The 250-4165 is a VSS magnet kit with pick up coil. Normal rear wheel drive domestic installation would take a single magnet on the drive shaft with a pickup coil mounted aprox 5/8 inch away.
2 Reviews
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Cruise Installation
Might as well replace the installation booklet with "call manufacturer tech support"! While some reference info was ok, the harness instruction were totally wrong and misleading! Thankfully, Rostra tech support knew about it and told me right of the bet: disregard the instruction and do this.... Then it worked as expected. I installed it on an army truck. The store person was very pessimistic that it will work. But it does.
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Strong Magnets
Had to put magnets on because my car is to old to have VSS, first time I ever put magnets on the drive shaft but so far it works good.
