STUDENT’S INDUSTRIAL WORK EXPERIENCE SCHEME

(SIWES)

A TECHNICAL REPORT OF WORK UNDERTAKEN

AT

MECHANIC VILLAGE

BULLIONS AUTO-ELECT

BY

AGUNU KINGSTON AVWEROSUOGHENE

MATRICULATION NUMBER: FNG/20/21/265646

SUBMITTED TO

DEPARTMENT OF ELECTRICAL/ELECTRONIC ENGINEERING

FACULTY OF ENGINEERING

DELTA STATE UNIVERSITY, OLEH CAMPUS.

IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF

BACHELOR OF ENGINEERING (B.ENG) DEGREE IN ELECTRICAL/ELECTRONIC
ENGINEERING.

NOVEMBER, 2024.

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 DEDICATION

This IT report is dedicated to the Almighty God, whose grace and strength enabled me to
successfully complete my undergraduate internship program.

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 ACKNOWLEDGEMENT

I would like to express my deepest gratitude to my wonderful guardian, Mrs. Agunu Stella
Ojiyovwi, for her unwavering support and care, which has greatly fueled my pursuit of a
Bachelor of Engineering degree in Electrical/Electronic Engineering.

I also extend my sincere appreciation to the Management of Mechanic Village and Bullions
Auto-Elect for providing me with the valuable opportunity to train under their platform.

Lastly, I would like to take this opportunity to thank the staff of the Electrical/Electronic
Department for their continuous guidance and support. My heartfelt thanks also go to my friends
and well-wishers, too numerous to mention here, whose support was instrumental throughout my
program.

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 ABSTRACT

This report provides an overview of the tasks and skills acquired during my six-month internship
at Mechanic Village, where I specialized in automotive electrical systems. The internship
involved a range of activities, including the identification and maintenance of electrical tools,
diagnosing and repairing short-circuited wires, replacing faulty key starters, and resolving issues
with alternators, control modules, and other critical components. I also performed routine
maintenance tasks such as battery testing, headlamp replacement, and cleaning the windshield
wiper system. The hands-on experience gained through these tasks enhanced my diagnostic and
repair skills while highlighting the importance of tool maintenance, safety protocols, and
continuous learning. This internship has significantly contributed to my technical knowledge and
prepared me for future roles in automotive electrical engineering.

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Contents
DEDICATION.............................................................................................................................................i
ACKNOWLEDGEMENT...........................................................................................................................ii
ABSTRACT...............................................................................................................................................iii
CHAPTER ONE..........................................................................................................................................2
1.0 Company’s Profile.............................................................................................................................2
1.0.1 Core Operation........................................................................................................................2
1.0.2 Organisation Structure/Staff Strength......................................................................................3
CHAPTER TWO.........................................................................................................................................4
2.2 Maintenance of the Electrical Work Tools.....................................................................................7
CHAPTER THREE...................................................................................................................................10
3.1 Specific Work Completed.............................................................................................................10
CHAPTER FOUR.....................................................................................................................................12
4.1 Detailed Description of Specific Work Carried Out......................................................................12
CHAPTER FIVE.......................................................................................................................................16
5.1 Conclusion.......................................................................................................................................16
5.2 Recommendation.............................................................................................................................16

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 CHAPTER ONE

1.0 Company’s Profile

Bullions Autoelect is a sole proprietorship located in Mechanic Village, Oleh. Established in July
2015 by Mr. Ove Bullion, the company has swiftly built a reputation as a reliable provider of
automotive repair services, with expertise in both electronic and mechanical repairs. Dedicated to
delivering top-notch service, Bullions Autoelect tackles a broad range of vehicle issues, ensuring
customers receive dependable solutions that improve the performance and safety of their
vehicles.

The company's mission is to provide comprehensive repair services that address both the
electrical and mechanical components of automobiles. By utilizing advanced tools and modern
techniques, Bullions Autoelect ensures that each vehicle serviced is maintained in excellent
working condition.

