LED Resistor Harness (H4) – 20041

MSRP $11.99 USD

For use with Concept or Xtreme LED bulbs to add load to any vehicle lighting system. Simulates standard halogen environment. Adds on 15W of load to the headlight system to offset the error caused by the CAN bus system. A wire wound resistor potted inside of an aluminum heat sink with the vehicle specific H4 connector.

Used on many Toyota Tacoma and Tundra. When led fog lights are installed in addittion to the led headlights, the addition of this resistor will usually eliminate the flickering and dash error.

Sold as an individual unit. Easy to install. Plug and play.

SKU: 20041 Category:

Current Draw: 1.2A @ 12V
Wattage: 15W
Load: 12 Ohm

Eliminates any light failure diagnostic of CAN bus system
Load equivalent wattage 15W
(12) ohm resistors
Easy to install with factory connector
2 Year Warranty

Note: All resistors will get hot and should be mounted away from plastic or other wiring. To install, purchase ONLY one (1) unit per vehicle and install it either in the passengers or driver side light between the new LED light and the vehicle pig tail.


If you have further questions or need technical assistance, please call one of our knowledgeable tech support experts at (888) 608-2220

1 Harness

ARC Lighting provides a 2 (two) year warranty on all products, for manufacturing defects or product failure. If you have an issue with any product, please report it to our authorized dealer or distributor where your product(s) were purchased. When directed to do so after you have spoken to the purchasing location you may file your claim with us directly using the online form below. If your product is determined to be defective in material or workmanship, ARC Lighting will issue an RMA number.

After speaking to our technical support, please click here to file a warranty claim