How to Install Toggle Switch for an Electric Fan on Radiator 1993 Jeep Wrangler YJ. This is how we installed a toggle switch to the radiator electric fan on our 1993 YJ Jeep Wrangler. It is either on or off. No relays were used. BUY ON AMAZON - LINK BELOW.
I have it set up to where it blows air to the block, and is either on or off. We leave it on all the time, unless we park and want to listen to music.
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