Power Window Relay: Testing and Inspection
POWER WINDOW RELAY INSPECTION1. Disconnect the negative (-) battery terminal.
2. Remove the power window relay from the junction box.
3. Check for continuity between the terminals.
4. There should be continuity between the No. 1 and No. 4 terminals when power and ground are connected to the No. 2 and No. 3 terminals.
5. There should be no continuity between the No. 1 and No. 4 terminals when power is disconnected.