You need to order a relay upgrade kit. Included in the kit are 2 new circuit breakers, one for the heater fan and one for the radiator fans. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, id <ionicdesign@xxxx> wrote: > 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