GMC Sierra 2500 HD Classic Hazard / Turn Signal Flasher Replacement at your home or office.

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Hazard / Turn Signal Flasher Replacement Service

How much does a Hazard / Turn Signal Flasher Replacement cost?

On average, the cost for a GMC Sierra 2500 HD Classic Hazard / Turn Signal Flasher Replacement is $209 with $114 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2007 GMC Sierra 2500 HD ClassicV8-8.1LService typeHazard / Turn Signal Flasher ReplacementEstimate$342.95Shop/Dealer Price$409.94 - $588.41
2007 GMC Sierra 2500 HD ClassicV8-6.6L Turbo DieselService typeHazard / Turn Signal Flasher ReplacementEstimate$322.95Shop/Dealer Price$389.96 - $568.44
2007 GMC Sierra 2500 HD ClassicV8-6.0LService typeHazard / Turn Signal Flasher ReplacementEstimate$322.95Shop/Dealer Price$389.96 - $568.44
Show example GMC Sierra 2500 HD Classic Hazard / Turn Signal Flasher Replacement prices

What is the Hazard / Turn Signal Flasher all about?

The hazard / turn signal flasher is a small, electrical device that causes the lights on your vehicle to flash in a rhythmic, steady fashion. It is usually located under the driver’s side of the dash, and is wired in-line with the turn signal lever and hazard switch buttons. When the turn signals or hazard lights are turned on, the circuit’s power is routed through the flasher, which only emits short bursts of power that cause the lights to flash. If the flasher is not working, your hazard or turn signal lights may stay on solid when turned on, not turn on at all, or flash at an undesirable rate.

Keep in mind:

  • Flasher units hardly ever develop problems. Although in older vehicles, the wiring can become compromised.
  • Don’t assume that the problem is with the flasher – it could be something as simple as a blown fuse.
  • Check your bulbs, and replace them if necessary.

How it's done:

  • The vehicle's hood is opened and supported manually
  • The new relays are installed onto a mounting bracket
  • The wiring is connected to the relays and into the vehicle harness
  • The hood manual support is removed
  • The install is verified and the hazard lights are tested for proper operation

Our recommendation:

If your turn signals aren’t working, you will fail a motor vehicle inspection or a roadside check. Examine your fuses to make sure none are discolored – this indicates a blown fuse that could be causing the problem. Check your light bulbs as well. If all are in good working order, then the problem could be the hazard / turn signal flasher, which is part of your car's electrical system. Have one of our expert mechanics inspect and replace the hazard turn signal flasher if required.

What common symptoms indicate you may need to replace the Hazard / Turn Signal Flasher?

  • No turn signals on either side
  • Turn signal on only one side
  • Turn signals light up but don’t flash
  • Turn signal flashes too slow
  • Turn signal flashes too fast
  • Hazard lights don’t work

How important is this service?

Malfunctioning turn signals and hazard lights are critical safety issues. If your turn signals aren’t working, you have no way of communicating your driving intentions to other drivers aside from hand signals. Have one of our expert mechanics check them immediately so that the problem can be diagnosed, and appropriate measures taken, such as replacing your hazard / turn signal flasher.

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Excellent Rating

(2,948)

Rating Summary
2,788
79
21
10
50
2,788
79
21
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50

Scott

34 years of experience
551 reviews
Scott
34 years of experience
GMC Sierra 2500 HD Classic V8-6.6L Turbo Diesel - Thermostat - Denver, Colorado
Scott did an excellent job. Would highly recommend his services.

Brandon

5 years of experience
36 reviews
Brandon
5 years of experience
GMC Sierra 2500 HD Classic V8-6.6L Turbo Diesel - Exterior Door Handle Replacement (Driver Side Front) - Gallatin, Tennessee
Very professional and done excellent work.

Manuel

32 years of experience
579 reviews
Manuel
32 years of experience
GMC Sierra 1500 V8-4.8L - Water Pump - Laguna Beach, California
Excellent service really happy my x-husband recommended online mechanic .thank you Manuel gave me very comfortable and honest feeling...he recomended some other things that will need doing...I feel that I will use the service for all my needs and will recomend to everyone I know... Thank you

Daniel

21 years of experience
346 reviews
Daniel
21 years of experience
GMC Terrain L4-2.4L - Camshaft Position Sensor - Houston, Texas
Daniel was able to be at my scheduled appointment early and did a great job of communicating that to me and got the job done before my appointment was originally supposed to start! He was very professional and did a great job.

Excellent Rating

(2,948)

Rating Summary
2,788
79
21
10
50
2,788
79
21
10
50
Number of GMC services completed
32428+
services done by our mechanics
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