(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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a metal fastener used to secure other fasteners, such as nuts or bolts, and prevent them from loosening due to vibration.
cotter pin
Common return path for electrical current; typically connected to the vehicle chassis.
ground
Electromagnetic switch that moves a plunger or contacts (used in starters).
solenoid
The relationship between voltage, current, and resistance: V = I × R
Ohm’s Law
Controls alternator output voltage.
regulator
a reversing switch that keeps the motor turning smoothly by flipping the current direction at just the right time.
commutator
Stable voltage (usually 5V) supplied by an ECU to a sensor.
reference voltage
the stationary coil of wire inside the alternator
stator
Electrically operated switch used to control high-current circuits with low current.
relay
Unit of electrical power; Power = Voltage × Current.
watt (W)
Unintended path of low resistance causing excessive current flow.
short circuit
Unwanted electrical drain from the battery when the vehicle is off.
parasitic draw
Opposition to current flow, measured in ohms (Ω)
resistance (R)
A complete path with no open circuits; verified with a meter.
continuity
Device that joins electrical wires or components together.
connector
Generates electrical current while the engine runs; charges the battery.
alternator
Components connected end-to-end; same current flows through all.
series circuit
Stores electrical energy in chemical form; provides voltage to the system.
battery
A break or interruption in the circuit preventing current flow.
open circuit
The flow of electrons through a conductor, measured in amperes (amps).
current (I)
Check to see if a circuit path is complete.
continuity test
Protective device that melts to open the circuit when current is too high.
fuse
Bundle of electrical wires in protective covering.
harness
an electronic testing instrument that graphically displays electrical signals as a waveform on a screen, showing how voltage changes over time.
oscilloscope
Converts AC current to DC current inside the alternator.
rectifier diode
Tool used to measure voltage, resistance, and current.
Multimeter (DVOM)
Connection point for wiring or components.
terminal
Diagnostic code stored by the vehicle’s control module when a fault occurs.
trouble code (DTC)
Any component that uses electrical energy (bulb, motor, heater, etc.).
load
A complete path for current to flow.
circuit
Manually operated device that opens or closes a circuit.
switch
Component that limits or controls current flow.
resistor
Electrical pressure or potential difference that pushes current through a circuit.
voltage (V)
Unit used to measure electrical current flow.
ampere (Amp)
Components connected across the same voltage; current divides among branches.
parallel circuit
