6 pin 936394-2 Waterproof Electrical Accelerator Pedal Sensor Wiring Plug 3.5 Series

1.4.5 Lighting system wiring law

The car lighting system is generally composed of front lights, wide lights (position lights), taillights (rear light lights), license plate lights, instrument lights, indoor lights, etc. , Control with a light -changing switch. The lighting light is controlled by the light switch: the light switch is interrupted at the 0 gear, and the 1st gear is turned on (including lighting lights, taillights, instrument lights, licensed lights), 2 gears are front lights and small lights are on at the same time. The current of the lighting system comes from the positive electrode of the battery, and is not controlled by the ignition switch (because the front light is large, the light relay is often used to control the interruption, and the 2 transmission of the switch is used to control the relay coil). The overtaking light signal is often expressed in the high beam lighting. It does not pass the light switch when issuing this signal, which is a short -term connection button. The lighting system of modern cars is commonly controlled by combined switches. The combination switch is mostly installed on the steering column and is located on the lower side of the steering wheel. The driver's hand may not leave the steering wheel (Figure 1-4-9) during operation.

Audi A6L lighting system circuit

Car light switch, vehicle power grid control unit; E1 -car light switch; E20 -switch and instrument lighting regulator; E314 -rear fog light button; E315 -rear fog light button; E680 -night vision system button; J519 — vehicle power grid control Unit; K4 -Parking lights of the parking light; K13 -rear fog light indicator; K17 — front fog light indicator; L9 -headlight switch light bulb; ST2 — insurance wire frame 2; SC8 -fuse 8; T4AF -4 core insertion connection; T32C -32 core plug connection; 45 — the grounding site behind the instrument panel of the central part; 199 — ground connection 3, in the dashboard wire beam;

1.4.6 Instrument alarm system wiring law

① All electrical instruments are controlled by ignition switch.

② The header of each instrument is connected in series with its sensor, and the fuel gauge and water temperature meter generally also connect the instrument regulator .

③ The current meter is connected between the positive electrode of the generator and the battery positive electrode. The charging current of the generator goes in from the positive electrode of the current meter, and the pointer is biased towards the positive end. When the battery is discharged outward, the pointer is biased towards the negative end. The following two currents do not pass the current meter: the load current exceeding the range of the current meter, such as motivation, preheating plugs, and speaker lights; Note: When the generator does not work, the current of the battery supply to other load power supply must be a current meter. Modern vehicles are used for charging only to replace the current meter. The disadvantage is that it is not easy to find that the charging current is not known.

④ After the voltage table is connected to the ignition switch, the system voltage is displayed only when the ignition switch is turned on. 12V systems often use 10V to 18V and 24V systems often use 20-36V voltage tables.

⑤ The indicator lights and alarm lights are often assembled in a assembly or are arranged nearby. They are controlled by the work gear (on) and startup (ST) of the ignition switch with the instrument. In the ON gear, it should be able to check whether most instruments, indicators, and alarm lights should be good. The indicator lights and alarm lights can be divided into two types according to the circuit connection method: one is a light bulb to connect the fire switch fire line, the external sensing switch, the switch is turned on with the iron, the lights are on Lights, brake liquid alarm lights, door -not -off alarm lights, oil pressure alarm lights, low alarm lights, etc.; Another way of connection is the ground end of the light bulb, the control signal comes from other switches, such as the high beam indicator light indicator , Turn on the indicator, the seat belt is not the indicator light, the anti -hug braking indicator (ABS), the cruise control indicator light, etc.

⑥ The dual -metal sheet electric heating structure is commonly used in automotive instruments, and the head is generally only 2 lines. For example, the two eternal columns of the fuel indicator table are arranged up and down. Generally, the upper wiring column should be connected to the power cord, and the lower wiring column should be connected to the sensor, otherwise it will not work properly. In addition, there is a double coil cross, and there is a instrument with a magnetic pointer in the middle, which are mostly led to 3 lines. One of them connects the ignition switch, the other line is ironed, and there is a wire connecting sensor. The mechanical instrument does not connect to the circuit, such as the speed meter of the soft shaft transmission, the direct -action bending tube spring brake gas pressure meter, the oil pressure meter, and the e -ether expanded water thermometer, the oil thermometer, etc. These instrument reads high accuracy, but to introduce many pipelines and soft shafts to enter the instrument panel, disassembling trouble, and even easy leakage, is gradually being replaced by electronic control instruments.

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