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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> DTC B2575: Low Beam Headlamps And The Headlamp Low Beam Relay Control Circuit >> Circuit Description

Circuit Description

When the body control module (BCM) senses a request for low beam headlamp illumination, the BCM sends a ground signal to the low beam headlamp relay through the headlamp low beam relay control circuit. The headlamp low beam relay will apply voltage to illuminate the headlamps.

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