Terminal function

WARNING: This page is about a different car, the 2017 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Stop Lamp Switch Connector Terminals

Courtesy of HYUNDAI MOTOR AMERICA

Terminal	Description
1	IGN1
2	Engine Control Module (ECM)
3	B+
4	Stop Lamp