1.0.1 Core Operation

The core operations of Bullions Autoelect are focused on several key areas, offering a
comprehensive range of services:

 Electrical Fault Troubleshooting: Known for its quick and effective diagnosis of
electrical problems, Bullions Autoelect addresses issues with batteries, alternators,
starters, lighting systems, and more, ensuring vehicles return to optimal working
condition.
 Automobile Electronic Repairs: Bullions Autoelect specializes in diagnosing and
repairing electronic components in vehicles, such as sensors, wiring systems, and other
electronic malfunctions. Whether working on domestic or imported models, the company
is equipped to handle a wide variety of electronic issues.
 Mechanical Repairs: In addition to its electronic expertise, Bullions Autoelect excels in
mechanical repairs, providing services ranging from engine overhauls to brake repairs.
This ensures that vehicles run efficiently and safely.

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  Preventive Maintenance: To help vehicle owners avoid costly future repairs, Bullions
Autoelect offers preventive maintenance, performing thorough checks on both electronic
and mechanical systems. This proactive approach allows for the early detection and
resolution of potential issues.
 Customization and Upgrades: The company also offers customization and upgrade
services, giving customers the option to enhance their vehicle's performance. This
includes the installation of new audio systems, suspension upgrades, and other
performance-enhancing modifications.

1.0.2 Organisation Structure/Staff Strength

Owner/Manager: Ove Bullion oversees the daily operations of the business, ensuring smooth
execution of repairs, maintaining strong customer relationships, and upholding the company’s
commitment to high standards.

Staffing Structure: Bullions Autoelect utilizes a flexible staffing approach, bringing in skilled
technicians and apprentices as needed based on the volume of work. This adaptive model enables
the company to handle multiple projects efficiently, ensuring that the quality of service is never
compromised.

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 CHAPTER TWO

2.1 Introduction to Electrical Work Tools

During my internship at Mechanic Village, I became familiar with a variety of specialized tools
critical for diagnosing, repairing, and maintaining automotive electrical systems. Each tool plays
a specific role, and mastering their proper use is essential for any auto electrician. Below is an
overview of the key tools I worked with, including their various functions:

1. Screwdrivers (Flathead and Phillips)

Screwdrivers are basic hand tools used to turn screws. Flathead screwdrivers feature a
flat, single-slot blade ideal for slotted screws, while Phillips screwdrivers have a cross-
shaped tip designed to fit into screws with a corresponding cross-recess.

Figure 2.1: Screwdriver

2. Pliers
Pliers are versatile tools used for gripping, bending, cutting, or holding wires and other
small components. Different types, such as needle-nose pliers for reaching into tight

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 spaces, and cutting pliers for snipping wires cleanly, make them indispensable in
electrical work.

Figure 2.2: Pliers

3. Wire Strippers
Wire strippers are used to safely remove the insulation from electrical wires without
damaging the metal conductor inside. They are equipped with multiple notches to
accommodate wires of different gauges, making them essential for preparing wires for
connections.

Fig 2.3: Wire Stripper

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4. Test Light
A test light is an electrical testing tool consisting of a probe, a light bulb, and a ground
clip. When the probe touches a live circuit and the ground clip is connected to a metal
ground, the light bulb illuminates, indicating the presence of voltage.

Figure 2.4: Test Light

5. Multimeter
A multimeter is a multifunctional diagnostic tool capable of measuring voltage, current,
and resistance in electrical circuits. It can also test continuity, which helps verify whether
a circuit is complete and electricity can flow through it.

Figure 2.5: Multimeter

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 6. Crimping Tool
Crimping tools are used to join two pieces of metal, typically by deforming one or both to
form a secure connection. In automotive electrical work, crimping tools are commonly
used to attach connectors to the ends of wires, ensuring a reliable and durable bond.

Figure 2.6: Crimping Tool

7. Soldering Iron
A soldering iron is used to heat solder, a fusible metal alloy, to create permanent
connections between wires or components. Once the solder melts and flows into the joint,
it solidifies upon cooling, forming a secure electrical connection.

