Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
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Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
KASLIGHT H4 Relay Harness 1Set 2 Headlight Connector H6054 LED Headlights H4 Wiring Harness Kit Brightness Intensifier for 9003 6054 Toyota Pickup Jeep Headlamp Fix Light Dim Dual Ground Problem
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$25.94
Regular price
$37.06
-30%
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Vendor: KASLIGHT
Type: Electrical
Sku: WBCARB07B9QQMMH
Available: Available
Shipping information
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
If you have trouble with your 7x6/5x7/H6054 LED hedlight not working properly, problems such as dim headlights, malfunctioning headlights when using hi/lo beam, this H4 headlamp relay harness below can fix, please buy this if your car suffer from these problem, especially for Toyota Tacoma series.
H4 headlamp Relay Harness Installation Instructions are as below, also more details you can also refer to the main pictures : The harness is plug and play and will power your lights automatically. Follow these simple steps: 1.Unravel the harness and lay it out in the front of your engine compartment 2.Make sure the side with the relays is sitting on the same side where your battery is installed (before you dress the harness into the body of your car, connect it an make sure the lights work properly) 3.The harness is equipped with a 30A fuse. Connect the red cable coming out of the fuse to the positive (+) side on your battery. 4.Connect the black, 3 prong plug on the harness to the closest car harness headlight plug 5.Connect the ground cables in each of the yellow plugs to the body of the car. You can use existing bolts or self tapping screws but verify that you have a good ground. Connect the yellow plugs in the harness to your headlights and test your low and high beams. Once you have successfully tested your lights, you can dress the harness properly to the body of the vehicle. Attach the relays to the body of the vehicle as well and verify the harness is not pinched, all bolted terminals are properly tightened and all plugs are fully connected.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What vehicles are compatible with the KASLIGHT H4 Relay Harness?A: The KASLIGHT H4 Relay Harness is designed to work with vehicles that have 2 pcs H4 plug headlamps, including Toyota Tacoma, Toyota Pickup, Subaru, Mitsubishi, and Suzuki models. It is particularly effective for fixing issues with headlights in negative switched vehicles.
Q: How does the KASLIGHT H4 Relay Harness fix dim headlights?A: This relay harness addresses dim headlight issues by converting the headlight system from ground-switched to positive-switched. This modification allows for better power distribution, resolving problems like flickering headlights and overheating plugs.
Q: Is the installation of the KASLIGHT H4 Relay Harness difficult?A: No, the installation is straightforward as the harness is plug and play. You simply need to connect the relay harness to your battery and headlight plugs following the provided instructions, making it accessible even for those with basic automotive knowledge.
Q: What should I do if my socket pin is not standard?A: If your socket pin is not standard, you will need the KASLIGHT H4 9003 HB2 Wiring Harness. This alternative is necessary for vehicles experiencing grounding issues, particularly in Toyota models, to ensure proper functionality of the headlights.
Q: Can the KASLIGHT H4 Relay Harness be used with LED headlight upgrades?A: Yes, the KASLIGHT H4 Relay Harness is designed to support LED headlight upgrades. It addresses common issues that arise when upgrading, such as dim or flickering lights, ensuring optimal performance of your new LED bulbs.
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