Originally Posted by BillBost37
Oh..and why change the coolant temp sensor it it'* reading a firm 220 on your gauge. Sounds like the sensor is working. I'm not sure where the signal to turn on the fans comes from....PCM??
Masters of the Bonneville....help me out here.
The temp gage runs off of a compleatly differnet sensor
The coolant temp sensor is used by the ECM, this lets the ECM know what temperature the engine is at, and when to go into our out of closed/open loop mode.
As far as the fans go...i really wouldnt know were to start on that one.