2002 Lincoln LS "trigger finger thumb" Questions

...Attach a jumper wire to the sensor wire and, with the ignition on, ground the wire. This should trigger the relay and start the fan. If this works then you know it is the coolant sensor.(They

thumb trigger. You will also need a length of clear plastic tubing that will fit snugly over the end of the oil can's spout..and will also fit snugly over the end of the disconnected fluid line at