How to Repair a Rusty Fuse Box on a Classic Car. Mustang Identify Your Fuse Box. This guide can be used for a lot of cars from the 60's up to the 80's but I'll Get Everything You´ll Need. For this job you will need: 10 or more SFE fuse clips according to your Remember the Original Wiring Order & Remove the Box. Mark every cable before remove the fuse Remove Fuses and Rusty Clips. We can see a lot of rust on the box, this is because most of the See all full list on instructables 1965 and 1966 Ford Mustang fuse box guide - Classic wwwg65›guidesThis article will help you to locate the fuse box, seek out blown fuses, identify which fuse does what, and to replace the blown fuses with new ones with the correct amperage. Mustang 65. Tips and guides to keep your 65 'stang running. guides; About & contact; 1965 and 1966 mustang fuse box guide.