Question about 2001 Chevrolet S-10

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Chevy s10 brake lights

Still have the problem - lights on all the time

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  • j-laugh Sep 23, 2008

    I have the same problem with 2003 s-10 and know of another with the same problem. I replaced the switch and it worked for about 2 months.

  • telecast2000 Nov 21, 2008

    Similar but different,
    I pull into a parking spot shift to park, kill ignition, pull key out - dash lights stay or come on and I get a constant audible chime from under the dash??? I get out and see the side marker lights are on. The headlight swith is OFF. No Head lights are on, just side markers and running lights. This has happened 3 times to me and once on my 73 yr ole Dad. Twice I walked away thinking they will shut off after a short time. They will stay on and the damn thing will chime til the battery goes dead.**^^##@!!!!. Previous fixes are unexplainable. I don't know what I did beyond pushing dome overide 4 times in 6 sec. sometimes this works more often not. For the past couple days I have had to unhook battery then rehook it up. any help out there for this one?

  • pjosln83 Feb 07, 2009

    I had the the same problem with the brake lights staying lit on my 2000 s10. The solution offered by joemac51 about replacing the HMCSL relay worked for me.




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If the problem is that the brake lights will not turn off, the problem is most likely the CHMSL relay. An easy check is to take the cover off the fuse block mounted on the driver's side fender well and swap the fog lamp relay with the CHMSL relay. If that fixes it, just get a new relay for the fog lamps and you're good to go. Note, my 2002 s10 does not have fog lamps, but it still had the relay populated in the fuse block.

Posted on Oct 04, 2008

  • Arthur Baker
    Arthur Baker Nov 29, 2014

    Been searching for this answer all afternoon, IT'S WORKING THANKS


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Thanks for your solution to my brake lights it worked

Posted on Feb 19, 2010

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Please can you tell me if the turn signal work.
And the emergency lights,
The push botton for the emergency lights is not wroken.
if yes try to move with something.
Because if you disconnect the brake switch and the lights still on. The problem could be the switch for the signals.
I'm reading the DIAGRAM for your lights.

Posted on Jul 25, 2008

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My front headligts, running lights, and running lights work on my 2002 chevy s-10 zr2 but my problem is my rear lights don't work nothing comes on my brake lights, turn signals, or running lights work. Any suggestions on how to fix this problem

Posted on Mar 06, 2010

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Thanks Joemac51. I had the same problem. Brake lights stayed on except for the third brake light which worked fine. I tried your fix and it worked. I seen your post on a number of sites as well.

Posted on Jan 26, 2010

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Posted on Jan 02, 2017

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SOURCE: My third brake light dosen't work on my chevy s10 94'

I had a similar problem with my 1994 S-10 LS extended cab. Both tail brake lights worked fine. I removed the 3rd brake light cover and tested for voltage at the steel center of the two rivets and found the positive (driver side) negative (passenger side) were good. I checked the two metal strips that send power to bulbs and found the positive side was open. Seems the flared side of the rivet was not making contact with the metal strip. I bucked the rivet with a punch and hammer and it took care of the problem.

Posted on Jun 23, 2009

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SOURCE: brake light on my chevy s10 blinks

this means you have an abs code 5 with means your abs is not working. check for codde and you may need a rear abs sensor or wiring problem at rear sensor.
please rate this

Posted on Feb 01, 2009

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SOURCE: chevy s10 brake caliper

Hey zach, no they are not reverse thread. They are most likely just very tight from the heat and cool cycles they go thru. Put your wrench on them and give it a few sharp raps with a ball peen hammer. That should break them loose enough to finish with the wrench.

Posted on Mar 02, 2009

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SOURCE: 1992 chevy s10 no brake lights or turn signals

Check the front and rear (although probably the rear) turn signal bulb socket for corrosion and/or water intrusion. If you find corrosion attempt to clean (but you will probably have to replace the socket and bulb). For water intrusion you will probably have to replace the break lamp assembly.

Posted on Aug 02, 2009

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SOURCE: need a wiring diagram for a chevy s10. brake

your power starts at the brake light fuse,check with a test light,then proceed to stop light switch on brake pedal under dash,one wire will be hot when when you check it with your test light, the other won't be until you press down the brake pedal then the power flows through to the second wire,if no power to second wire replace switch,if you have power remove tail light bulbs and check for power in side socket.

Posted on Nov 26, 2009

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