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Left rear turn signal and running light not working and

Left rear turn signal...

Left rear turn signal and running light not working and cruise control stops when right turn signal engaged.

Mechanic's Assistant: While using the cruise control can you accelerate or decelerate? Have you checked the fuses?

Yes for both questions

Mechanic's Assistant: What is the model/year of your Chevy?

2004 Chevy Express 2500

Mechanic's Assistant: Are you fixing your Express yourself? What have you tried so far?

Replaced both rear bulbs and checked the rear sockets for power, no power to the left rear

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

These problems happened at the same time

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Answered in 4 minutes by:
10/3/2017
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 30,416
Experience: GM Grand Master Technician 2007. 14 years experience.
Verified

Hi there, I am Cam.

So this likely is one of three things.
First is a bad fuse in the fuse block under your seat. Fuse #4 is the fuse for that side.
Second is bad wiring between them.

third and most likely is the turn signal flasher module located under the left side of the dash.

GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 30,416
Experience: GM Grand Master Technician 2007. 14 years experience.
Verified
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