Automotive Diagrams


2007 Chevrolet Tahoe Battery Parts and Components Assembly

The 2007 Chevrolet Tahoe is equipped with maintenance free battery. The battery is completely sealed except for two small vent holes in the side. These vent holes allow the small amount of gas that is produced in the battery to escape. The battery has three functions as a major source of energy: 1. Engine Cranking; […]


Volkswagen Touran Exterior Light Control Wiring System

Volkswagen Touran Exterior Light Control Wiring System. Volkswagen Touran onboard power supply control unit (located on the left underneath the dash panel where it forms a unit with the relay carrier) evaluates the signals directly from the light switch. The onboard power supply control exterior light with bulb monitoring In the event of bulb failure, […]


Audi RS6 Fuel Pump Electrical Wiring Diagram

The Audi RS6 (2003 model year) engine control module monitors the connections to the fuel pump control module. The fuel pump control module monitors the connections to the pumps and transmits the output voltage values to the engine control module. These values are monitored for plausibility. The following schematic illustrates the Audi RS6 Fuel Pump […]


Daewoo Espero Audio Stereo Wiring System

Daewoo Espero Audio Stereo Wiring System. When you switch is ON your Daewoo Espero radio, an auto antenna inner relay is operated by 12V power supplied from radio terminal 4. At this time, because a contact point of "C" is connected to "+", and a contact point of "D" is connected to "-", an antenna […]


1993 Toyota Pickup Air Conditioning Electrical System Wiring

The 1993 Toyota Pickup air conditioning electrical system consists of battery, ignition switch, heater relay, blower switch, heater, blower motor, low pressure switch, A/C switch, A/C amplifier, thermistor, and magnetic clutch. The following figure illustrates the 1993 Toyota Pickup Air Conditioning Electrical System Wiring. Compressor draws off gaseous refrigerant from the evaporator and compresses it. […]


Lexus IS200 ECU-EFI Power Source Circuit and Wiring Diagram

Lexus IS200 ECU-EFI Power Source Circuit and Wiring Diagram. When the ignition switch is turned ON, battery positive voltage is applied to terminal IGSW of the engine ECU and the EFI main relay (Marking: EFI) control circuit in the engine ECU sends a signal to the terminal MREL of the engine ECU switching on the […]


Datsun 280Z Body Electrical Wiring Harness

Datsun 280Z cable used for body electrical wiring are low tension cables. They are covered with color-coded vinyl for easy identification. Each system (e.g. ignition, lighting, or signal system) has its own distinctive color. The entire wiring system consists of several harness connected one to another by means of connectors. These include the engine room […]


Suzuki 4×4 SJ413 Alternator and Charging System Circuit

Suzuki 4×4 SJ413 alternator and charging system is the IC integral regulator charging system which consist of: 1 Alternator with regulator assembly 2 IC regulator 3 Stator coil 4 Diode 5 Neutral point diode 6 Field coil (rotor coil) 7 Charge indicator light 8 Battery The Suzuki 4×4 SJ413 alternator features a solid state regulator […]


Yamaha Virago XV920J Ignition System Circuit

Yamaha Virago XV920J Ignition System models are equipped with a fully transistorized ignition system. This solid state system, unlike breaker point systems, provides a longer life for components and delivers a more efficient spark throughout the entire speed range of the engine. Ignition timing and advance are maintained without adjustment. When the crankshaft-driven reluctor passes […]


Mitsubishi Montero Active Trac 4WD System Wiring

The Mitsubishi Montero Active Trac 4WD System is made up of a transfer case equipped with a viscous coupling and center differential, and an auto-freewheel front differential. It is controlled by electronics and vacuum. The transfer case for the manual transmission has 5-position shift pattern. The transfer case has five electric switches. These switches signal […]