12V Fuse Relay Harness Set 4PIN 5PIN relay with Automotive fuse
Fuse boxes and relay harnesses are key components of an automobile’s electrical system. They are used to connect and manage the various electrical devices in a vehicle, such as the fuel system, ignition system, and other electronic devices. A typical wiring harness typically includes multiple relays (e.g., fuel and ignition relays), multiple fuses, as well as labeling and basic connection instructions for each wire to ensure proper connection to meet the needs of automotive modifications such as LS engine swaps.