Posts Tagged: replace car fuse

Automotive Fuse Types and Sizes: What The Letters Mean

Blade vs Cartridge vs Bolt-Down Automotive Fuse Types Quick Summary In the 1970s and 1980s, carmakers began switching from AGC fuses (also known as glass tube fuses or Buss AGC fuses) to ATO (Automotive Type Open) blade-type fuses. The glass fuses were typically 1/4-inch diameter by 1-1/4-inch long and were rated for various amperage values. The ATO fuse style uses two flat metal blades that plug directly into a fuse holder, replacing the older glass-tube design. In practical terms, an ATO fuse: • Has a transparent plastic body so you can … Read More