How Are Car Wires Protected From Damage?

Your vehicle's electrical system is one of its most important – and most fragile – components. A simple peek under your hood will verify that there are a massive amount of wires that connect electrical components together. Some go to the alternator, others to accessories like windshield wipers, but all connect to the engine - the source of power. However, the engine creates a lot of heat, which can melt or destroy wires unless they are protected. Wires also face many hazards that can cause them to short out, stop working, and possibly even damage your engine or other parts.

Due to these facts, protecting car electrical wires and connections is vital to the overall performance and operation of any vehicle. Noted below are a few of the common ways that automotive manufacturers protect wires from exposure to extreme conditions.

Understanding The Dangers

Contrary to popular belief, heat alone is not the only condition that can damage electrical wires. In fact, both heat and extreme cold can cause wires to break down or crack. Moisture is another element that can trigger an electrical problem that needs to be diagnosed and repaired by a professional mechanic. In addition to simply not working, a serious concern is the possibility of fire.

Dirt and debris can also get to the wires, causing them not to work or to short out. In most instances where you experience an electrical issue with your car, the actual problem is with electrical connections that have become dirty. This creates a weak electrical connection. In order to reduce the possibility of electrical problems, you need to know how to protect the engine wiring for safety and performance.

Options for Protecting Electrical Wires

Many wires come with insulation to keep them away from the hazards. One way that manufacturers protect electrical wires is through the installation of special heat shields. They slip on and insulate the wires from getting too warm, which is beneficial since the engine area can become very hot. They act as a sleeve that goes over any current covering to provide more insulation. Another common problem that creates damage to electrical wires are sharp edges. To avoid splitting or fraying wires, they should go through a grommet if they are near sharp edges or fiberglass. If the cover on a wire becomes damaged or torn, it should be sealed with electrical tape to prevent further damage.

Keeping electrical wires properly secured is another way they are protected from damage. Wires are often tied to a solid surface so they can’t move and get cut or worn. If they are allowed to move around, the connection can be loosened until the electricity doesn’t flow to whatever component is attached to the wire.

Although most of these items are designed to protect electrical wires from the factory, staying on top of routine cleaning and under-the-hood maintenance can prevent many common electrical problems. Anytime you experience an electrical issue, it's a good idea to contact a professional mobile mechanic to come to your location and complete an electrical problems inspection.


Next Step

Schedule Oil Change

The most popular service booked by readers of this article is Oil Change. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. We currently cover over 2,000 cities and have 100k+ 5-star reviews... LEARN MORE

SEE PRICING & SCHEDULING

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Recent Oil Change reviews

Excellent Rating

(21,699)

Rating Summary
20,382
845
179
87
206
20,382
845
179
87
206

Matthew

33 years of experience
991 reviews
Matthew
33 years of experience
Volkswagen Passat - Oil Change - Hampton, Virginia
Matt always does a great job. Very professional. I look forward to my next appointment.... A++++++
Ford Expedition - Oil Change - Hampton, Virginia
I am so please to have Matt work on my vehicle, he is very friendly and personable, and always does a great job.

Greg

22 years of experience
37 reviews
Greg
22 years of experience
Audi A3 - Oil Change - Queen Creek, Arizona
Job well done! Greg was on time and professional. He treated my vehicle with care. He completed the job smoothly and so far so good. First time using Your mechanic and it was a pleasant experience. I will be looking into them again. Thanks Greg!
Ford Explorer - Oil Change - Scottsdale, Arizona
Greg was very friendly and professional. Communication was great, he let me know what he was doing. He went above and beyond to make sure everything was running smoothly. I would 100% recommend Greg!

LAVELL

27 years of experience
93 reviews
LAVELL
27 years of experience
Buick Encore - Oil Change - Oakland, California
Another home run! Really appreciate the flexibility regarding my service appointment. Due to my work schedule I desperately needed a late appointment. So grateful my car is receiving top shelf professional service. Replaced a oil pan drain plug that was seriously damaged and stripped by a competitor that will NEVER get my business again! All services were quickly completed. Thank you so much for another great experience with my.... Your Mechanic Lavell 5 ⭐️ Service consistently.

Brian

23 years of experience
483 reviews
Brian
23 years of experience
Porsche 911 - Oil Change - Ponte Vedra Beach, Florida
Brian is extremely knowledgeable and very personable and has taken very good care on my 911. I would recommend Brian to any one who has mechanical car challenges. I would recommend Brian to all My friends and family

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

Related articles

How Long Does an Anti-Lock Brake (ABS) Fluid Level Sensor Last?
Your Your ABS system works both by means of electricity and hydraulic pressure. Fluid levels need to be monitored at all times, and that is the job of the ABS fluid level sensor. Located in the master cylinder, the ABS...
How Long Does a Low Water Sensor Last?
The The heat that is produced by your engine can be quite harmful if not cooled down. There are a variety of systems in your car that are designed to make sure that the internal temperature of your engine stays...
How Long Does a Crankshaft Position Sensor Last?
The The crankshaft position sensor monitors the rotational speed and position of the crankshaft in the engine. It reports this information to the engine management system to control the ignition system timing. The crankshaft position sensor is used with the...

Related questions

Autonomously control the electric power steering wheel of honda civic 9th gen 2013

I'm curious why you would want to do this and because of the potential liability with something like this. I'm going to say your on your own with such a project. When ever we decide we want to modify our...

After transmission replacement, trouble starting car

If you had the transmission recently replaced, then you may have an issue with the ground cable connection at the transmission connection being loose, or the starter cable is loose. If neither of these issues are happening, then you...

2c9d code and misfires on the cylinders 4, 5, and 6.

Hi there. The oil could have gotten on the spark plugs causing the plugs to not fire. Take out the spark plugs and see if they are covered in oil. If they are clean them off with carburetor cleaner and...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com