2004-2007 Cadillac CTS-V Performance Mods Discussion, [Help!] Battery not Charging Problem in Cadillac CTS-V Series Forum - 2004 - 2007; Has your alternator ever been checked ?
On the flip side, some people here have experienced incorrect alternator assessment before....
No not yet, aside from pulling my battery cables and the car still runs, and the dic voltage remaining constant.
First i'm going to make sure all alternator wires are well away from my plug wires, I know some are close, and I have NGK iridium plugs. Then I'm going to check and retighten the alternator main line to battery connection, seems secure but I never removed it. I'll also try unplugging my horn and see if that works.
If none of the above works, I'll get my alternator checked.
If it checks out, the next time I get a tune I'll get the code shut off, it maybe just an ecm tune glitch like stated on the corvette forum.
I had this same problem the past few weeks, until it finally died. Props to the fellow who spoke of checking the orange wire for voltage when the key is in the on position. This led to 0 volts on the connector in this position versus 11-12v about 1 inch past the connector on the wire where i peeled the orange wire back a little. All I did was simply pop out the connector pin from the connector and resoldier a wire onto the connector pin, pushed the pin back into the connector and then resoldierd the newly soldierd wire and pin to the factory wire (which is really short) from the wire harness. Everything is back to normal now.
For those of you that are getting this message and your battery is still charging, but says it is not. it is most likely the gray wire that has lost its connection not the orange wire.
Cost to fix = $0
However I ordered a new alternator anyways, guess Ill have to return it.
Thanks for the posts on this topic, it really helped me solve this problem
I know it been a long time since you had battery problem, But I need your help, going for the gray and orange wires I need the connector, My Cadiallic dealer said no part like that, help me if you can, Thnaks Greatly jim hanna in greater northwest arkansas 2005 v series 44,000 mile and havcing problems, what about how many push button connectors are holding on the front bumper and big expensive plastic parts on the corners, welcome to GM at it best,
I just wanted to chime in and say I had the exact same problem. Battery voltage would fluctuate between 13.9 and 11.x, got random battery not charging messages, red battery light on the dashboard, and when the voltage dropped significantly I got some messages about servicing the stability control system.
My engine mounts are going out and I read a couple posts in this thread and they were exactly right. The pigtial that plugs into the alternator had a break in the orange wire. I spliced a new wire in its place and got everything fixed up. It charges constantly at 14v now! It took about an hour to get to the wire, I had to remove the airbox to get to the connector, and the connector fought pretty hard. It took a pick to lift the piece of the connector that locks it in place so I could pull it out. After this, the fix was pretty simple, but I went the extra mile to make sure it wouldn't happen again. I depinned the connector with a needle and soldered longer leads on the pins, then used some small crimp connectors to reattach it to the harness. I then added some electrical tape and split loom to make sure everything stayed in place and undamaged.