HEAVY TRUCK ELECTRICAL MICHIGAN
MECHANIC STUDY GUIDE 2024/2025
EXAM QUESTIONS AND ANSWERS
100% PASS
THE BATTERY IS CONTINUOUSLY OVERCHARGED. WHAT WILL CAUSE THIS
PROBLEM? - 🧠ANSWER ✔✔A. A DEFECTIVE REGULATOR OR ALTERNATOR.
(CORRECT AWNSER)
B. A WORN OR DAMAGED BATTERY.
C. A GROUNDED INDICATOR LIGHT.
D. ALL OF THE ABOVE.
TO CHECK RESISTANCE IN THE STARTER CIRCUIT, YOU WOULD CONNECT THE
NEGATIVE LEAD OF THE VOLT METER TO THE NEGATIVE POST OF THE BATTERY
AND THE POSITIVE LEAD OF THE VOLT METER TO: - 🧠ANSWER ✔✔A. THE
STARTER FRAME. (POSSIBLE CORRECT AWNSER)
B. THE STARTER RELAY TERMINAL. (NOT CORRECT AWNSER)
C. THE BATTERY TERMINAL ON THE SOLENOID. (NOT CORRECT AWNSER)
D. THE POSITIVE POST OF THE BATTERY.
Page 1 of 17
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,REFER TO THE WINDSHIELD WIPER CIRCUIT IN THE IMAGE. BOTH HIGH AND
LOW SPEEDS WORK OKAY. THE WIPERS DO NOT PARK PROPERLY BUT STOP AS
SOON AS THE DASH SWITCH IS OFF. THIS IS LIKELY DUE TO: - 🧠ANSWER ✔✔A.
AN OPEN CIRCUIT AT POINT A.
B. AN OPEN CIRCUIT AT POINT B.
C. A SHORT CIRCUIT TO GROUND AT POINT C. (NOT CORRECT AWNSER)
D. A BAD GROUND AT THE DASH SWITCH D. (NOT CORRECT AWNSER)
WITH A SEVEN WIRE ELECTRICAL CONNECTION, THE WHITE WIRE WILL MOST
LIKELY BE FOR THE: - 🧠ANSWER ✔✔A. BRAKE LIGHT CIRCUIT.
B. TAILLIGHT CIRCUIT.
C. TURN SIGNAL CIRCUIT. (NOT CORRECT AWNSER)
D. GROUND CIRCUIT. (CORRECT AWNSER)
MAXIMUM ALTERNATOR AMPERAGE IS LIMITED BY: - 🧠ANSWER ✔✔A. THE
DESIGN AND SIZE OF THE FIELD AND STATOR COILS. (POSSIBLE CORRECT
AWNSER)
B. THE SIZE OF THE DIODES.
C. THE TYPE OF IGNITION SYSTEM AND STARTER USED.
D. THE VOLTAGE REGULATOR. (NOT CORRECT AWNSER)
Page 2 of 17
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, A FULLY CHARGED BATTERY CELL PRODUCES APPROXIMATELY HOW MANY
VOLTS? - 🧠ANSWER ✔✔A. 1.
B. 2. (CORRECT AWNSER)
C. 4.
D. 3.
EVERY FEW DAYS A BATTERY GOES "DEAD". A CURRENT DRAW IS SUSPECTED.
WHAT SHOULD YOU DO TO VERIFY THE PROBLEM? - 🧠ANSWER ✔✔A. HOOK UP
AN AMMETER IN SERIES WITH THE BATTERY GROUND CABLE. (CORRECT
AWNSER)
B. HOOK UP A VOLTMETER IN SERIES WITH THE BATTERY GROUND CABLE.
C. HOOK UP AN OHMMETER IN SERIES WITH THE BATTERY GROUND CABLE.
D. HOOK UP A VOLTMETER AT THE POSITIVE TERMINAL OF THE BATTERY AND
THE BATTERY TERMINAL ON THE STARTER SOLENOID.
REFER TO THE WINDSHIELD WIPER CIRCUIT IN THE IMAGE. THE WIPERS DO NOT
RUN AT ALL ON EITHER SPEED. THIS PROBLEM COULD BE CAUSED BY: -
🧠ANSWER ✔✔A. A BAD GROUND AT THE DASH SWITCH D.
