Will this harness work with other bulb types?

This harness is specifically designed for H4 bulbs. Putco offers similar harnesses for other bulb types, including 9004, 9007, 9006, 9012, H13, and 9008.

Is this harness compatible with vehicles that have daytime running lights?

According to Putco, this harness is not intended for use with vehicles equipped with DRLs (daytime running lights). Using it in a DRL-equipped vehicle may cause issues with the lighting system.

Does this harness include wiring for turn signals or parking lights?

No, this harness only includes the necessary wiring for the headlights themselves. It does not include any additional wiring for turn signals or parking lights.

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Trusted Since 1957

Est. 1957

Putco H4 - 100W Heavy Duty Harness & Relay Wiring Harnesses

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Specifications

Brand: Putco
Part #: 230004HW
UPC: 010536231878

Putco H4 - 100W Heavy Duty Harness & Relay Wiring Harnesses

Name: Putco H4 - 100W Heavy Duty Harness & Relay Wiring Harnesses
Brand: Putco
Price: 45.40 USD
Availability: InStock

$45.40

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

H4 heavy-duty harness and relay from Putco. Increases headlight output by bypassing the headlight switch.

Key Features

Relay — bypasses the headlight switch
Increases light output — pulls power directly from the battery
Heat-proof design — protects against high-wattage bulbs
Hard-insulated plastic plugs — durable construction

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

Part numbers equipped with relays will bypass the power draw from the headlight switch by pulling power directly from the car's battery, this will increase your light out-put on your headlights and you can still use your factory headlight or fog light switch! These harnesses do not include any extra wiring for turn signals or parking lights. Parts equipped with relays are not intended to work with vehicles equipped with DRLs. Available for 9004, 9007, 9006, 9012, H13, 9008 and H4.Putco light wiring harnesses are designed to be heat-proof to temperatures of more than 480 degrees F for added protection with high-wattage bulbs. Their connected plugs are hard-insulated plastic. These fog light wiring harnesses install easily to replace the original connected plugs.