What to look for when replacing an automotive wiring harness!

With the development of science and technology more and more wiring harness factory produces high-tech products that are used in everyone's life. For example, wiring harness tester. On the more complex car harness circuit, if the presentation of shortcomings, with manual judgment is very difficult to find shortcomings in what place, if the use of car harness tester, then it can be very good to deal with these problems. The following is an introduction to the replacement of automotive wiring harnesses to pay attention to the problem.

-First, the appearance of the check 1, the new car harness type should be common with the type of the original model, wire terminals and wire connection is secure, can be pulled by hand to pull the plug and wire with or without loose, fall off and other phenomena. 2, will be the new car harness and the original car harness comparison, such as: car harness standards, wire terminal connectors, wire color should be common. On the questionable places, you can use the harness tester to test, recognize the car harness intact in the future, before replacement. Second, the car harness installation will be a car equipment plug connector, plugs, sockets and car wiring harness on the socket, plug corresponding. The connection wire and electrical equipment connection, to leave a certain margin, the wire can not be pulled too tight or put too loose. Third, the line check and connect the experiment 1, line check: car harness replacement is completed, the primary need to check the car harness plug and electrical equipment connection is correct, the battery positive and negative is connected correctly. 2, power experiment: the battery hitch line can be temporarily not connected, with a 12V, 20W or so of the bulb to do the test light, the test light will be strung in the negative terminal of the battery and the frame hitch end between, closed all the electrical equipment switch. Close the car all electrical equipment switch. Normal test light should not be bright, otherwise marked with circuit shortcomings. When the circuit is normal, remove the light bulb, with a capacity of 30A fuse, connected in series between the negative terminal of the battery and the frame hitch, do not start the engine, one by one, turn on the car's electrical equipment power supply, electrical equipment and line inspection, in recognition of the electrical equipment and the line has no shortcomings, take off the fuse, connected to the battery hitch line.

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