Figure 2.7: Soldering Iron

2.2 Maintenance of the Electrical Work Tools

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Proper maintenance of electrical tools is essential for ensuring their durability, performance, and
safety during use. Below is a detailed guide on the maintenance practices for each tool used
during my internship:

 Wire Strippers
To maintain wire strippers, it is important to clean them after each use by wiping off any
dirt, grease, or wire debris that may accumulate in the notches. This prevents damage and
ensures smooth operation. Lubricating the pivot point with a light oil regularly helps to
avoid rusting and keep the tool functioning smoothly. It's also necessary to inspect the
notches frequently for signs of wear or damage, and replace the tool if it is no longer
stripping wires cleanly.
 Screwdrivers (Flathead and Phillips)
Maintenance of screwdrivers involves wiping the blades and handles clean after each use
to remove any dirt or grease. This helps maintain a good grip and functionality. If the
blade becomes dull, sharpening it with a file or replacing the screwdriver will prevent
slippage when turning screws. Storing screwdrivers in a case or toolbox protects the tips
from damage and ensures they are ready for future use.
 Pliers
Pliers should be cleaned after use to remove any dirt, grease, or metal shavings that might
cause corrosion. Lubricating the pivot joint regularly with oil ensures smooth operation
and prevents rust. It is also crucial to inspect the cutting edges for dullness or nicks. If the
cutting blades become worn or damaged, sharpening or replacing the pliers will maintain
their effectiveness in cutting wires or gripping components.
 Test Light
To maintain a test light, it’s important to wipe the probe and ground clip clean after each
use to ensure accurate voltage detection. Regularly checking the bulb and replacing it if it
becomes dim or burns out is essential for proper functionality. Storing the test light in a
dry environment helps prevent moisture damage, ensuring its longevity.
 Multimeter
Proper maintenance of a multimeter includes cleaning the body and probes after every
use to prevent dirt from interfering with readings. Regularly checking the battery and

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 replacing it as needed is crucial for accurate measurements. Periodic calibration of the
multimeter, according to the manufacturer's guidelines, ensures the accuracy of its
readings. Keeping the multimeter in a protective case when not in use helps safeguard it
from damage caused by falls or moisture exposure.
 Crimping Tool
Crimping tools should be wiped down after each use to remove debris or metal shavings
that could interfere with their operation. Regular lubrication of the pivot point keeps the
tool functioning smoothly and prevents rust buildup. Inspecting the jaws frequently for
wear or misalignment is important, as damaged jaws can compromise the quality of the
crimp. If necessary, the tool should be replaced to maintain performance.
 Soldering Iron
Maintenance of a soldering iron involves cleaning the tip after each use with a damp
sponge or brass wire cleaner to remove excess solder. Tinning the tip by applying a small
amount of solder after cleaning prevents oxidation and ensures efficient heat transfer.
Regularly inspecting the tip for wear and replacing it if it becomes too worn is essential
for proper soldering. Storing the soldering iron in a holder protects both the tool and the
work area from damage and accidental burns.

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 CHAPTER THREE

3.1 Specific Work Completed

During my internship at Mechanic Village, I gained hands-on experience in various automotive

electrical tasks, which are summarized below:

 Identification of Electrical Tools

I familiarized myself with essential tools such as wire strippers, screwdrivers, and test
lights, learning their specific applications and proper handling.
 Short-Circuited Wire Replacement
I diagnosed and replaced a faulty wire causing electrical failure in a vehicle, improving
my troubleshooting and repair skills.
 Faulty Key Starter Replacement
I replaced a damaged key starter, ensuring smooth ignition and reinforcing the
importance of precision in repairs.

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 Windshield Wiper Water System Cleaning
I unclogged the nozzles and lines of the wiper system, restoring functionality and
learning the value of thorough maintenance.
 Blown Fuse Replacement
I identified and replaced several blown fuses, ensuring the correct amperage was used to
restore electrical circuits.
 Radiator Fan Motor Fix
I replaced a malfunctioning radiator fan motor, helping to prevent engine overheating
through careful disassembly and reassembly.
 Car Battery Testing and Recharging
I diagnosed and recharged weak batteries, understanding proper battery maintenance and
the use of a multimeter for diagnostics.
 Engine Control Module (ECM) Repair
I repaired a faulty ECM, gaining insight into the vehicle’s electronic management system
and restoring engine functionality.
 Alternator Replacement
I replaced a faulty alternator, ensuring the vehicle’s battery was properly charged and
maintained electrical power.
 Coolant Temperature Sensor Replacement
I replaced a malfunctioning sensor, ensuring accurate temperature readings for the
vehicle’s control system.
 Broken Wiring Repair
I repaired damaged wiring by splicing in new wires, ensuring electrical continuity and
restoring proper vehicle function.
 Dimming Headlight Fix
I resolved dimming headlights by addressing a weak battery and faulty wiring, ensuring
safe nighttime driving.
 Kick Starter Replacement
I replaced a faulty kick starter, restoring the vehicle’s ability to start reliably.

