ZCI Zero Contact Interface Universal Modulite With Wiring Kit Tekonsha
(Tekonsha Part #: 119251)

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ZCI™ Zero Contact Interface universal modulite requires no cutting or splicing to your vehicle factory harness. ZCI sensor technology and direct connection to tow vehicle battery eliminates all electrical connection & interference with tow vehicle electrical system.


    Fits12 volt systems only
    Installation InstructionsCLICK HERE
    Product Video CLICK HERE


    • Works with 2 or 3 wire systems
    • Works with PWM (pulse width modulation) or multiplexed systems requiring 2, 3 or 4 wire hookup.
    • Rated for up to 4.2 amps for turn/stop & 7.5 amps for taillight trailer circuits.
    • Integrated auto resetting short & overload protection.
    • Compact design for ease of mounting
    • Will work with standard & L.E.D. bulbs
    • Works with low side switched vehicles (Ford Windstar)
    Installation Instructions CLICK HERE


    Tekonsha Engineering opened its doors in 1963 and at that time manufactured wooden steps for the Mobile Home Industry. In the mid 1960's they started manufacturing hydraulic brake controls (2014 & 2015). When the 70's came Tekonsha Engineering made a major break through, they were the first to break new ground with an electronic brake control (the sway control and the 2040). These units changed the company forever. They went on to manufacture the 2016 & 2017, which are hydraulic controls, and the 2030 & 2035, electronic controls.

    In the early 90's Tekonsha introduced the Commander™ and Voyager™ proportional electric brake controls. In 1993 they followed with the AccuTrac®, an inertia sensitive control and in 1995 the Sentinel™ was introduced as a monitoring unit.

    March of 1999 was exciting for Tekonsha™ with the launch of a new proportional control, the Envoy™. This unit has the best features of the Voyager™ and the Sentinel™ combined in one unit. Tekonsha's newest self-leveling proportional control, the Prodigy™, made an exhilarating release into the industry in February of 2001. It is the latest and most intelligent brake control from Tekonsha™. This powerful control features new motion sensor technology similar to what is used in the aerospace industry.

    In January of 2003, Cequent purchased Tekonsha Engineering.

    The above information has been provided by the Manufacturer, and we cannot guarantee the accuracy thereof or endorse the opinions expressed.