I have an '87n/a that is sitting. The problem I have right now is that none of the electrical equipment in the car is working. The car starts up right away but the radio, horn and guages do not work. I cleaned the battery posts and put new clamps on. I checked the fuses in the driverside compartment and they all check out. I cannot figure out what the problem is. Has anyone ever had this problem or know what it might be?