I would at the switch first, low and medium speeds are usually achieved by running the current through resistors. The resistors are bypassed in the high fan speed mode, so the wiring between the fan motor and the switch should be ok, as would the hot wire that feeds the circuit. Mike At 05:54 AM 9/3/2004 -0700, jennifer allyn wrote: >On our 1962, with factory A/C.... > >Blower works fine on low & medium, but is now blowing the fuse on high. > >Any clues on where to begin diagnosing? ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Autos. Everything you need to know about buying or selling a car. FREE Quotes, 360° Tours, Research, Blue Book, Compare Vehicles, Buy Used http://us.click.yahoo.com/kEZsdA/bwnGAA/YiGOAA/8LmulB/TM --------------------------------------------------------------------~-> To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/