I am pretty sure the low fans trigger at 102° C, and high fans come on at 110° C. However, if you have the AC on the low fans will already be running. I did not wire the low fans to a switch, because I have the AC on most of the time. I have found triggering the high fans when on city streets or rush hour traffic keeps everything nice and cool, not sure if I will bother wiring the engine compartment fan.
One question, what amp/volt rating is the minimum for the fan switch? I am not happy with the switch I bought, and I want to make sure I get the correct type. Thanks!
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1999 Ocean Blue Metallic Boxster - blueboxster.com
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