Urgent help needed: no power

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Captain Slow
Long story short: Absolutely no electrical power in the GTO


Story:
I've had this 2004 GTO for about 6 months now. I really haven't had any issues with it at all...just a couple of minor things, but those were sorted out pretty early on. The only modifications done to the car are a Predator tune (just the pre-programmed one, nothing custom) and an exhaust.

I got up this morning to drive to the gym, and everything was fine...there and back, the car was just like normal. Got home, took a shower, and got ready for work. Got back in the car to go to work, turned the key, and nothing. No clicking, no sluggish starter, nothing. The information display (where the MPH, odometer, etc is displayed) lit up everything that could be displayed, then the display went blank. Absolutely no electricity. I couldn't even scan for codes because there was no power. I took the battery terminals off, cleaned them up, and connected them again. Looked inside the car, and the odometer was displayed. Got in to start the car, and the display went blank again, and again...no power.

I am thinking (hoping, rather) that it is just a battery issue, but I just replaced the battery when I got the car. I haven't had any issues with it until this point...no sluggish starts or anything.

Is there anything else that would cause a failure like this? I'm going after work to take the battery in to be tested, but I'd like to hear other thoughts in the meantime.

Thank you for any help!
 
Battery. My dads 07 cts sport did that. it gave no warning what's so ever, it just was dead and hr after we just got back from the hospital. Idk what gm did to make it like that must be lithium batteries lol but sounds like the same issue he had, and it wasn't to long ago on a nice 70* day to so not like or was do to the cold weather or anything. Hope this helps GL
 
Thank you very much...that is the #1 thing I am going to check out when I'm done with work. I REALLY hope that's the issue, because that pretty much is the extent of my knowledge of this car's electrical system (red goes to the +, black goes to the - :lol: )
 
I FIXED IT :D

SIMPLE problem...sort of suspected it, but I couldn't tell until I got back home from work and looked at it again. The terminal for the positive battery cable was basically FUBAR'd...I had to get a replacement one when I first got it, and I guess it just sort of wore out. I bought a cheap replacement, hooked it all up, and it was 100% perfect again. I'll have to get the factory replacement this time, but for now...everything is back to normal.

Thank you everyone who helped me with this issue! REALLY appreciate it!
 
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