Understanding car fuse abbreviations is essential for troubleshooting electrical issues. Here are five common symbols found in fuse boxes:
Lighting Systems
- DOME: Powers interior dome lights, map lights, footwell lights, and often trunk lights.
- INT: Short for Interior, typically controls similar cabin lighting functions as DOME.
Wipers and Washers
- WIP or WW: Stands for Wiper or Windshield Wipers. Controls front wiper motor operation.
- WSHW or WASH: Powers the windshield washer pump motor.
Power Accessories
- P/W or PWR WDW: Operates the power windows motors.
- : Controls power sliding doors in minivans and SUVs.
Critical Engine Functions
- ECU or ECM: Supplies power to the Engine Control Unit/Module (the vehicle's main computer).
- IGN or IG SW: Key-controlled circuit supplying power to the ignition switch, starter system, and fuel injectors.
Accessory Sockets
- CIG or LIGHTER: Protects the circuit for the cigarette lighter socket and/or primary accessory power outlets.
- A/C SOCKET or ACC: May protect additional accessory sockets or ports (USB, etc.).