How To Find Electrical Problem Affect Spark And Fuel Pump

in the back left side under the plastic panel, there is a switch, it shuts off if you crashed against something; it is for driver security , just check if all is O.K. , then take off the plastic panel and press a small button to reactivate.then place the plastic panel in its place again, you will need to take off both plastic panels if you need to change the lamps in the tail of your car (i.e. position lights, reverse white lamps, hazard lamps) by the way, the radio is connected to an amplifier module that is under the back right side; I have some time trying to locate the wiring color of the cables that are connected to the rear speakers (going out from the amplifier not from the speakers