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Juan Crespo
Juan Crespo, Tech Trainer
Category: GMC
Satisfied Customers: 1513
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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2008 YUKON DENALI. My wife was driving it last weekend and

Customer Question

2008 YUKON DENALI. My wife was driving it last weekend and her left turn signal failed to power off even as the lever disengaged as she straightened the wheel. She found that she had to engage the right turn signal in order for the left to turn off. Also, the windshield wiper and fluid spray would come on as she did this. When she got home, I was able to replicate the problem. Now the vehicle won't start. Turning the switch does not send 12 volts to the starter solenoid. There is 12 volts supplied to the starter solenoid from the battery, but no power is supplied from the switch to engage the solenoid. I tried replacing the turn signal lever/switch, but it did not fix the problem.
JA: Have you checked the fuses? Do you know if there is power to the wiper motor?
Customer: I did check several fuses that were all fine, but I don't remember which ones. But would a blown wiper fuse cause a no start condition?
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes I am. I replaced turn signal/wiper lever switch
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the GM Mechanic about your situation and then connect you two.
Submitted: 4 months ago.
Category: GMC
Expert:  Tims Auto Repair replied 4 months ago.

Hi, My name is ***** ***** for the delay.

I will do my best to assist you

Expert:  Tims Auto Repair replied 4 months ago.

does the security light stay on or flash?

Expert:  Tims Auto Repair replied 4 months ago.

will it send power to the solenoid with the gear shift in neutral?

Customer: replied 4 months ago.
I am away from the vehicle right now, but I do know that there is no power sent to solenoid with shifter in neutral
Expert:  Tims Auto Repair replied 4 months ago.

ok

when will you be at the truck?

Expert:  Tims Auto Repair replied 4 months ago.

i would like for you to look at a few things

Customer: replied 4 months ago.
I'll be there late this afternoon
Expert:  Tims Auto Repair replied 4 months ago.

ok,,when you are there,,just reply back here..

Customer: replied 4 months ago.
ok
Expert:  Tims Auto Repair replied 4 months ago.

thanks

Customer: replied 4 months ago.
Okay, I'm back
Customer: replied 4 months ago.
Okay I'm back
Customer: replied 4 months ago.
Tim, what would you like for me to try?
Expert:  Tims Auto Repair replied 4 months ago.

HI

tell me,does the security light stay on with the key on?

Customer: replied 4 months ago.
If that's the car with a lock through it, then yes. Also message center says service theft deterrent system and service battery charging system
Expert:  Tims Auto Repair replied 4 months ago.

ok..

try to unlock the doors with your remote..

Customer: replied 4 months ago.
the remote works
Customer: replied 4 months ago.
Also the turn signal still blinks left unless you push it for right turn. Then it is off
Customer: replied 4 months ago.
Development. I was attempting to start the vehicle with the spare key as my wife had the other primary key. Apparently that key will not start it. I now have the primary key and it starts fine. However, i still have the blinker problem
Customer: replied 4 months ago.
the security light does not stay on
Customer: replied 4 months ago.
Are you here?
Expert:  Tims Auto Repair replied 4 months ago.

hi

sorry i missed you.

so,the light still blinks with the new signal switch?

Expert:  Tims Auto Repair replied 4 months ago.

please stand by,i will opt out,maybe one of the other guys has a better idea of what is going on.

someone will be right with you

thanks

Expert:  Juan Crespo replied 4 months ago.

Hi there. Different expert here.

From your description of symptoms, it sounds like the turn signal switch is doing its job, which leaves the Cancel Cam or its position plate as the most probable cause of the issue. Please refer to the attached instructions for replacement.

Best Regards.

Customer: replied 4 months ago.
Do you have the instructions for removing the steering wheel/inflatable restraint?
Expert:  Juan Crespo replied 4 months ago.

Coming up shortly...

Customer: replied 4 months ago.
Also, the turn signal lever clicks off automatically as it should when actuated upon turning the wheel
Expert:  Juan Crespo replied 4 months ago.

Check the position plate as it might have moved and is now causing the circuit not to open.

I've attached graphic and procedure for the removal of the inflatable restraint as per your request.

Best Regards.

Customer: replied 4 months ago.
Okay, when will you be available tomorrow should i have more questions?
Expert:  Juan Crespo replied 4 months ago.

I'm usually available to answer questions weekdays from 2 to 8 PM AST (I'm in the Caribbean).

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