I am running an isolator and have found the red wire coming off of the voltage regulator, but wanted pull it off of wherever it is ran, as opposed to cutting it. It goes into the loom and I can't seem to find where it ends. I've read a lot of different posts that seem to talk about a few different places. Does it go to the starter solenoid? Somewhere up under the hood? I have an old surepower 702R isolator that I'd like to put to use here. Any help finding the right wire would be greatly appreciated. I am looking for the charging output wire coming off of the voltage regulator mounted in front of the radiator. Thanks!