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2007 Nbs Wont Start After Battery Went Dead

CRDJEEP

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CRDJEEP Enthusiast

CRDJEEP

Posted
Posted

Please help, I drained my battery down after alittle bit using my truck to charge my computer. Now after i bought a new battery b/c that's what the "GM SERVICE TECH" friend i know said to do. Still wont start and he's stumped. It say's service 4wd and won't turn over. I think it lost it's security settings. I tried to jump it 3 different times before buying a new battery. ANy help would be greatly appreciated. I am camping right now and no where near a dealership. any input would be appreciated. THanks I will check back soon if anyone has an ideas how to reset the security setting without seeing a dealership. I also have an aftermarket radio w/ NO ONSTAR NOW, if that matters. I Can go home today and get my factory radio if that is what making something not right.

rockcrusherrevived Enthusiast

rockcrusherrevived

Posted
Posted
Please help, I drained my battery down after alittle bit using my truck to charge my computer. Now after i bought a new battery b/c that's what the "GM SERVICE TECH" friend i know said to do. Still wont start and he's stumped. It say's service 4wd and won't turn over. I think it lost it's security settings. I tried to jump it 3 different times before buying a new battery. ANy help would be greatly appreciated. I am camping right now and no where near a dealership. any input would be appreciated. THanks I will check back soon if anyone has an ideas how to reset the security setting without seeing a dealership. I also have an aftermarket radio w/ NO ONSTAR NOW, if that matters. I Can go home today and get my factory radio if that is what making something not right.

 

my old Lumina had an ignition fuse don't know about the 07

CRDJEEP Enthusiast

CRDJEEP

Posted
  • Author
Posted
Please help, I drained my battery down after alittle bit using my truck to charge my computer. Now after i bought a new battery b/c that's what the "GM SERVICE TECH" friend i know said to do. Still wont start and he's stumped. It say's service 4wd and won't turn over. I think it lost it's security settings. I tried to jump it 3 different times before buying a new battery. ANy help would be greatly appreciated. I am camping right now and no where near a dealership. any input would be appreciated. THanks I will check back soon if anyone has an ideas how to reset the security setting without seeing a dealership. I also have an aftermarket radio w/ NO ONSTAR NOW, if that matters. I Can go home today and get my factory radio if that is what making something not right.

 

my old Lumina had an ignition fuse don't know about the 07

 

 

it's acting like the security is missing from it...... :lol:

rockcrusherrevived Enthusiast

rockcrusherrevived

Posted
Posted
Please help, I drained my battery down after alittle bit using my truck to charge my computer. Now after i bought a new battery b/c that's what the "GM SERVICE TECH" friend i know said to do. Still wont start and he's stumped. It say's service 4wd and won't turn over. I think it lost it's security settings. I tried to jump it 3 different times before buying a new battery. ANy help would be greatly appreciated. I am camping right now and no where near a dealership. any input would be appreciated. THanks I will check back soon if anyone has an ideas how to reset the security setting without seeing a dealership. I also have an aftermarket radio w/ NO ONSTAR NOW, if that matters. I Can go home today and get my factory radio if that is what making something not right.

 

my old Lumina had an ignition fuse don't know about the 07

 

 

just checked the owners manual for the 08. shows a relay for run/crank

it's acting like the security is missing from it...... :lol:

 

rockcrusherrevived Enthusiast

rockcrusherrevived

Posted
Posted
maybe your alternator? the same thing happened to me before and it was the alternator

 

correct me if i'm wrong isn't the alternator for keeping a charge in the battery?

redvett Senior Enthusiast

redvett

Posted
Posted

Does it crank/turnover? Is the security light on? If it trys to start and security light is on its a security issue and you maybe lucky to disconnect and wait a few minutes and reconnect the neg battery cable to reset.

minibike132 Senior Enthusiast

minibike132

Posted
Posted

Does the PRNDL light up and what gear does it indicate?

 

What kind of radio, is it a nav unit, do you run video through it if is a nav unit?

