Pigtail Wiring Harness with Diode for Tekonsha and Draw Works with most Tekonsha and Draw-Tite brake controllers. Call 800-298-8924 to order Tekonsha accessories and parts part number 7865 or order online at etrailer. Free expert support on all Tekonsha products. Guaranteed Lowest Price and Fastest Shipping for Pigtail Wiring Harness with Diode for Tekonsha and Draw-Tite Brake Controllers.5/5(1)Price: $18Brand: TekonshaCategory: Accessories And Parts Tekonsha - Trailer Brake Control Harness Tekonsha ®, the Tekonsha ® logo, and Tekonsha ® graphics are the servicemarks, trademarks, or registered trademarks owned by Horizon Global Corporation. All other servicemarks, and trademarks are the property of their respective owner.