B. AN OPEN CIRCUIT AT POINT B. (NOT CORRECT AWNSER)
C. AN OPEN CIRCUIT AT POINT A. (NOT CORRECT AWNSER)
D. A SHORT CIRCUIT TO GROUND AT POINT C. (POSSIBLE CORRECT AWNSER)
Page 3 of 17
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
MECHANIC STUDY GUIDE 2024/2025
EXAM QUESTIONS AND ANSWERS
100% PASS
THE BATTERY IS CONTINUOUSLY OVERCHARGED. WHAT WILL CAUSE THIS
PROBLEM? - 🧠ANSWER ✔✔A. A DEFECTIVE REGULATOR OR ALTERNATOR.
(CORRECT AWNSER)
B. A WORN OR DAMAGED BATTERY.
C. A GROUNDED INDICATOR LIGHT.
D. ALL OF THE ABOVE.
TO CHECK RESISTANCE IN THE STARTER CIRCUIT, YOU WOULD CONNECT THE
NEGATIVE LEAD OF THE VOLT METER TO THE NEGATIVE POST OF THE BATTERY
AND THE POSITIVE LEAD OF THE VOLT METER TO: - 🧠ANSWER ✔✔A. THE
STARTER FRAME. (POSSIBLE CORRECT AWNSER)
B. THE STARTER RELAY TERMINAL. (NOT CORRECT AWNSER)
C. THE BATTERY TERMINAL ON THE SOLENOID. (NOT CORRECT AWNSER)
D. THE POSITIVE POST OF THE BATTERY.
Page 1 of 17
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,REFER TO THE WINDSHIELD WIPER CIRCUIT IN THE IMAGE. BOTH HIGH AND
LOW SPEEDS WORK OKAY. THE WIPERS DO NOT PARK PROPERLY BUT STOP AS
SOON AS THE DASH SWITCH IS OFF. THIS IS LIKELY DUE TO: - 🧠ANSWER ✔✔A.
AN OPEN CIRCUIT AT POINT A.
B. AN OPEN CIRCUIT AT POINT B.
C. A SHORT CIRCUIT TO GROUND AT POINT C. (NOT CORRECT AWNSER)
D. A BAD GROUND AT THE DASH SWITCH D. (NOT CORRECT AWNSER)
WITH A SEVEN WIRE ELECTRICAL CONNECTION, THE WHITE WIRE WILL MOST
LIKELY BE FOR THE: - 🧠ANSWER ✔✔A. BRAKE LIGHT CIRCUIT.
B. TAILLIGHT CIRCUIT.
C. TURN SIGNAL CIRCUIT. (NOT CORRECT AWNSER)
D. GROUND CIRCUIT. (CORRECT AWNSER)
MAXIMUM ALTERNATOR AMPERAGE IS LIMITED BY: - 🧠ANSWER ✔✔A. THE
DESIGN AND SIZE OF THE FIELD AND STATOR COILS. (POSSIBLE CORRECT
AWNSER)
B. THE SIZE OF THE DIODES.
C. THE TYPE OF IGNITION SYSTEM AND STARTER USED.
D. THE VOLTAGE REGULATOR. (NOT CORRECT AWNSER)
Page 2 of 17
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, A FULLY CHARGED BATTERY CELL PRODUCES APPROXIMATELY HOW MANY
VOLTS? - 🧠ANSWER ✔✔A. 1.
B. 2. (CORRECT AWNSER)
C. 4.
D. 3.
EVERY FEW DAYS A BATTERY GOES "DEAD". A CURRENT DRAW IS SUSPECTED.
WHAT SHOULD YOU DO TO VERIFY THE PROBLEM? - 🧠ANSWER ✔✔A. HOOK UP
AN AMMETER IN SERIES WITH THE BATTERY GROUND CABLE. (CORRECT
AWNSER)
B. HOOK UP A VOLTMETER IN SERIES WITH THE BATTERY GROUND CABLE.
C. HOOK UP AN OHMMETER IN SERIES WITH THE BATTERY GROUND CABLE.
D. HOOK UP A VOLTMETER AT THE POSITIVE TERMINAL OF THE BATTERY AND
THE BATTERY TERMINAL ON THE STARTER SOLENOID.
REFER TO THE WINDSHIELD WIPER CIRCUIT IN THE IMAGE. THE WIPERS DO NOT
RUN AT ALL ON EITHER SPEED. THIS PROBLEM COULD BE CAUSED BY: -
🧠ANSWER ✔✔A. A BAD GROUND AT THE DASH SWITCH D.
B. AN OPEN CIRCUIT AT POINT B. (NOT CORRECT AWNSER)
C. AN OPEN CIRCUIT AT POINT A. (NOT CORRECT AWNSER)
D. A SHORT CIRCUIT TO GROUND AT POINT C. (POSSIBLE CORRECT AWNSER)
Page 3 of 17
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
