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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29427
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Chevrolet HHR LT: My rear brake-turn signals dont work. The

Customer Question

My rear brake-turn signals dont work. The bulbs work when headlights are on. The front turn signals work.The top brake light works also. Reverse lights work.
Submitted: 1 year ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 1 year ago.
Hi there, I am Cam. Do the hazards work?
Customer: replied 1 year ago.
In the front but not the rear
Customer: replied 1 year ago.
Btw im Rean, hey
Expert:  GM Tech (Cam) replied 1 year ago.
Ok, in the centre console is the Body Control Module (BCM) which has a red connector. Do you see that red connector? Is that loose? If you move the wiring around or tap on it do the lights work again Rean?
Customer: replied 1 year ago.
Testing now
Expert:  GM Tech (Cam) replied 1 year ago.
Thank you. If that does not change it, do you have a tester we can make a quick test with?
Customer: replied 1 year ago.
what kind of tester?
Expert:  GM Tech (Cam) replied 1 year ago.
My preference is a test light but a meter would work as well .
Customer: replied 1 year ago.
I have a fuse tester
Expert:  GM Tech (Cam) replied 1 year ago.
Not sure that will work, what kind of fuse tester? , lets see what you find when playing with the red connector and such.
Customer: replied 1 year ago.
That large red box with all the wires?
Expert:  GM Tech (Cam) replied 1 year ago.
Yes that connector no that will not work. In your picture I have highlighted 2 wires, green and yellow, wiggle those. https://dl.dropboxusercontent.com/u/22552935/Screen%20Shot%202015-04-30%20at%2012.40.29.png
Customer: replied 1 year ago.
Im working alone so i dont have real time confirmation. No change. Theyre secure
Expert:  GM Tech (Cam) replied 1 year ago.
Ok, can you try extending a wire from the prongs of your tester and put one on ground and the other to that wire. See what it does. Also test from the battery positive to the battery negative so I can see how it reacts.
Customer: replied 1 year ago.
Ok i bought a tester
Expert:  GM Tech (Cam) replied 1 year ago.
ok, hazards on, test from each of the 2 wires to metal and see what the reading is. .No reading means BCM is bad, but please make sure every fuse in all the fuse blocks are good just to be sure.
Customer: replied 1 year ago.
My engine fuse block reads a bcm, but the fuse map inside doesnt mention bcm.
Customer: replied 1 year ago.
Following your instructions
Expert:  GM Tech (Cam) replied 1 year ago.
Sorry washroom break. Check any that read TBC as well.
Customer: replied 1 year ago.
I really dont know what im doing
Customer: replied 1 year ago.
I'll get chevy to look at it, I have that ignition recall to handle anyways. Thanks for typing.
Expert:  GM Tech (Cam) replied 1 year ago.
Is there more I can get you? Thank you for allowing me to assist you. Please rate my answer 3-5 or OK to Excellent service and feel free to ask any follow up questions regarding this issue you may have.Please know that the only compensation for my time spent assisting you is when you provide that rating.

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