GMC Sierra 3500 Ignition Cable (Spark plug wires) Replacement at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(13)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(13)

Ignition Cable (Spark plug wires) Replacement Service

How much does a Ignition Cable (Spark plug wires) Replacement cost?

On average, the cost for a GMC Sierra 3500 Ignition Cable (Spark plug wires) Replacement is $273 with $77 for parts and $196 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2006 GMC Sierra 3500V8-8.1LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$371.40Shop/Dealer Price$415.04 - $534.62
2002 GMC Sierra 3500V8-8.1LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$402.97Shop/Dealer Price$455.18 - $606.04
2006 GMC Sierra 3500V8-6.0LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$389.83Shop/Dealer Price$438.79 - $579.82
2004 GMC Sierra 3500V8-8.1LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$358.79Shop/Dealer Price$399.99 - $517.74
2001 GMC Sierra 3500V8-6.0LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$389.83Shop/Dealer Price$440.85 - $583.43
2004 GMC Sierra 3500V8-6.0LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$389.83Shop/Dealer Price$438.98 - $580.16
2003 GMC Sierra 3500V8-8.1LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$358.79Shop/Dealer Price$400.01 - $517.78
2005 GMC Sierra 3500V8-6.0LService typeIgnition Cable (Spark plug wires) ReplacementEstimate$389.83Shop/Dealer Price$438.79 - $579.82
Show example GMC Sierra 3500 Ignition Cable (Spark plug wires) Replacement prices

What is the Ignition Cable (Spark plug wires) all about?

The ignition cables, also known as “spark plug wires” are part of the ignition system. They transfer the spark from the distributor or ignition coil to spark plugs that ignite the air-fuel mixture, starting the engine.

Over time, the cables can get weak and break down. This will make it harder for the spark to reach the engine cylinders, resulting in engine misfires. The car may not start at all. If one of the spark plugs has gone bad, the car will still start and run, but it will run poorly.

Keep in mind:

  • Ignition cable failure is often caused by other failing pieces in the ignition system; a mechanic should check for any other malfunctioning parts, and replace any parts of the system that don’t work.
  • Every time the ignition cables are replaced, the spark plugs should be inspected.
  • Leaking oil or coolant can cause ignition wire failure. If this is the case, the cause of the leak should be repaired or replaced, or else the new ignition wires will quickly be damaged as well.

How it's done:

  • Scan the computer system in the car for codes.
  • Inspect ignition cables (look for white spots).
  • Ohm test on individual cables.
  • Remove and replace the cables if found faulty.
  • Inspect the spark plugs.
  • Clear the codes.

Our recommendation:

Ignition wires should be replaced at least every 60,000 miles, but whenever your car is serviced, it’s a good idea to have the entire ignition system inspected. Any time that you have spark plugs replaced, it’s a good idea to have the ignition wires replaced as well. If you notice that your engine is running poorly, you should schedule an inspection.

What common symptoms indicate you may need to replace the Ignition Cable (Spark plug wires)?

  • Check Engine light is on.
  • Engine misfires.
  • Poor gas mileage.
  • Engine may shake (light vibration).

How important is this service?

The fuel in your automobile is ignited by a spark. This starts with the ignition coil, which transforms low voltage power into extremely high voltage. This high voltage is transferred through the ignition cables, and to the spark plug, where a spark is created that ignites the engine’s fuel, and powers the engine.

When one or more ignition cables fail, this voltage will not be transferred from the ignition coil to the spark plugs, and the fuel will not be ignited. Depending on how many of your ignition cables malfunction, your car will either run poorly, or won’t run at all.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert GMC mechanics

Real customer reviews from GMC owners like you.

Excellent Rating

(13)

Rating Summary
12
0
0
1
0
12
0
0
1
0

Peter

29 years of experience
592 reviews
Peter
29 years of experience
GMC Sierra 3500 V8-8.1L - Check Engine Light is on - Sylmar, California
I will definitely be requesting Peter for future work. He was very knowledgeable and explained things thoroughly. Thank you!

Robert

43 years of experience
232 reviews
Robert
43 years of experience
GMC Sierra 3500 V8-8.1L - Oxygen Sensor Replacement (Front/Upper/Upstream) - Houston, Texas
Best I have had yet with My Machanic

William

19 years of experience
90 reviews
William
19 years of experience
GMC K1500 V8-5.7L - Ignition Cable (Spark plug wires) - Alsip, Illinois
Wilam,was very professional and Curtas. I would highly recommend them to any one!

Michael

17 years of experience
606 reviews
Michael
17 years of experience
GMC Yukon V8-6.0L - Ignition Cable (Spark plug wires) - Atlanta, Georgia
Expert knowledge and service 👍

Excellent Rating

(13)

Rating Summary
12
0
0
1
0
12
0
0
1
0
Number of GMC Ignition Cable (Spark plug wires) Replacement services completed
143+
services done by our mechanics
TOTAL NUMBER OF EXPERT GMC MECHANICS
900+
experts on our platform

Recent articles & questions

Can a Leak in the Brake System Cause Total Brake Failure?
Although Although there are several issues that can lead to total brake failure, the most common one is some form of brake fluid leak. When a brake leak is present, it affects the fluid pressure in your system. Since it...
How to Buy a Good Quality Air Filter
The The air filter is a vital component of the car’s engine and fuel system. Without it, dust, debris, and other particles would make their way through the fuel system and eventually ruin the engine. The air filter is typically...
How to Replace a Lost or Stolen Car Title in Nebraska
Your Your car title may seem like a small item but in fact it’s a very important piece of paper. This title is what proves you are the registered owner of your vehicle. This is important if you ever have...

Is a Leaking Hose in a Car Serious?

Leaking hoses are an indication of a problem with the system that they are associated with. A leaking hose will cause the fluid that a system requires for operation to be lost, which compromises the system’s function. The loss of...

I have a kill switch on my car and the remote broke and I can't find how to disconnect the kill switch. It's an aftermarket

Hey there. If the system is an aftermarket type, then you would need to have the entire system removed or the system replaced with a new system. These systems all hook up a little different and only after looking at...

Small Backfires

It sounds like you may have a fuel supply problem in getting the proper amount of fuel to the fuel injectors. As you know, when you turn the key to on, the fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) is activated and the fuel...

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 (844) 997-3624 · hi@yourmechanic.com