Sounds like the circuit breaker needs replacing. Mark 6683 dmcorlando2003 wrote: > After my AC runs for awhile (30-45 min or so) Wen the Fan is on 3 or > 4 it cuts off. I kow the are on two seperate relays, one for 3 and > one for 4. Whatis causing this...is it that they are over heating? > Do they need to be replaced? (Should I swap them with one of the > other relays like the high or low beam and try that first?) > > Unfortunately I am never in a position to check them out when the fan > stops. > > Michael > Vin# 2944