Tip - How to Replace an Underhood Relay in a Mazda6 | eHow

The underhood fuse/relay compartment in the 2002 Mazda6, one of two primary fuse/relay boxes with the second on the inside driver's side, contains most of the relays needed to regulate high current devices or systems within your Mazda6. This includes the main, starter, A/C, cooling fan (three relays), horn, headlight, headlight cleaner, front and...