GLOBAL POSITIONING SYSTEMS CONSISTING OF GPS TRACKING DEVICES AND ELECTRICAL HARNESSES FOR HOUSING THE GPS TRACKING DEVICES AND FOR ENABLING ELECTRICAL CONNECTION BETWEEN TRUCKS AND TRAILERS; GLOBAL POSITIONING SYSTEM (GPS) TRACKING DEVICES INTEGRATED INTO ELECTRICAL HARNESSES FOR USE WITH HEAVY-DUTY VEHICLES; HEAVY DUTY VEHICLE TRACKING SYSTEMS, PRODUCTS AND COMPONENTS THEREOF, namely, BATTERIES AND SOLAR PANELS FOR RECHARGING THE BATTERIES, MOTION SENSORS, COMPUTER HARDWARE, RECORDED COMPUTER FIRMWARE AND SOFTWARE FOR CONTROLLING SAID COMPUTER HARDWARE, FOR COLLECTION OF LOCATION DATA AND COMMUNICATION OF LOCATION DATA TO A REMOTE DEVICE SOLD AS A UNIT; SENSOR MONITORING SYSTEMS COMPRISED OF ELECTRONIC CIRCUITS, COMPUTER HARDWARE, AND RECORDED COMPUTER FIRMWARE AND SOFTWARE FOR CONTROLLING SAID ELECTRONIC CIRCUITS AND COMPUTER HARDWARE FOR COMMUNICATING WITH, AND RECEIVING DATA FROM, SENSORS, namely, VOLTAGE SENSORS, CURRENT SENSORS, MAGNETIC SENSORS, TEMPERATURE SENSORS, PRESSURE SENSORS, CHEMICAL SENSORS, PROXIMITY SENSORS, MOTION SENSORS, AND IMAGE SENSORS; EQUIPMENT FOR HEAVY DUTY VEHICLES, namely, ELECTRICAL CONNECTORS FOR COLLECTION OF LOCATION DATA AND TRANSMISSION OF LOCATION DATA TO REMOTE DEVICES; ELECTRICAL HARNESSES WITH INTEGRATED GPS TRACKING DEVICES