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The NL4 replaces your paddle-wheel with a GPS Receiver.

Paired to a GPS receiver, the NL4 emulates the paddle-wheel’s speed for a seamless

Integration... The GPS velocity is fed into your boat’s ‘dash’ computer as if it were a paddle-wheel.

 You’ll enjoy the

reliability and accuracy inherent with proven GPS technology.

This will eliminate the inconsistent speeds, the frequent calibrations and  

general headaches associated with paddle-wheels.   

IT’S PLUG AND PLAY. NO CUSTOM WIRING REQUIRED: Separate the

 Paddle-wheel connector from the computer, and insert the NL4 in its place.

Position the GPS receiver on your boat.

Thread its cable to the NL4 and insert... You’re done!



A second connector is provided for Lake Temperature (and Depth). Reinsert the

 loose paddlewheel connector into it, and the secondary functions are preserved.



...Got the package last night and  installed it in the boat. We went  to the lake today to try it out.  All I can say is wow!!!! Review our Policies before you buy... GPS Receiver is included. IMPROVE ON THIS OLD TECHNOLOGY Product Finder By NL4 models Shown below