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  Electronic Siren Installation
I installed a siren in a Toyota Hilux, learning the correct wiring and testing procedures for
additional vehicle features.
 Corroded Battery Terminal Replacement
I replaced corroded battery terminals, improving the efficiency and reliability of the
vehicle’s electrical connections.
 Headlamp Bulb Replacement
I replaced a burnt-out headlamp bulb, a simple but crucial task for vehicle safety.

CHAPTER FOUR

4.1 Detailed Description of Specific Work Carried Out

During my internship at Mechanic Village, I had the opportunity to personally perform a variety
of tasks related to automotive electrical systems. Below is a detailed account of how I executed
each of these tasks, showcasing the hands-on experience I gained:

1. Identification of Electrical Tools

One of my first tasks was to familiarize myself with the tools commonly used in auto-
electric work. I spent time understanding the purpose of each tool, starting with wire
strippers for removing insulation without damaging the wires. I also practiced using both
flathead and Phillips screwdrivers to assemble and disassemble various components.
Additionally, I learned how to properly handle a test light to check circuit continuity by

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 attaching the ground clip and probing live circuits. This foundational task ensured I was
well-equipped to handle subsequent jobs with the correct tools.
2. Short-Circuited Wire Replacement
When a vehicle arrived with electrical issues, I diagnosed the problem as a short-circuited
wire. Using a multimeter, I traced the faulty wire in the vehicle’s electrical system. After
isolating the damaged section, I carefully removed the old wire and replaced it with a
new one of the appropriate gauge. I secured the new wire using crimping connectors and
ensured it was properly insulated. Once everything was in place, I tested the electrical
flow to confirm the issue was resolved. This task helped me refine my diagnostic and
repair skills.
3. Faulty Key Starter Replacement
A car was brought in with ignition problems, and after thorough investigation, I identified
a faulty key starter due to a damaged brush. I carefully removed the old starter by
disassembling the ignition system and inspecting the starter motor. After confirming the
diagnosis, I installed a new key starter and reassembled the ignition. Testing the system, I
successfully restored the vehicle's ignition functionality, which reinforced my attention to
detail and the importance of precise repairs.
4. Windshield Wiper Water System Cleaning
The windshield wiper water system on one vehicle was malfunctioning due to clogged
nozzles and lines. I disassembled the water system, carefully cleaning the nozzles using a
fine wire and flushing the lines with water. After reassembling the system, I tested it by
activating the windshield wipers, ensuring the nozzles sprayed water properly. This task
required patience and precision to guarantee the system was fully functional again.
5. Blown Fuse Replacement
In several cases, I encountered vehicles with blown fuses that disrupted electrical
systems. I identified the faulty fuses by visually inspecting them and using a multimeter
to check for continuity. After confirming the blown fuse, I replaced it with one of the
correct amperage to ensure safety and proper functionality. Once replaced, I tested the
affected electrical circuits, verifying that everything was working as expected. This
taught me the importance of precision when matching fuse ratings to electrical
components.

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6. Radiator Fan Motor Fix
A vehicle came in with an overheating engine, and I traced the issue to a faulty radiator
fan motor. I disassembled the cooling system, carefully removing the old fan motor. After
installing a new motor, I reconnected all electrical connections and reassembled the
cooling system. I then tested the fan to ensure it was functioning correctly, which helped
restore the engine’s cooling system to full operation. This task required careful handling
of both mechanical and electrical components.
7. Car Battery Testing and Recharging
I handled several cases involving weak car batteries. Using a multimeter, I measured the
voltage of the battery and confirmed it was below optimal levels. I connected the battery
to a charger and monitored the charging process. After charging, I reinstalled the battery,
tested the vehicle’s starting system, and ensured the electrical system was functioning
reliably. This task deepened my understanding of battery maintenance and the importance
of regular checks.
8. Engine Control Module (ECM) Repair
In one instance, a vehicle exhibited erratic engine behavior due to a faulty ECM. After
conducting diagnostic tests, I located the issue within the module. I carefully traced the
electrical faults and, with the supervision of a senior technician, replaced the ECM. After
reinstalling it, I reprogrammed the system and tested the vehicle to confirm that the
engine was running smoothly again. This task gave me insight into the complex
electronic systems that control modern engines.
9. Alternator Replacement
A vehicle's battery wasn’t charging, and I traced the issue to a faulty alternator. I
disconnected the battery and removed the old alternator, ensuring that the serpentine belt
and electrical connections were properly handled. After installing the new alternator, I
reconnected all components and tested the battery charging system. The new alternator
successfully restored the vehicle’s ability to charge its battery while running,
emphasizing the importance of this component in the vehicle’s electrical system.
10. Coolant Temperature Sensor Replacement
A vehicle was giving inaccurate temperature readings due to a faulty coolant temperature
sensor. I located the sensor, drained a small amount of coolant, and replaced the sensor

