Thanks for responding, I have an old one and couldn't find anything with it so might have to invest in a newer digital one.....that's if I'm even using it correctly.
Before you say it I know there are lots of posts on this but they don't help.
I have a 2002 2.3k clk convertible and I've gone through 5 new battery's in 9 months due to draining, if I'm lucky it will start in the morning but most I have to end up charging the battery for a while. I have...