My Coronet misc tech - Crazys Mopar tech pages New main fuse box. Mouseover the images for a larger image. I replaced the OEM under dash fuse box for a new modern one. So you can use modern blade fuses, readily available and cheap. Before I could do anything I had to find out how many fuses the Mopar fuse box held. Six, as it seems. I took one out, to measure it up. mopar fuse box | eBay Find great deals on eBay for mopar fuse box. Shop with confidence.