Works just like it should. I needed some thing for second battery set up and this does the job just fine. I knew it would work cause like use Phoenix products alot so I knew it would do just fine. The hardest part for some one thats not to good around a car is ing wire. I have a repair manual so no big deal. When you mount it, all I have to say make sure you mount it some where that it won't get in the way of other things, cause you don't want to have too take it off when you are doing work on your car. I always do that so I don't have too. It just makes things way better in the long run.
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