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2015 GMC Sierra 1500 5.3L Left Turn Signal
Posted to GM Electrical on 6/29/2025 8 Replies

This is a work truck, fairly clean with no accessories. Verified Customer Complaint : REAR Left Turn Signal out , Left Turn Signal Bulb Out [...] FRONT Turn signal IS working. Check and installed 2 new Rear Turn Signal Bulbs. Still Not working. Check C...

8 Replies Received (View Replies)

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car Vehicle Data

2015 GMC Sierra 1500

VIN 1GTN1TEC7F
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedLeft Turn Signal
ConditionsMAP Lights Flash. Left Turn Bulb Out Warning Messa
Open Help Request

car Vehicle Data

2015 GMC Sierra 1500

VIN 1GTN1TEC7F
Engine5.3 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedLeft Turn Signal
ConditionsMAP Lights Flash. Left Turn Bulb Out Warning Messa