Have a 1999 Oldsmobile Intrigue 3.8l V6. The

Nov 12, 2009

- I figured it out. The fans wont turn on if there is voltage on the line that is coming from the coolant temperature sensor which is located directly underneath the thermostat housing. When I unplugged the jumper which is centered above the engine underneath the engine cover and cut off the voltage on the line the fans came on in about 10 seconds and stay on. Kragen or Auto Zone has the part for $17.95. Which fixed the problem.