OK I took the Relay out in the engine compartment last fall so my heater would work....Up until then fuse 38 was blowing every time. So now that it is hot I put the relay in and the a/c works....until I ve the car...So I am thingking that there is a wire some where that the isulation is worn off causing a short......My question is does anybody have any ideas where something like this might be.....or if they have expereinced anything like this...