if it what I think it is they put a resistor inbetween the fan and the wiring harness. Should take all of 30 minutes at most. It just plugs in and is very noticable it you look at the fan. Have the dealer run an oasis report to find out the outstanding recalls that you have, hope that helps

Son - 1995 Mystique LS Zetec 5-spd --> newest "mod" -> a girlfriend by my side
Father - 1995 Contour SE Duratec 5-spd
Mother - 1999 Contour SE Sport Duratec 5-spd

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