Wiring diagram ZIL 131: color with description

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30.11.2020

One of the convenient, practical and durable Russian-made vehicles of the last century is the ZIL-131 cargo truck. The cars were manufactured at the Moscow Automobile Plant named after I.A. Likhachev since 1966 and were intended for use in the Soviet army, later used in agriculture, for transporting goods, etc.

Full operation of the truck is ensured by proper and working electrics. To troubleshoot the system, configure the operation of light sensors, turns, sound signals, fast ignition and other structural elements and components, you need to know how the wiring on the ZIL 131 is arranged.

We have prepared a color wiring diagram for the ZIL-131 with a detailed description of each component part. Knowing all the nuances and components, you will be able to carry out replacements, repairs, and installations related to electrical wiring yourself.

Machine Features

The truck is characterized by high wear resistance, strength, and reliability, but, nevertheless, these performance characteristics did not prevent the plant from producing three more modifications of vehicles with diesel and carburetor engines, as well as wiring for household work.

The Zil-131 truck has a non-contact ignition system, it is also supplemented with an electrical switch. This part is characterized by a minimum number of electronic components, guaranteeing the machine long-term use, wear resistance, safety and performance at different temperatures, humidity, etc. Transport actively uses shielded sealed wiring, which allows operation in difficult conditions and bad weather.

Further development of the series

For almost 20 years the car was produced unchanged. And only in 1986, a deep modernization of its platform began, caused by the need to improve its tactical and technical characteristics.

ZIL was supplied to the army and civilian organizations with:

• with a carburetor engine under the symbol ZIL 131N (modernized version);
• with diesel power unit ZIL 131N1 and N2 (of different power);
• in the civilian version - ZIL 131A in the photo below (the wiring was installed unshielded).

Off-road is also no problem for the civilian version.

Malfunctions and failures of electrical systems

Electrical equipment of the ZIL-131 can fail and cause problems in individual components of the system. Signs of a breakdown may include:

• Generator – interruptions, fluctuations or lack of regular charging current;
• Starter - does not start, extraneous sounds are heard during operation, does not turn off on time;
• Battery – a rapid drop in charge; when charging, the density increases, the level decreases, electrolyte leaks, etc.;
• Ignition systems – no spark, broken high voltage cable, broken contacts.

The cause of breakdown and failure of the electrical circuit of the Russian ZIL-131 truck can be either physical contact or:

• Broken power supplies;
• Damage or lack of contacts, violation of the integrity of the wires carrying current to the working elements;
• Damaged insulation;
• Lack of necessary nutrition, etc.

To quickly fix a problem, it is enough to replace the damaged area or connect broken ends. The connection should be thoroughly cleaned, connected tightly and tightly wrapped with electrical tape.

ELECTRICAL EQUIPMENT OF THE ZIL-131N CAR

The vehicle's electrical system is single-wire with a rated voltage of 12 V; the negative terminals of the current sources are connected to the body (ground) of the car. The electrical circuit diagram is shown in Fig. 79 (see tab).

Electrical diagram of the ZIL-131NA car

content .. 41 42 49 ..

How to fix the problem

To find a damaged area, part of a break or a non-working element, you need to do external diagnostics and look at the wire, small cross-section, break, insulation. Low voltage cables can be soldered, insulated, connected. Cables with a high voltage rating cannot be repaired and require replacement with new ones. If an external inspection does not give the expected result, a voltmeter or test light is used.

The color ZIL-131 electrical diagram presented above with a description of all components will help you find a breakdown, find out the cause of its occurrence and quickly fix it yourself (if possible) or replace it.

Starter technical specifications

Rated voltage, V 12

Rated power, kW (hp) 1.8 (2.4)

No-load current, A, no more than 90

Current strength at braking torque 22.05 N.m (2.20 kgf.m)‚ A, no more than 700

Switching voltage of the relay on the 14.5 mm gasket installed between the gear and the thrust ring, V, no more. 9

Brush spring force, N (kgf) 9.8…13.7 (0.98…1.37)

Armature rotation frequency, min-1 3400