Truck Electrical Circuit Service Flashcards
all electrical schematics are drawn in the
de energized position and the electrical components are drawn in the normal position
the lighting circuits in most trucks will be
in parallel
the troubleshooting process of finding specifically where the fault is located is called
isolating the electrical fault
what is a quick way to accurately pinpoint the circuit fault location
using the four point test procedure
when connecting the DDM into the truck system what should you NEVER do
pierce the insulation of the conductor
when splicing multi strand wire how much insulation should be striped before joining
3/4” or 20 mm
what method is used to connect two wires of different gauges
crimp splice using splice clip
when using crimp and seal sleeves how much insulation should be removed
5/16 “ from each wire
why is it important to follow troubleshooting flow charts or troubleshooting trees
many component warranty claims require you to completely follow and complete a troubleshooting tree
never splice into Yellow covering wires because
they are typically used in the SRS components and could cause accidental discharge of the SRS system
why must you wear rubber gloves and eye glasses when handling a deployed air bag
to prevent sodium hydroxide or metallic sodium from coming into contact with your skin and eyes