Hazard Flasher Relay: Testing and Inspection
HAZARD LAMP RELAY1. Disconnect the negative (-) battery terminal.
2. Disconnect the ICM relay box connector.
3. Check for continuity between terminals. There should be continuity between the No. 3 and No. 12 or No. 7 of ICM-B terminals when power and ground are connected to the No. 3 and No. 17 of ICM-B terminals.
4. There should be no continuity between the No. 3 and No. 12 or No. 7 of ICM-B terminals when power is disconnected to the No. 3 and No. 17 of ICM-B terminals.