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Hammer Time
Ultimate Carjunky
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Oct 12, 2016, 2:12 PM
Post #9 of 10
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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Just because a battery is charged does not mean the battery is any good. You need a conductance test to determine the available CCA the battery is capable of at this time.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 12, 2016, 3:36 PM
Post #10 of 10
(1884 views)
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Re: 2004 Pontiac Grand Prix GT2 Not Starting
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Yes, the battery has to test good and the battery connections have to be clean and tight before you can even think about doing any parasitic draw testing. GM has a lot of issues with their battery side post connections corroding the cable out or the bolts stripping.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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