My 12v showed 12.9v off the car, but as soon as it was connected, the voltage dropped to 5v. It is currently in the garage to be fixed. Did you have trouble resetting the green main disconnect? Mine wouldn't go down, no matter how hard I tried. I gave up and have left it for the mechanic to figure out.
Sounds like your battery had a bad cell, they can do all sorts of weird things. I did have some trouble getting the disconnect to go back down it took a while for me to figure out.
Great info..... will be doing mine in a few years.....
My 12v showed 12.9v off the car, but as soon as it was connected, the voltage dropped to 5v. It is currently in the garage to be fixed.
Did you have trouble resetting the green main disconnect? Mine wouldn't go down, no matter how hard I tried. I gave up and have left it for the mechanic to figure out.
Sounds like your battery had a bad cell, they can do all sorts of weird things. I did have some trouble getting the disconnect to go back down it took a while for me to figure out.