Deck 33: Lighting and Wiring Service

Question 1

Prior to the age of digital instrument panels, ____________________ lights, or instrument panel bulbs, are often very small bulbs that resemble small photographic flash bulbs.

Answer 1

Dash

Question 2

While having a discussion, Technician A says that the socket is usually the ground for most bulbs. Technician B says that if you short the tester between the hot wire and the light socket housing, a fuse will blow. Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Answer 2

C

Question 3

Which of the following statements is LEAST-Likely true?

A)Automotive fuses are rated according to voltage.
B)Occasional fuse failure can be due to a defective fuse.
C)You can replace a fuse or reset a circuit breaker, but this does not fix the problem that caused the overload.
D)A fuse failure might only occur one time, but it could also be caused by an existing electrical problem that must be fixed.

Answer 3

A

Question 4

All of the following statements are true EXCEPT:

A)copper wire is used in boat trailers instead of stainless steel because of its resistance to corrosion.
B)a soldering iron or a soldering gun is used for connections of wiring.
C)a crimp connector is used to join stainless steel wire because stainless is not solderable.
D)solder will not stick to another metal unless it is very clean and not corroded.

Question 5

The MOST-Likely reason for windshield washer problems is restrictions in the:

A)shift lever
B)washer nozzles
C)gauge
D)transmission mounted switch

Question 6

If a headlamp is being replaced because it is burned out, the replacement lamp will require readjustment.

Question 7

A(n) ____________________ is a current path that is unwanted.

Question 8

A ____ connector can be used to tap into a power wire without the need to strip or solder.

A)blade-type
B)butt
C)tap splice
D)flux

Question 9

A compass or ____ (a gauge that detects magnetism) can be used to locate the exact location of a ground when a wire has been accidentally pinched.

Question 10

The MOST-Likely cause of reduced current flow in a circuit is:

A)excessive resistance
B)flux
C)thinning wire
D)candlepower

Question 11

____________________ is used to clean metal so that solder will stick to it.

Question 12

The ____ can be adjusted by changing the spring tension on the armature.

A)signal flasher
B)bimetal strip
C)fuse link
D)horn

Question 13

When an aftermarket accessory is added to a vehicle, it is usually necessary to add a separate fused circuit.

Question 14

While having a discussion, Technician A says that crimp connectors are used in computer circuits. Technician B says that special weatherproof connectors are used to prevent corrosion. Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 15

Adding extra loads such as stereos, CB radios, or fog lights can tax a vehicle's charging system so that it may no longer be adequate.

Question 16

All of the following statements are true EXCEPT:

A)a fuse failure might only occur one time, but it could also be caused by an existing electrical problem that must be fixed.
B)occasional fuse failure can be due to a defective fuse.
C)fuses have a 10% overload factor to guard against minor power surges.
D)voltage will cause a fuse to blow.

Question 17

When a circuit has a break in its continuity, this is called a(n) ____________________.

Question 18

Which of the following is LEAST-Likely to be included in a backup light circuit?

A)Wiring
B)Switch mounted on the shift lever or transmission
C)Fuse
D)Armature

Question 19

Splicing is a professional method of repairing a connection.

Question 20

Vinyl heat-shrink tubing can be used to insulate a soldered wire splice and make it airtight.

Question 21

If the base of a bulb is round, how would you remove it from its socket?

Question 22

What precautions should you take before servicing a HID lamp?

Question 23

When using a soldering iron or gun, how would you prevent the occurrence of a cold solder connection?

Question 24

Under what conditions would a HID lamp require service?

Question 25

A broken ground strap can cause electricity to hunt for a different, easier path to ground. When this happens, strange part failures can occur. List four possible results.