Husqvarna recommends the use of this auxiliary wiring harness with all power consumers. With this wiring harness, you have the option of fitting additional power consumers to your motorcycle such as grip heaters or fans. This wiring harness gives you the option of fitting additional power consumers to your motorcycle such as grip heaters or fans. Note: The power consumer is now connected directly to the battery. Therefore, the Y-Distributor with Switch (sold separately) is also recommended when installing this auxiliary wiring harness. Husqvarna PowerParts P/N: 77711979000.