Question about 2007 Pontiac G5 Gt Coupe

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2007 Pontiac G5 will not start

So i was trying to jump my buddies car. Had it hooked up to the positive and grounded out where the manual said (don't like not having both terminal things there) and it didn't work. Went to drive away and noticed that i couldn't switch it from heat to defrost and none of the center consol was functional. I turned the car off hoping that the problem would just reset itself now the car will not turn back on.

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  • felixladeras Jan 28, 2013

    i have pontiac G5 i was just parking last nigth then when i start up that morning it wont start what is the possible cause



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This is why it's not a good idea to use jumper cables on a newer car or truck. Those power packs are the preferred way of jump starting a car nowadays. You probably blew out the body control module and power train module in yours with the voltage drop from the dead battery. You'll need to contact your insurance company and a competent mechanic to get this car running again. In the meantime, check the fuses under the hood to make sure none of these are blown. You might get lucky there, but this is serious. The electrical system is expensive to work on in a modern car because of the electronics.

Posted on Dec 28, 2008


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Hi, I have a 2008 Pontiac G5 and I accidentally kept the lights on all day. Since I only have a positive (red) connection, I ground the negative connection to metal as well as the other car negative...

sounds like you are on the right track. Hook the jumper cables up to the dead car first. The red cable should go to the jumper terminal as you mentioned and a good place to hook up the black cable is the bolts on the strut tower.

then with the other car running hook up the red lead to the cars positive battery cable and then the negative to a good ground. Let the two cars sit for about 5 to ten minutes to give the dead battery a chance to charge.

Once the dead car is started let it idle with the lights turned off for at least 45 minute to an hour or drive it for the same amount of time with the light on (I assume you will be driving in the dark) or if its day time drive it for 30 to 40 minutes with the lights off. This should be enough time for the alternator to charge the dead battery.

I’m happy to assist further over the phone at

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