The Hyundai Tucson is a compact crossover SUV produced by South Korean automaker Hyundai. Introduced in 2004, it shares its platform with the Hyundai Elantra and Kia Sportage. In this article, we will take a detailed look at the fuse box diagrams and relay assignments for the first-generation Hyundai Tucson (JM chassis code) covering model years 2004, 2005, 2006, 2007, 2008, 2009, and 2010.
Below you will find fuse box locations, diagrams, and photo references. Fuses protecting the “Cigarette Lighter” and “Fuel Pump” circuits are highlighted in bold.
Engine Compartment
Depending on the installed engine type (gasoline or diesel), the engine bay contains either one or two power distribution boxes.
Primary Fuse Box
Located on the left (driver) side of the engine compartment, adjacent to the battery.
Auxiliary Fuse Box (Diesel Models)
Auxiliary junction box installed exclusively on models equipped with a diesel engine.
- GLOW PLUG RELAY
- PTC Heater Relay 1 / 2 / 3
- Fuel filter heater relay
- 30A Fuel filter heater fuse
- 80A Glow plug pre-heating main fuse
- 40A PTC heater fuse 1 / 2 / 3
Passenger Compartment
The interior features two power distribution panels responsible for protecting passenger compartment electrical circuits.
Instrument Panel Fuse Box
Located on the driver's side end of the instrument panel (dashboard), behind the removable side access cover.
General view of the Hyundai Tucson interior fuse box panel.
Passenger Compartment Relay Panel
Passenger compartment relay panel layout
Relay Assignments
- R1 – Rear window defogger relay;
- R2 – Tail light relay;
- R3 – Power window relay;
- R4 – Turn signal / flasher relay;
- R5 – Security alarm relay;
- R6 – Rear fog light relay;
- R7 – Hazard flasher relay;
- R8 – Windshield de-icer relay;
- R9 – Central door locking relay.