HEAVY TRUCK ELECTRICAL MICHIGAN
MECHANIC STUDY GUIDE 2025/2026
EXAM QUESTIONS AND ANSWERS |
100% PASS
THE BATTERY IS CONTINUOUSLY OVERCHARGED. WHAT WILL
CAUSE THIS PROBLEM? - 🧠 ANSWER ✔✔A DEFECTIVE REGULATOR
OR ALTERNATOR
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 ✔✔THE STARTER FRAME
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.
1
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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 ✔✔GROUND CIRCUIT
MAXIMUM ALTERNATOR AMPERAGE IS LIMITED BY: - 🧠 ANSWER
✔✔THE DESIGN AND SIZE OF THE FIELD AND STATOR COILS
A FULLY CHARGED BATTERY CELL PRODUCES APPROXIMATELY
HOW MANY VOLTS? - 🧠 ANSWER ✔✔2
EVERY FEW DAYS A BATTERY GOES "DEAD". A CURRENT DRAW IS
SUSPECTED. WHAT SHOULD YOU DO TO VERIFY THE PROBLEM? - 🧠
ANSWER ✔✔HOOK UP AN AMMETER IN SERIES WITH THE BATTERY
GROUND CABLE
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 SHORT CIRCUIT TO
GROUND AT POINT C
2
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
MECHANIC STUDY GUIDE 2025/2026
EXAM QUESTIONS AND ANSWERS |
100% PASS
THE BATTERY IS CONTINUOUSLY OVERCHARGED. WHAT WILL
CAUSE THIS PROBLEM? - 🧠 ANSWER ✔✔A DEFECTIVE REGULATOR
OR ALTERNATOR
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 ✔✔THE STARTER FRAME
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.
1
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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 ✔✔GROUND CIRCUIT
MAXIMUM ALTERNATOR AMPERAGE IS LIMITED BY: - 🧠 ANSWER
✔✔THE DESIGN AND SIZE OF THE FIELD AND STATOR COILS
A FULLY CHARGED BATTERY CELL PRODUCES APPROXIMATELY
HOW MANY VOLTS? - 🧠 ANSWER ✔✔2
EVERY FEW DAYS A BATTERY GOES "DEAD". A CURRENT DRAW IS
SUSPECTED. WHAT SHOULD YOU DO TO VERIFY THE PROBLEM? - 🧠
ANSWER ✔✔HOOK UP AN AMMETER IN SERIES WITH THE BATTERY
GROUND CABLE
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 SHORT CIRCUIT TO
GROUND AT POINT C
2
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
