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Flashing interior/exterior lights during deceleration.

Customer Question
Flashing interior/exterior lights during...

Flashing interior/exterior lights during deceleration

Mechanic's Assistant: Just to clarify, can you tell me which light it is? And does it blink first, then stay on steady?

Everything blinks at a steady frequency.

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

2003 s10, 2.2l manual trans

Mechanic's Assistant: Are you fixing your S10 yourself? What have you tried so far?

Yes i am fixing it myself and ive cleaned off all easily accessed grounds. Prodemand says that theres one more behind the alternator but i wanted a second opinion before pulled the intake to access it

Submitted: 9 months ago.Category: Chevy
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Answered in 13 hours by:
11/21/2017
Chevy Mechanic: Pete, Auto Service Technician replied 8 months ago
Pete
Pete, Auto Service Technician
Category: Chevy
Satisfied Customers: 33,355
Experience: 14 years GM dealer Technician.
Verified

My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.

If anything after market was installed before this issue occurred like a remote start or alarm system it may be this after market component itself causing this issue needing replaced.If you feel the brake pedal pulsate when this occurs this can be the anti lock brake system causing this issue with a wheel speed sensor sensing an incorrect speed causing the abs to engage as I have seen this cause lights to flash.

The other issue I have seen is the actual alternator itself under deceleration it may be putting out a charge and then no charge in a rapid pace causing the flash.

If all of these have been checked and found to be o.k. let me know so we can continue.

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service,your 5 star rating is appreciated ( should be a link to click on here or above).You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete

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