Question about 2004 Pontiac Grand Am GT

1 Answer

Car doesn't start up immediately

Right now as it stands. Nothing gets power from the battery like the signal isn't being putout. It reads 12.4v off 14 something on but the problem is. I need to use my key to get in the car, when I attempt to start(not only are no lights turning on when i open the door) the fuel injector turns on, that sound i can hear. That's it. The radio turns on, dash lights, but interior lights stay off and my headlights turn on if i turn them on. Pretty much in order for me to start my car, i press the button for my interior light to turn on. I wait like 10-15 mins sometimes and once that light eventually turns on, the engine will start. I have no clue. These pontiacs have so many problems and it's a new battery too. I'm not sure if it can be the starter but that doesn't explain why my interior lights don't come on, and when they finally turn on i can start the car. also if i try to start without waiting for the lights to come on and leave it like that. The security light comes on along with the check engine light. Which promptly goes away after turning to the off position

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  • Jared
    Jared Dec 08, 2014

    Randy is the correct answer, I looked at my bcm today to find that the pink blueand grey harness plugs that go into it were all corroded except the grey, really badly. I'm going to need to buy a new bcm box for my car and have it programmed. That's been the source of every issue I've had with the car since I got it. I did attempt to clean off the contacts and corrosion with the CRC Electrons cleaner. Nothing had changed though(I didn't get the chance to look at the motherboard b/c it was over my lunch break.) Now however, I have to always manually disconnect my negative battery terminal b/c when I shut the car off, it doesn't shut off and the ABS light, oil, and No Trac Light come on now. Going to have to make it through to friday and have a new one installed and reprogrammed. Even if this isn't the entire problem. It needs to be done. Thanks Randy

  • Jared
    Jared Dec 13, 2014

    Everything works great. Bought the new bcp with the same p/n on sale for the holidays, saved over 200 for the sale. Hooked it up. Tried to start the car, security came on as expected. Reset security light and now it starts up perfectly and the key FOB works no sweat. Wrapped it in plastic wrap like Randy suggested then reassembled the underside of my dash

  • Jared
    Jared Dec 13, 2014




1 Answer

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Well here's a start. Find the BCM(body control module). Most of what you talked about is related to this. It is a 5 inch by 5 inch black square box, under the dash on the passenger side. There are three plugs going to it, check them closely for corrosion, also check the BCM where they plug to. Clean them best you can. What ever it takes. (reason to follow) If they are corroded fairly bad (Lots of green coloring), then you will need to take the cover off the BCM to get to the PC board. It will have corrosion also. On the board use a soft brass brush to clean any green discoloration off of it. Be very nice to the board, as you can also clean off parts that you don't want off. Doesn't sound like your to that point yet. The reason for the corrosion is they put the BCM under the blower. It creates moisture and condensation and drips on the BCM. The BCM is not weather packed, so the water seeps right into the connections And the BCM. Everyone one I fix, I wrap plastic around it to keep the water from getting to it. Then put it back in place.

Posted on Dec 03, 2014

Testimonial: "Thanks! The one person before said it was my bcm when my security was on last time. That's a bad design for the bcm if it gets the condensation dripped on it, but this all makes perfect sense. I'm going to order a contact file(not just for this but they are useful and can't fin them in stores) and work on it this weekend most indefinitely. Thanks for the information Randy, I'll let you know how it works out."


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Posted on Jan 02, 2017

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SOURCE: 2002 pontiac grand Am

Replce the Starter Relay in the Fuse Box under the Hood.

Posted on Jan 22, 2009

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SOURCE: 2001 Grand Am GT interior

a la mejor tiene malos los fusibles o se descompuso la computadora
lo mas probable es que se haya descompuesto la computadora del auto

Posted on Sep 02, 2008

  • 1 Answer

SOURCE: 2001 pontiac sunfire wont start

I have had the exact same problem. There is an ignition lock that probably went off. There is a fuse box under the hood. The fuse that says ignition on it pull it out and put it back in. This should reset the ignition lock. Its a safety feature because the car thinks that someone was trying to tamper with it.

Posted on Dec 12, 2008

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SOURCE: 2004 pontiac grand am will not start.

ignition switch or worn key or the body control module is going out.

Posted on Apr 05, 2009

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SOURCE: My 1999 Pontiac Bonneville will not start. When

The security system has been activated call the dealer to getthe deatils on how to reset it, normally you pull the security fuse for 30 seconds to restet it. if that does not work call the dealer and they can help you.

Posted on Nov 01, 2009

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