ASI BAC 855 is awesome electric motors controller in small form factor, however it's prone to damage due to water ingress into JST connector. Sealing the connector with silicone is not 100% reliable waterproofing method, therefore putting whole controller inside a plastic box is much more secure method. In this movie you will see the harness hole not sealed, which is sufficient protection against splashing water, but if you want extra level of protection, the opening can be sealed off with silicone around cables.
Chapters:
0:00 Introduction
1:35 Preparations:
3:24 Soldering XT90 connector
4:22 Cutting box with "Dremel" tool
5:24 Complete installation
8:23 Summary