the 8 amp fuse that controls my tach, backup lights, some A/C controls, seat belt warning light blows as soon as the car is put in reverse. I unpluged the rear lights and still the same. If I jump it with a wire the backup lights work so not a short there. Once the car is in drive with a new fuse it is fine, never blows. I'm thinking bad neutral safety switch. Any ideas from the experts or someone who had and fixed the same thing?