Very easy to put on and much better then just a tapAfter using this method I now feel that any tap done without it is a hack job. Clean, professional looking, and keeps your tap dust and grease free. Would highly recommend and would definitely use again!Having already pierced a pump wire before, this is much preferable, yes it isn't cheap, but it keeps the outside wire covers intact and a way to hide the fact that pump has been chipped. I'm satisfied it did what I needed it to do. I still did a piercing of sorts because I didn't want to change the way the Edge Attitude wire was made up, basically would have had to clip all of that off and I chose to leave it and use their piercing connector on the supplied BD supplied wire. It worked and I taped everything over to protect it, just to make sure but unlikely that anything would come in contact with it anyway.Read instructions before using. The set pin in cover should only be tightened down until you get a voltage readying using test like or DMM. DO NOT tighten it down like a regular bolt or you'll cut the wire and need a new vp.Once you get the original VP 44 cover off,(pain in butt), goes on fast, easy wire tap, does what it is suppose to. Good job guys, little pricey.Easy to install with my TST box.Great product. Took 10 minutes to install. Clean good look to it. But for easy programmer install. Would buy again.Makes a nice clean connection.