Use a multi-meter to confirm that the switch is getting 12V of power. Attach the leads of the multi-meter to where the electrical wires come into the switch and set the meter to DC volts. It should read 12 volts. Trace the wiring from the switch to the motor. This is the path that a signal will travel to move your window when you press the switch. Any breaks or loose connections in this path will prevent your motor from functioning properly. Use the multi-meter to confirm that the motor is getting 12V of power.
Engine analyzer - This vehicle diagnostic tool is absolutely essential in any car repair shop. It is used to test important aspects of any engine like primary and secondary ignition timing, carburetor integrity, soundness of the battery charging system, emission levels, efficiency of the fuel system etc. The engine analyzer is also called a scope and is very useful in subsequent tuning procedures after a complete overhaul.
A technician will use it for: Insulation resistance testing - This helps in ascertaining insulation integrity and therefore prevent leakages which can result in injuries. Detection of rotor bar faults. Ascertaining the integrity of the of the motor to determine whether more tests and repairs are necessary. Detections of loose connections and problems in the circuitry in the winding coil. This auto diagnostic repair tool comes with one of these two options: rechargeable batteries or electric chargers.
All of these are electrical problems which can be fixed by mobile car mechanics. Using state-of-the-art diagnostic equipment is necessary to pinpoint electrical problems in computerised engines, so it's important to use a technologically current mobile car service. The kinds of electrical repairs fixed by mobile mechanics include the following. Fault testing including reading computer fault codes; ECU and PCM; Electronic ignition repairs; Electronic dash repairs; Engine light analysis; Electronic or electric module analysis; Starter replacement or rebuilding; Alternator replacement or rebuilding; Battery replacement; Electric brake repairs; Alarm wiring repairs; Air conditioning repair.