CAN SOMEONE TELL ME HOW TO TEST MY AUXILLARY FAN TO SEE WHICH COMPONENT NEEDS REPLACING, BECAUSE IT ISNT WORKING AND MY CAR'S STARTING TO RUN A LITTLE WARMER SINCE ITS WARMER OUTSIDE. IN OTHER WORDS, HOW DO I TEST THE TEMP SWITCHES ON THE SIDE OF THE RADIATOR, AND THE RELAYS TO NARROW DOWN WHICH ONE ISNT WORKING. ALSO, IS THERE A WAY FOR ME TO TEST THE FAN ITSELF?