How much current does it take to open the powervalve servo on an SRX anyway?I had to replace a broken cable on my 98 and figured I'd set the valves while I was at it but had to borrow a spare battery from work to use as a power source.My battery charger with a max of 6 amps wont do the trick,just how much does it take?I'm thinking of building a power supply with variable current output capability and want to make sure it's got enough for this task because I don't have a 12volt battery just sitting around,no 4 wheeler or riding lawn mower at my house to rob a battery out of.