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www.speedwaymotors.com 12 to 6 volt reducers.There a two types of voltage reduces.One is for eletronis devicies such as your gauges.This is transistorized and we call in the Runtz.You need one of these for each electric gauge on your car.The other reducer is the ceramic block style which is used ONLY for your fan motor.NEVER,EVER use the ceramic block version for gauges,radios or lighting as the power surge,when first turned on WILL DESTROY THE ELECTRONICS! Free Catalog page 132 street rod catalog. hope this solves you problems.
