65amp wiring/trouble shooting

Sounds like your making some progress, so let's move forward. The fuse or circuit breaker is located under the dash on the far left near the fuse box. It's a small black box with 2 black wires connected to it. The size of the box is about 1 1/2 by 1/2 by 1/2 in inches. Part #3764198.
Here's a picture.
https://www.ebay.com/itm/2235485731...AAOSwZoBc~-zD&amdata=enc%3AAQAIAAAAwPwPSZY4NzBy the way that part number also fits Abodies along with C and B bodies.