MECP BASIC 2 EXAM 2025
QUESTIONS AND ANSWERS
The Alternator - ANSWER✔✔-While the engine is running in a combustion engine
vehicle, what is the primary source of power for the electrical system and any electrical
accessories?
Install a plastic or rubber grommet - ANSWER✔✔-what is the MECP recommended
practice for running high current wires through holes drilled in the metal parts of the
vehicle (such as a firewall)?
DC milliamps - ANSWER✔✔-When measuring parasitic (standby) current drain with a
DMM, which measurement scale is used?
Between the (-) negative battery post and the (-) negative of the amplifier -
ANSWER✔✔-When troubleshooting voltage drops on suspected bad grounds of
amplifiers measured under a load, a DMM shows voltage between points?
AC Volts - ANSWER✔✔-When measuring audio output level of an amplifier at the
speaker terminals, what setting should a DMM be set to measure?
,It will display the voltage reading, but with a negative (-) sign in front of it -
ANSWER✔✔-When the red and black test leads of a DMM are reversed in a DC
Voltage measurement, what will the screen display differently than when they are
connected normally?
Ohms - ANSWER✔✔-According to the MECP Basic Installation Technician Study
Guide, when measuring a low current (MUX) ignition circuit, what setting of the DMM
is used to determine the various values of each key switch position?
The jaw should face away from the connectors seam. - ANSWER✔✔-How should the
jaw of a crimp tool be positioned in reference to the seam of the crimp connector?
FALSE - ANSWER✔✔-For in vehicle measurements, test lights are recommended by
MECP because they always provide a measured, numeric value to the technician.
(TRUE or FALSE)
Identify, Isolate, Eliminate - ANSWER✔✔-what are the 3 MECP recommended steps to
troubleshooting noise problems?
DC Volts - ANSWER✔✔-testing for blown electrical system fuses in a vehicle fuse panel
should be done with which setting on the DMM?
Health - ANSWER✔✔-What does the blue section of the NFPA 704 Diamond represent
with respect to safety considerations?
, Illumination (Switched by the parking lights) - ANSWER✔✔-When a CEA standard
color code compliant wiring harness adapter has a solid orange wire (no stripes), what
does that wire represent?
Amplitude, Wavelength, Frequency, Period - ANSWER✔✔-Which of the parameter
groups listed accurately describes the components of sound wave?
After the amplifier, before the speaker. - ANSWER✔✔-Where are passive crossovers
intended to be placed in the audio signal path?
Height x Width x Depth (HxWxD) - ANSWER✔✔-What is the correct formula to
determine volume of a square or rectangle subwoofer enclosure?
FALSE - ANSWER✔✔-The gain control of an amplifier is the same thing as volume
control...(TRUE or FALSE).
18 - ANSWER✔✔-A fuse or circuit breaker should be placed on the power wire no more
than __________ inches from the batter or power source connection point?
8 Ohms - ANSWER✔✔-What is the nominal impedance of a Dual Voice Coil subwoofer
of each of its 4 ohm coils connected in a series?
FM transmitter (modulator) - ANSWER✔✔-Which one of the following methods is the
lowest quality of audio signal input for an AUX source input?
QUESTIONS AND ANSWERS
The Alternator - ANSWER✔✔-While the engine is running in a combustion engine
vehicle, what is the primary source of power for the electrical system and any electrical
accessories?
Install a plastic or rubber grommet - ANSWER✔✔-what is the MECP recommended
practice for running high current wires through holes drilled in the metal parts of the
vehicle (such as a firewall)?
DC milliamps - ANSWER✔✔-When measuring parasitic (standby) current drain with a
DMM, which measurement scale is used?
Between the (-) negative battery post and the (-) negative of the amplifier -
ANSWER✔✔-When troubleshooting voltage drops on suspected bad grounds of
amplifiers measured under a load, a DMM shows voltage between points?
AC Volts - ANSWER✔✔-When measuring audio output level of an amplifier at the
speaker terminals, what setting should a DMM be set to measure?
,It will display the voltage reading, but with a negative (-) sign in front of it -
ANSWER✔✔-When the red and black test leads of a DMM are reversed in a DC
Voltage measurement, what will the screen display differently than when they are
connected normally?
Ohms - ANSWER✔✔-According to the MECP Basic Installation Technician Study
Guide, when measuring a low current (MUX) ignition circuit, what setting of the DMM
is used to determine the various values of each key switch position?
The jaw should face away from the connectors seam. - ANSWER✔✔-How should the
jaw of a crimp tool be positioned in reference to the seam of the crimp connector?
FALSE - ANSWER✔✔-For in vehicle measurements, test lights are recommended by
MECP because they always provide a measured, numeric value to the technician.
(TRUE or FALSE)
Identify, Isolate, Eliminate - ANSWER✔✔-what are the 3 MECP recommended steps to
troubleshooting noise problems?
DC Volts - ANSWER✔✔-testing for blown electrical system fuses in a vehicle fuse panel
should be done with which setting on the DMM?
Health - ANSWER✔✔-What does the blue section of the NFPA 704 Diamond represent
with respect to safety considerations?
, Illumination (Switched by the parking lights) - ANSWER✔✔-When a CEA standard
color code compliant wiring harness adapter has a solid orange wire (no stripes), what
does that wire represent?
Amplitude, Wavelength, Frequency, Period - ANSWER✔✔-Which of the parameter
groups listed accurately describes the components of sound wave?
After the amplifier, before the speaker. - ANSWER✔✔-Where are passive crossovers
intended to be placed in the audio signal path?
Height x Width x Depth (HxWxD) - ANSWER✔✔-What is the correct formula to
determine volume of a square or rectangle subwoofer enclosure?
FALSE - ANSWER✔✔-The gain control of an amplifier is the same thing as volume
control...(TRUE or FALSE).
18 - ANSWER✔✔-A fuse or circuit breaker should be placed on the power wire no more
than __________ inches from the batter or power source connection point?
8 Ohms - ANSWER✔✔-What is the nominal impedance of a Dual Voice Coil subwoofer
of each of its 4 ohm coils connected in a series?
FM transmitter (modulator) - ANSWER✔✔-Which one of the following methods is the
lowest quality of audio signal input for an AUX source input?
