I would look on the dash or steering column or in your owners manual.
In the 2002 Hyundai Sonata the turn signal flasher is located on the driver side below the fuse box in the far left corner of the floor board
where is the starter located on a hyundai sonata
where is the coolant temp sensor located on a 2006 hyundai sonata
The fuel pump is inside the fuel tank on a Hyundai Sonata.
The transmission filter is located under the transmission on a 2002 Hyundai Sonata. it is under the transmission drain pan.
The Hyundai Sonata's transmission range sensor is located directly below the vehicle's oil filter. It is located near the range switch.
The drivers manual
Model year 2011 Hyundai Sonata editions include the Sonata Hybrid, Sonata Turbo, and the Hyundai Sonata SE. Hyundai Sonata is now in its sixth edition of production.
You may have blown a fuse or a flasher.
The starter of a 2004 Hyundai Sonata is bolted to the transmission bell housing. You will see the starter on the off to the side of the engine.
You cannot use the 2004 Hyundai Sonata body parts on a 2003 Hyundai Sonata.
I believe the flasher is a square (cube) with 4 prongs that plugs into the panel above the fuse box.