Electrical System Repairs

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The electrical system in your truck is made up of the battery, alternator, and starter. Though it’s only three components, they are responsible for starting your engine, keeping the engine running, and giving power to all the lights and a/c systems.

When you have an electrical problem, it can quickly spread to these other components and put you out of commission. Call Columbus Truck Repair for all of your semi truck electrical repairs. We will send a mobile mechanic to your location in the Columbus metro area.

Starter Motor

The starter motor is responsible for cranking the engine through the starter solenoid and relay. That power is then sent to the engine which turns the flywheel to start the engine. A bad starter will put you out quickly because you won’t even get the truck started. Changing the starter is straight forward, but the system needs to be properly diagnosed to make sure that’s the cause of your problem.

Some symptoms of a bad starter include:

A clicking sound when you try to start the engine

A smoking starter or any electrical component

No activity when you turn the key

Battery

The battery is what gives power to the starter when you turn the key. Once the engine is started, the alternator takes over to keep the voltage at the proper level. But when your engine is off, the battery runs all the interior components such as tv’s microwaves and radios.

Some symptoms of a bad starter include:

When your battery starts dying, there are some classic symptoms to look for.

Engine won’t start or is slow to crank

Battery dash light is on

Battery is leaking

Dim lights when the engine is off

Alternator

The alternator is the power source for the engine once it’s started. As the alternator belt spins, it creates a current that powers the truck’s electrical systems and keeps the engine running.Some symptoms of a bad starter include:

When your alternator can’t generate the proper current anymore, it will start showing signs of being worn out.

Symptoms of a bad alternator:

Dead Battery

Noticeable loss of engine power

Whining or grinding coming from the alternator while running

Flickering or dim lights with the engine on

If you need electrical repairs on your semi truck or trailer in Columbus and surrounding areas, call Columbus Truck Repair. Our mobile mechanics will come to you and get you back on the road as quickly and efficiently as possible.