30815 H-4 Headlight Relay Conversion Harness

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  • Regular price $190.99
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This headlight bulb conversion from Painless Performance®™ is designed for H-4 halogen bulbs. The harness draws power directly from the battery, through two relays, to the headlights, providing full power to the headlights.  For more information about this conversion kit, check out the online instruction manual