I have a 2003 Grand-Am. It will not start, no horn, no lights, no nothing. I have ohmed out the switch all is good. Battery is good. All fuses check good. where do I look from here. Just replaced the alternator, but I dont even have a interior light or horn???? Help!!! THX
When you go to crank the car over you need to have 12.5v, if it drops below 9.5 you'llneed a battery
I would make sure you hooked the big hot wire to the altinator correct.If that is ok I would check the connection to the baterry is right.
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Thanks for your replys. But It isn't a starting problem. I dont even have a horn. That should work without a key. Battery is brand new. The volts never go down when I go to crank. I dont get a dome light when I open the door. Its like I have either no volts or a bad ground, but I have checked both.....????
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