Symbols 01

Question 1

Answer 1

Battery

Question 2

Answer 2

Only part of component shown

Question 3

Answer 3

Whole component shown

Question 4

Answer 4

Bulb double filament

Question 5

Answer 5

Bulb single filament

Question 6

Answer 6

Condenser

Question 7

Answer 7

Dashed line = these wires are part of the same connector

Question 8

Answer 8

Connector connects directly to component

Question 9

Answer 9

Connector connects to a lead that is wired to the component

Question 10

Answer 10

Connector name

Question 11

Answer 11

Power connector

Question 12

Answer 12

Connector terminal location (aka prong or wire location)

Question 13

Answer 13

Current path continued elsewhere - follow instructions to separate diagram or different location in same diagram. Find the triangle with the same letter in it.

Question 14

Answer 14

Different wiring for different models - follow the correct path for your model

Question 15

Answer 15

LED Diode

Question 16

Answer 16

Zener Diode. Like a diode allows current to flow in one direction only UNTIL a certain voltage is reached at which point the direction of flow reverses.

Question 17

Answer 17

Diode - a semiconductor that allows current to flow in only one direction

Question 18

Answer 18

Slow blow fuse

Question 19

Answer 19

Fuse

Question 20

Answer 20

Component housing is connected (grounded) directly to a metal part of the vehicle

Question 21

Answer 21

End of wire is connected (grounded) to a metal part of the vehicle

Question 22

Answer 22

Heater

Question 23

(5 things)

Answer 23

Horn, buzzer, siren, chime, bell

Question 24

Answer 24

Power supplied at all times, regardless of whether ignition on

Question 25

Answer 25

Power supplied only when ignition on

Question 26

Answer 26

Injector

Question 27

Answer 27

Joint connector - shows how wires inside connector join

Question 28

Answer 28

Motor

Question 29

Answer 29

Diode interior relay

Question 30

Answer 30

Resistance interior relay

Question 31

Answer 31

Relay with no current moving through the coil

Question 32

Answer 32

Relay contact is normally open - will close when current runs through coil

Question 33

Answer 33

Screw terminal on component

Question 34

Answer 34

Sender

Question 35

Answer 35

Sensor

Question 36

Answer 36

RFI (Radio Frequency Interference) shielded wire - shielding will always be connected to ground

Question 37

Answer 37

Solenoid

Question 38

Answer 38

Speaker

Question 39

Answer 39

Splice

Question 40

Answer 40

Switch (with one contact point)

Question 41

Answer 41

Switches are connected mechanically and will move together

Question 42

Answer 42

Transistor, Negative - Positive - Negative type

Question 43

Answer 43

Transistor, Positive - Negative - Positive type

Question 44

Answer 44

Wire connects to another circuit

Question 45

Answer 45

Wire insulation is yellow with a red stripe

Question 46

Answer 46

Wire is broken but is to be continued