Truck Electrical Circuit Service Flashcards

1
Q

all electrical schematics are drawn in the

A

de energized position and the electrical components are drawn in the normal position

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2
Q

the lighting circuits in most trucks will be

A

in parallel

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3
Q

the troubleshooting process of finding specifically where the fault is located is called

A

isolating the electrical fault

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4
Q

what is a quick way to accurately pinpoint the circuit fault location

A

using the four point test procedure

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5
Q

when connecting the DDM into the truck system what should you NEVER do

A

pierce the insulation of the conductor

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6
Q

when splicing multi strand wire how much insulation should be striped before joining

A

3/4” or 20 mm

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7
Q

what method is used to connect two wires of different gauges

A

crimp splice using splice clip

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8
Q

when using crimp and seal sleeves how much insulation should be removed

A

5/16 “ from each wire

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9
Q

why is it important to follow troubleshooting flow charts or troubleshooting trees

A

many component warranty claims require you to completely follow and complete a troubleshooting tree

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10
Q

never splice into Yellow covering wires because

A

they are typically used in the SRS components and could cause accidental discharge of the SRS system

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11
Q

why must you wear rubber gloves and eye glasses when handling a deployed air bag

A

to prevent sodium hydroxide or metallic sodium from coming into contact with your skin and eyes

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