The harness comes along with an inline fuse pre-put in. Get in touch with us for those who are looking for a Supra Adapter to connect to the inventory battery harness (2023 model Sur-Ron and previously only). Other search engines affiliate your advert-click on conduct which has a profile https://johnnyvndso.tinyblogging.com/the-smart-trick-of-surron-battery-72v-that-nobody-is-discussing-82291785