Test M: The Hazard Warning Lamps Are Inoperative/Always On

PINPOINT TEST M: THE HAZARD WARNING LAMPS ARE INOPERATIVE/ALWAYS ON

M1:

M1-M2:

M3-M4:

Normal Operation
The generic electronic module (GEM) sends a voltage reference signal to the hazard switch through circuit 91S-LG8 (BK/OG). When the hazard switch is pressed, the voltage signal is routed to ground through circuit 91-LG8 (BK/OG). The GEM then provides voltage to all the turn lamps.

Possible Causes
- Circuit 91-LG8 (BK/OG) open
- Circuit 91S-LG8 (BK/OG) open or short to ground
- Hazard switch
- GEM