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 with a new one. After reconnecting everything and refilling the coolant, I tested the
vehicle to ensure the new sensor was functioning correctly and providing accurate
temperature data.
11. Broken Wiring Repair
I encountered multiple instances of broken or corroded wiring. In each case, I carefully
traced the damaged wire, cut out the faulty sections, and used a soldering iron to splice in
new wire segments. After soldering, I applied heat shrink tubing to insulate the joints,
ensuring the electrical connection was restored safely. This task required precision to
ensure proper wiring continuity.
12. Dimming Headlight Fix
A vehicle came in with dim headlights, which I diagnosed as being caused by a weak
battery and faulty wiring. After replacing the battery and checking the wiring
connections, I restored the headlights to their full brightness. This task was critical for
ensuring the vehicle’s safety, especially for nighttime driving.
13. Kick Starter Replacement
I replaced a faulty kick starter on a vehicle that had trouble starting. This involved
carefully removing the old starter, inspecting it for damage, and installing a new one.
After reassembling the components, I tested the vehicle to ensure the new starter worked
reliably. The successful replacement restored the vehicle’s starting function.
14. Electronic Siren Installation
I installed an electronic siren on a Toyota Hilux. I carefully routed the necessary wiring
from the siren to the vehicle’s electrical system, making sure to secure the siren in a
location that would not interfere with other components. After connecting everything, I
tested the siren to ensure it operated correctly. This task taught me the importance of
following installation guidelines for aftermarket equipment.
15. Corroded Battery Terminal Replacement
Several vehicles came in with corroded battery terminals. I removed the old terminals,
cleaned the battery posts, and installed new terminals, ensuring a secure and clean
connection. This process improved the electrical conductivity and ensured the vehicle’s
electrical system functioned efficiently.

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 16. Headlamp Bulb Replacement
I replaced a burnt-out headlamp bulb, a straightforward yet essential task. I carefully
removed the old bulb, installed a new one, and tested the headlamp to ensure proper
operation. This task reinforced the importance of maintaining vehicle lighting systems for
driver safety.

CHAPTER FIVE

5.1 Conclusion
My internship at Mechanic Village provided me with invaluable hands-on experience in the field
of automotive electrical systems. Throughout the six months, I gained practical skills in

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diagnosing, repairing, and maintaining various components such as wiring, batteries, starters,
alternators, and control modules. These experiences not only enhanced my technical proficiency
but also deepened my understanding of the critical role that both electrical and mechanical
systems play in vehicle performance and safety. The tasks I completed—from complex electrical
diagnostics to routine maintenance allowed me to develop a strong foundation in automotive
repair. This experience has equipped me with the knowledge and skills necessary to pursue a
career in automotive electrical engineering, while also emphasizing the importance of continuous
learning to keep pace with evolving technologies.

5.2 Recommendation

Based on my experience during the internship, I recommend the following:

1. Enhance Intern Participation in Complex Projects: Allowing interns to take on more

responsibility in complex tasks, such as decision-making in technical projects, would
further enhance their learning and problem-solving skills.
2. Advanced Maintenance Tracking: Implementing a more sophisticated tool tracking and
maintenance management system would improve the efficiency of tool usage and prevent
downtime due to equipment failure.
3. Continual Technical Training: They should continue to invest in technical training
programs for interns and staff. This would ensure that everyone remains up to date with
the latest technologies and methodologies in the industry.
4. Expand Industrial Training Opportunities: Expanding IT programs to offer students
exposure to a broader range of departments. This will help interns develop a more holistic
understanding of the oil and gas industry and related operations.

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