A daytime running lamp (DRL) is an automotive lighting (Automobile Safety) device on the front of a road going motor vehicle, installed in pairs to increase the conspicuity of the vehicle during daylight conditions.

The following schematic shows the 2002 Mazda Protege Daytime Running Light DRL System Wiring Diagram. The DRL System consists of: DRL Control Module, ignition switch, headlight high relay, brake system warning light, headlight switch, etc.

daytime running light DRL wiring diagram

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