Ok i bought this car from a guy he messed up the wiring in the car. he first cut stereo wires to connect after market i bought the hanesss to fix correctly and ok thats got power to it. i now dont have power to turn on my heater in the car unless i connect direct power to it wont turn on trying to find why but cant. is it a relay or wat? someone please help. i put a new ignition switch thinking that would fix my problem but didnt. so i need to get power to the heater and get it fixed how can i check this.?