2 PCS Fused Cigarette Lighter Male Plug, 12V Cigarette Lighter Socket Adapter with Leads & LED Light, 15A 16AWG Fused Socket Cord DC Battery Charger Kit for Most Vehicles

https://a.co/d/0h3SCqPx something like this. Idk why you think they don't have instructions. Mine came with an instruction manual and links to videos. Plus there are 9258273× videos of how to install them on YouTube and it's covered on here often. It's an incredibly straightforward install that is well documented. Takes me like 30mins. You said you were looking at a Vevor? They have customer support and have a 12 month warranty. Calling it a pipe bomb is asinine when diesel is so difficult to burn and even more difficult to cause an explosion... You say you've done your research, but your questions and responses say otherwise.