ABS light on, how to fix? 1991 4x4

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ABS light on, how to fix? 1991 4x4

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Blazer >> Mechanical & Maintenance >> General Tech Help >> 1st Gen S-series (1983-1994) Tech >> ABS light on, how to fix? 1991 4x4

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ABS light on, how to fix? 1991 4x4 - 3/7/2008 6:57:56 PM

tim_dean

Posts: 19
Joined: 12/21/2007
Status: offline

Hello, my ABS light is on (1991 s10 4x4 TBI, 4 door). I reset the ABS circuit/codes using a jumper wire, but it comes right back on as soon as it is powered up/started. Does this mean its the EBCM? Or is the BCM part of the engine ECM? Where do I go from here??

Thanks

Post #: 1

RE: ABS light on, how to fix? 1991 4x4 - 3/9/2008 9:04:33 AM

jamon8

Posts: 14
Joined: 3/3/2008
Status: offline

I want to know how to use the jumper wire and reset the abs

my light is on and I would like some info also

(in reply to tim_dean)

Post #: 2

RE: ABS light on, how to fix? 1991 4x4 - 3/19/2008 3:09:02 PM

tim_dean

Posts: 19
Joined: 12/21/2007
Status: offline

Anybody? Can someone tell me where the ABS brain (BCM?) is located at?

(in reply to jamon8)

Post #: 3

RE: ABS light on, how to fix? 1991 4x4 - 3/19/2008 4:07:46 PM

swartlkk

Posts: 15304
Joined: 5/1/2005
From: Waterloo, NY
Status: online

The ABS control module should be located on the side of the ABS unit itself.

What codes came up? Might point to what is wrong... Just a thought...

_____________________________

Kyle-

My Restoration Projects
Please Do Not PM for Tech Help

(in reply to tim_dean)

Post #: 4

RE: ABS light on, how to fix? 1991 4x4 - 3/20/2008 5:36:49 AM

jamon8

Posts: 14
Joined: 3/3/2008
Status: offline

how do you check abs codes

(in reply to swartlkk)

Post #: 5

RE: ABS light on, how to fix? 1991 4x4 - 3/20/2008 6:42:12 AM

rdhack

Posts: 75
Joined: 1/31/2008
Status: online

I bought a code checker for 29.99 and determined why my light was on. It was a faulty front wheel sensor. Usually there is a problem when that light stays on. While I still had normal brake operation I did not have 4WAL until I replaced the sensor. I suggest you figure out the problem - fix it - then reset the light to off. Or if you are happy with regular brakes just unplug the light.

I cannot remember where I purchased the code reader from but I simply did a google search and found one. They are complete with instructions and the list of problems for each code and are really easy to use. I thought it much better than connecting the terminals with jumper wires.

_____________________________

1982 GMC HighSierra Frame 4x4 with 1986 Chevy Silverado Body Restoration Project (Bermadine)
1995 Chevy 3/4Ton 2500 4x4 (Clifford)
1991 Chevy T-10 Blazer (Blaze)
1998 Oldsmobile Bravada (Bravo)
1994 Long Farmtrac 2460 (Betsy)

(in reply to jamon8)

Post #: 6

RE: ABS light on, how to fix? 1991 4x4 - 3/20/2008 6:44:06 AM

rdhack

Posts: 75
Joined: 1/31/2008
Status: online

Oh the brain plugin is below the steering column between your legs.

_____________________________

1982 GMC HighSierra Frame 4x4 with 1986 Chevy Silverado Body Restoration Project (Bermadine)
1995 Chevy 3/4Ton 2500 4x4 (Clifford)
1991 Chevy T-10 Blazer (Blaze)
1998 Oldsmobile Bravada (Bravo)
1994 Long Farmtrac 2460 (Betsy)

(in reply to rdhack)

Post #: 7