1995 Chevrolet Silverado Electrical

Check battery for condition including load test most places do for free. Then have it scanned for codes. Also check battery in key fob

Unless you have a pro type scanner you cannot pull the codes for these type of things that are wrong with your truck. If your abs light is on something is wrong with the abs system. There are no fuses for door locks or windows they are circuit breakes in lh fuse panel see if power is going to switch may not be or the wires have broken between door an djamb or the motors are no good. Try slamming door and see if window works if it does then it's either a broken wire or bad motor. Cruise control may be the module if fuses and brake light switch are ok or a bad connection. For fan motor see if power goes to motor or not then see if going through resistor or to resistor which may be by motor. That can be switch for speed is bad or melted wires on back which at this age of vehicle is quite common. High blower relay is on top of heater case above motor.