Trailer Wire Harness Plug-In Simple Vehicle To Trailer Wiring Harness; Traditional Diode Blocks; 3.0 Amp Capacity; FEATURES: Isolates Towed Vehicle From Motorhome Splices Into Existing Harness Powers Taillights And Turn Signals On Towed Vehicle 2 Input Spades And One Output Spade 90 Day Warranty From The Date Of Original Purchase Allows motorhome or RV to power the lights on the towed vehicle without power feedback. Includes four isolating diodes and mating spade connectors. Hopkins is a leader in the manufacturing, distribution and marketing of quality, innovative towing and vehicle accessories for the automotive do-it-yourselfer, installer, recreational, agricultural and commercial user. Product solutions offered include: Towing electrical and RV levels; snow and ice tools; vehicle cleaning tools; DIY oil change and fluid maintenance tools; automotive air fresheners; vehicle organization and mobile accessory products; automotive protection products including seat covers, steering wheel covers, floor mats, and sun shades; and tire safety solutions. Hopkins strives to make the consumer experience simpler and more rewarding through innovation and value. We follow a consistent philosophy, including: leveraging consumer insights to drive product innovation, delivering end-user value through efficient manufacturing strategies, maintaining rigorous quality control measures ensuring peak product performance and providing premium consumer support through a dedicated team of support specialists and mobile/on-line resources.