If you are concerned about summer heat in slow /no-go traffic. suggest the simple mod of relocating the Temp sensor for the engine compartment purge fan.If you reposition it closer to the cylinder head , it will turn on the exhaust fan sooner/longer.
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Originally Posted by Boxstard
Also added a toggle switch to manually turn on/ off the fan, so I got full control to keep the engine cool consistently in heavy traffic during summer, plus easy to diagnosis for bad fan/ register with a flip of the switch.
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