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ABS and Brake light come on

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Old 02-24-2012, 08:42 AM   #1
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ABS and Brake light come on

i have a 2000 chevy s10 ZR2 and after i drive for a few minutes the ABS and brake light come on simultaneously and stay on until i restart the vehicle. i just replaced both the wheel bearings and that should have fixed why the ABS light was coming on. could i get some help on this one please?
Old 02-25-2012, 01:33 AM   #2
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Re: ABS and Brake light come on

I have the same 2 lights on in my 03 s10 4.3 zr2. For me the issue is the ebcm (electronic brake control module. Over 1000 from the dealer, but 125 on ebay. With mine and most likely yours, whenever those lights are on, i dont have abs. So be careful.
Old 02-25-2012, 11:30 AM   #3
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Re: ABS and Brake light come on

Could be a wheel speed sensor as well.
Old 02-25-2012, 03:57 PM   #4
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Re: ABS and Brake light come on

isnt the wheel speed sensor in the wheel bearing?
Old 02-25-2012, 05:04 PM   #5
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Re: ABS and Brake light come on

There's two grounds under your Air Filter assembly, next to the radiator. Unbolt them, clean the rust and other stuff of it, and bolt them back in with some dielectric grease. One is a direct ground for the brake module, and the other is some ground that you might as well clean while you're down there.

This has solved the same issue that you're having on my truck for the past 6 months.
Old 02-25-2012, 05:07 PM   #6
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Re: ABS and Brake light come on

Quote: Originally Posted by may22
isnt the wheel speed sensor in the wheel bearing?
No.

Is is in there behind everything.

Looks like this:

http://www.autozone.com/autozone/par...=101186_0_4222_
Old 02-26-2012, 05:03 AM   #7
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Re: ABS and Brake light come on

it is fairly common to break the speed sensor and / or the wiring when replacing wheel bearings....
Old 02-28-2012, 05:02 PM   #8
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Re: ABS and Brake light come on

i will try and clean up the grounds and see it that works. i bought new hub assemblies so that shouldnt be the problem
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