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Wires & Wire Diagrams

1. Two technicians are discussing a wire harness construction: Technician A says that connector #1 is the male connector because the while plastic connector fits inside the connector #2. Technician B says that connector number #2 is the male connector because it has male terminal pins inside. Who is correct?

technician A only.
technician B only.
both technician A and B.
neither technician A nor B.

 

2. In the GM picture shown below the "170" represents:

the circuit number.
the wire size.
a splice location.
the wire color.

 

3. In the GM picture shown above in question 2, What does the letter A represents the:

connector ID.
fuse amperage rating.
pin location inside the connector.
splice ID.

 

4. The Toyota wiring diagram symbol below indicates a:

body splice #4.
component connector #BY1.
wire to wire connector #BY1.
body ground #BY1

 

5. Terminals designed to be fitted together and used in matching pairs are designated as:

terminal and connector.
terminal and lug.
male and female.

polarized and non-polarized.

 

6. Wiring harness connectors:

cannot be located in the power source diagrams.
make good test points.
are used to control current flow.
should never be opened up.

 

7. The following two symbols represent which two devices?

Fixed resistor and lamp.
Variable resistor and lamp.
Lamp and motor.
Switch and relay.

 

8. This is the electrical symbol for a:

AND Gate.
OR Gate.
NAND Gate.
IC JPET Transistor.

 

9. This is the electrical symbol for:

Resistor.
Diode.
Transistor.
Digital clock.

 

10. The code "B-R" next to a wire tells you the wire is:

Brown with a red stripe.
Black with a red stripe.
Blue with a red stripe.
Brake light harness, right side.

 

11. Technician A says two connectors with the same number are physically the same connector. Technician B says the two connectors are drawn apart so that the drawing is easier to read. Who is correct?

A only.
B only.
both A and B.
neither A nor B.

 

12. The number outside the Toyota symbol shown below, indicates the:

Connector number.
Fuse amperage rating.
Number of pins in the connector.
Pin number used in the circuit.

 

13. When this light control switch is turned to the "HEAD" position, a circuit is completed between:

Pin 4 and pin 3 only.
Pin 10 and pin 3 only.
Pin 10 , pin 4, and pin 3 only.
Pin 12, pin 13, pin 5, and pin 4 only.

 

14. An electrical circuit has a large voltage drop before the load. Technician A says a loose terminal connection could be the cause. Technician B says that broken strands in the cable could be the cause. Who is correct?

Technician A only.
Technician B only.
both Technician A and Technician B.
neither Technician A nor Technician B.

 

15. In the Toyota wiring diagram shown below, the "B" in the splice code indicates the splice is:

in the brake section.
Battery powered.
In the body.
In a junction block

 

16. The letters inside the connector shows: 

circuit representation, such as Rear Brakes or Back Pressure.
wire color.
component wiring, such as Brake Lighting, Brakes.
which body common connector is attached.

 

17. In the GM diagram below the "C301" represents:

circuit breaker number 301.
circuit number 301.
connector number 301.
wire circumference (diameter/size).

 

18. Referring to the picture above in question 17, what does the P500 represent:

wire color.
circuit number.
rubber grommet location.
parking brake circuit.

 

19. The letters inside the GM connector shown below indicates the: 

circuit number.
pin number.
splice location.
wire color.

 

20. Wire routings as shown below are ideal for:

information on disassembly.
obtaining voltage specification.
understanding how the circuit works.
finding a connector Location.

 

  21. Two technicians are discussing the GM diagram component shown below: Technician A says the letters next to each wire identifies the wire color and that the letter "O" refers to the color orange. Technician B says the dotted line between the two switches indicates that both switches move together. Who is correct?

technician A only.
technician B only.
both technician A and B.
neither technician A nor B.

 

22. Two technicians are discussing the GM diagram component shown below: Technician A says that the "A" inside the upside down triangle indicates that circuit continues on the next page at triangle "A". Technician A says the S221 refers to starter circuit 221. Who is correct?

technician A only.
technician B only.
both technician A and B.
neither technician A nor B.

 

  23. Referring to the GM diagram component above in question 22, what does the "2 YEL" represent:

connector pin number and circuit number.
circuit number and wire color.
connector pin number and wire color.
wire size and color.

 

 

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