 

Did you check all the fuses? Make sure and check the #60 fuse labeled strtr and the 175amp mega fuse. The mega fuse can only be checked with volt meter or test light but it is quite common to blow this fuse if the vehicle is improperly jump started. Quite a few will cause a no crank. I don't want to point out the obvious but the battery terminals are tight right?

 

Also post some more info about the vehicle what engine and trans are in it if you know.

 

Now that I'm typing it out I would look at the mega fuse first, my bet is that thing is blown.

CRDJEEP Enthusiast

CRDJEEP

Posted
  • Author
Posted

I will check the fuse. I am going back up there soon with my factory radio. talked to a tech guy and said that might be the problem 50/50. I will check that fuse as well. I will bring my volt meter. Also you asked about the PRN123. it lights up but there is NO line underneath it showing what gear it's in. This is my last attempt or i'll be calling AAA to tow it to the garage where my buddy works at to hook it up to the computer. WIll let you guys know the details later on tonight. I really appreciate your guy's help!!!! :D

jdewolfe Enthusiast

jdewolfe

Posted
Posted

Just for the heck of it, leave the key in the on position for like 10 minutes and then try to crank it. I have a friend that has to do this occasionally with his Grand Am. Kind of a security relearn. Maybe that will help. Good luck!

minibike132 Senior Enthusiast

minibike132

Posted
Posted
I will check the fuse. I am going back up there soon with my factory radio. talked to a tech guy and said that might be the problem 50/50. I will check that fuse as well. I will bring my volt meter. Also you asked about the PRN123. it lights up but there is NO line underneath it showing what gear it's in. This is my last attempt or i'll be calling AAA to tow it to the garage where my buddy works at to hook it up to the computer. WIll let you guys know the details later on tonight. I really appreciate your guy's help!!!! :D

 

No problem, if the truck doesn't know what gear it's in it won't crank. But I think the neutral saftey is going to get power from something that it also fed off the 175 amp mega fuse.

CRDJEEP Enthusiast

CRDJEEP

Posted
  • Author
Posted
Just for the heck of it, leave the key in the on position for like 10 minutes and then try to crank it. I have a friend that has to do this occasionally with his Grand Am. Kind of a security relearn. Maybe that will help. Good luck!

 

 

Hey, that's for the tip, The guy camping beside us called someone and he said try that too. Didn't help though :D

Mazer18 Enthusiast

Mazer18

Posted
Posted
Just for the heck of it, leave the key in the on position for like 10 minutes and then try to crank it. I have a friend that has to do this occasionally with his Grand Am. Kind of a security relearn. Maybe that will help. Good luck!

 

 

Hey, that's for the tip, The guy camping beside us called someone and he said try that too. Didn't help though :D

 

 

Maybe just give it a shot. But when I had to do a security relearn after my tune I had to do that 3 times.

 

BlackBear's instructions were:

1. Turn key to run position. Security light will come on. Leave it like that for 10-12 minutes until the security light goes off.

 

2. Remove key from ignition for 45 seconds.

 

Repeat that 3 times. Should take about 40 minutes total.

 

After the third time the security light should not stay on and the truck should start.

 

Good luck and I hope everything works out for you.

CRDJEEP Enthusiast

CRDJEEP

Posted
  • Author
Posted

I will try this as well. Thanks anymore ideas are welcome!!!!!! Im out of warranty by 3 months. It only has 31000 miles on it. it has the 4.8 z71 package

 

 

Just for the heck of it, leave the key in the on position for like 10 minutes and then try to crank it. I have a friend that has to do this occasionally with his Grand Am. Kind of a security relearn. Maybe that will help. Good luck!

 

 

Hey, that's for the tip, The guy camping beside us called someone and he said try that too. Didn't help though :D

 

 

Maybe just give it a shot. But when I had to do a security relearn after my tune I had to do that 3 times.

 

BlackBear's instructions were:

1. Turn key to run position. Security light will come on. Leave it like that for 10-12 minutes until the security light goes off.

 

2. Remove key from ignition for 45 seconds.

 

Repeat that 3 times. Should take about 40 minutes total.

 

After the third time the security light should not stay on and the truck should start.

 

Good luck and I hope everything works out for you.

 

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