Heated Glass Element Relay: Testing and Inspection

Normally-open type B:

Power Relays-Relay Test:

1. Check for continuity between the terminals.
^ There should be continuity between the No.1 and No.3 terminals when power and ground are connected to the No.2 and No.4 terminals.
^ There should be no continuity between the No.1 and No.3 terminals when power is disconnected.


^ Rear window defogger relay




Type 1:

Rear Window Defogger Relay:

Type 2: