I have not had the best of luck with this guy. He stayed in touch with me before I had an issue with his product now he won't respond to my emails. I understood the alternator was to have a factory plug in. When I told him I was having issues with the voltage he did send me a response explaining what I needed to do to make it work. The issue is I did not understand the instructions and even asked if he could send me for lack of a better terms the dummy instructions because I didn't get it. Three emails and no response. Perhaps he's mad I don't understand, who knows. I guess I won't understand since he does not to the right thing and at least respond after multiple emails. Customer service seems to have gone out the window after I gladly paid the man for a product.