engine fan switch
#3
RE: engine fan switch
it is controlled by the PCM which gets its info from the coolant sensor located in the front of your manifold on your passenger side. sensors get sluggish over time, its cheap throw a new one in there and if it doesnt fix it get yourself a wire diagram and run a 25amp FUSED toggle switch in there itll be alot cheaper than replacing the pcm.
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HIS S-197
4.0L V6 Technical Discussions
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08-10-2015 05:47 PM