Electrical equipment and devices of car Chevy Trailblazer 1

Car electrical equipment — general information
The electrical system with grounding of the negative pole of the battery has a voltage of 12 V. The power source is an acid battery, recharged from a...

Determining the causes of faults in electrical circuits — general information
A typical circuit consists of electrical devices, relay switches, fuse motors or inserts, as well as wiring and connectors that connect the elements, both to...

Fuses and inserts — general information
Circuit breakers The vehicle's electrical circuits are protected by fuses and circuit breakers (reverse current relay) and fusible inserts. The main fuse/relay...

Circuit breakers — general information and performance testing
Circuit breakers protect power circuits for devices such as power windows or power seats. Depending on your vehicle's configuration, your vehicle may have two...

Relay — general information and performance check
General information 1. In some electrical circuits, such as the injection system, horn, starter and fog lights, current is supplied to the components by...

Turn Signal/Hazard Light Circuit Breaker — Functional Test and Replacement
1. The direction indicators and hazard warning lights are controlled from a common electronic flashing light switch, which is installed on the left under the...

Multifunction switch located on the steering column — replacement
Warning: The vehicles described in this manual are equipped with a passive restraint system (SRS), also known as an air spring system. Before carrying out work...

Electronic parking lock switch — replacement
Warning: The vehicles described in this manual are equipped with a passive restraint system (SRS), also known as an air spring system. Before carrying out work...

Ignition switch and cylinder — replacement
Warning: The vehicles described in this manual are equipped with a passive restraint system (SRS), also known as an air spring system. Before carrying out work...

Switches located on the instrument panel — replacement
Warning: The vehicles described in this manual are equipped with a passive restraint system (SRS), also known as an air spring system. Before carrying out work...

Instrument panel — removal and installation
Warning: The vehicles described in this manual are equipped with a passive restraint system (SRS), also known as an air spring system. Before carrying out work...

Car radio and speakers — removal and installation
Warning: The vehicles described in this manual are equipped with a passive restraint system (SRS), also known as an air spring system. Before carrying out work...

Antenna — removal and installation
1. Using a small open-end wrench, unscrew the antenna mast (see illustration). Be extremely careful - the key may slip and scratch the car body. To protect the...

Headlight bulbs — replacement
Warning: The halogen gas in the lamps is under high pressure. If the surface of the bulb is damaged or dropped, the lamp may explode. Wear safety glasses when...

Main and fog lights — adjustment
Warning: The headlights must be adjusted correctly. Incorrectly adjusted headlights can blind the driver of an oncoming car or significantly limit visibility...

Headlight housing — removal and installation
1. Open the hood. When performing the procedure on a Chevrolet vehicle, it is necessary to remove the radiator grille ( see chapter 11 ). 2. Pull out the...

Replacing lamps
Warning: Lamps may remain hot for 20 minutes after being turned off. Before exposure, ensure that the lamp is turned off and that it has cooled down. Fog lamps...

Windshield wiper motor performance check and replacement
Wiper Motor Circuit Examination Note: During the following checks, you must refer to the appropriate electrical diagrams, checking the color identification of...

Beep — replacement
1. Remove the cover of the left (located on the driver's side) headlights ( see subsection 16 ). 2. Disconnect the vent hose from the battery tray. 3....

Lighting that turns on during daylight hours (DRL) — general information
Daytime lighting system (DRL) ensures automatic switching on of low beam headlights when the engine starts. The headlights go out when the engine is running...

Rear window heater — performance check and repair
1. The rear window defogger consists of multiple horizontal heating elements fused onto the glass surface. Power supply is provided through a large fuse...

System for maintaining a given speed — description and performance check
1. System «Cruise control» ensures that the vehicle maintains a given speed. The system elements are an electronic control unit (RSM), servomotor, brake pedal...

Electric windows — description and performance check
1. Electric windows are designed to lower and raise window glass driven by electric motors installed in the door cavities. The elements of the system are...

Electric door locks and keyless entry system — description and performance test
1. Each door has electric locks. The system consists of switches, electric drives, body equipment control unit (HSR) and wiring. As a rule, system diagnostics...

Electric side mirrors — description
1. Electric rear view mirrors have two electric motors to adjust the position in two planes (up-down and left-right). 2. The switch has a distributor that...

Power seats — description
1. The electric drive allows you to adjust the position of the seats without any effort. These models feature power seats that can be adjusted in six...

Data exchange system — description
1. The described vehicles have a complex electrical system, which includes many devices - energy consumers and several separate electronic units. 2. The main...

Airbag system — general information
1. All models described in this manual are equipped with an additional passive restraint system (SRS), also known as an airbag system. The purpose of the...