Wiring Schematics And Circuit Testing

Question 1

On a wiring diagram, S110 with a “.8 BRN/BLK” means _______.

Answer 1

Splice of a brown with black stripe, wire size is 0.8 mm² (18gauge AWG)

Question 2

Where is connector C250 located?

Answer 2

Under the dash

Question 3

I’ll switch is illustrated and schematics are _____.

Answer 3

Shown in their normal position

Question 4

When testing a relay using an ohmmeter, which two terminals should be touched to measure the coil resistance?

Answer 4

86 and 85

Question 5

Technician A says that a good Leroy should measure between 60 and 100 ohms across the coil terminals. Technician B says that 0L should be displayed on an ohmmeter when touching terminals 30 and 87. Technician is correct?

Answer 5

Both

Question 6

Which relay terminal is the normally close terminal?

Answer 6

87a

Question 7

Technician A says that there is often more than one circuit being protected by each fuse. Technician B says that more than one circuit often shares a single ground connector. Which technician is correct?

Answer 7

Both

Question 8

Two technicians are discussing finding a short to ground using a test light. Technician A says that the test light, connected in place of the fuse, will light when the circuit that has the short is disconnected. Technician B says that the test light should be connected to the positive and negative terminals on the battery during this test. Who is correct?

Answer 8

Neither

Question 9

A short circuit can be located using a ______.

Answer 9

Test light
Gauss gauge
Tone generator

Question 10

For an electrical device to operate, it must have ______.

Answer 10

Power and ground