Quote Originally Posted by mudski View Post
Well its all in and connected. I started the car up, lights came up on the ctek, the power light, the alternator light and the service battery light. I checked the charge voltage and the crank battery is getting a charge but the aux isn't. new battery there so maybe its charged enough sitting at 13.5V.... I can't see anything in the three whole pages about voltage cut-off etc etc..
If the starter battery is charging or below required volts I think around 10.5v then the ctek will not charge the AUX battery until the starter hits 13.4 or 13.7v just from memory when I had mine in the gq