Chevrolet Suburban Brake and ABS lights on?

This problem occured along with some other electrical issues at the same time. The apparent solution seems too simple but it worked for me after another owner I found here provided the suggestion.

There is a small ground wire that bolts to the top rear of the engine block. It can be found after removing the engine cover and looking on the passenger side of the manifold assembly. The wire comes out of the harness and goes to this block connection. I removed the connection, cleaned the surfaces and replaced. The electrical issues included the ABS/parking brake dash lights went away.

I know this sounds too minor but if it works it is better than throwing money away.

I have posted my electrical problems and this solution in another thread here as I have found there are other owners with the same or similar issues.

Good luck.

Replies to this message:

fr8slate (Jul 19, 2009 5:29 pm)
- 1967chevy (Oct 12, 2009 5:54 pm)
crazymom45 (Sep 27, 2009 8:47 pm)
revn57 (Sep 11, 2011 9:21 pm)

#4 of 10 Re: Brakes [Houston1954] by fr8slate

Jul 19, 2009 (5:29 pm)

Replying to: Houston1954 (Feb 23, 2009 10:09 am)

Same ABS/Brake light on 01.Thanks for the help-

Replies to this message:

1967chevy (Oct 12, 2009 5:54 pm)

#5 of 10 no brake lights on GMC Jimmy by billabongbay

Aug 24, 2009 (1:37 pm)

I have a 1997 GMC Jimmy and the brake lights dont come on when the brake pedal is applied.The emergency flashers work and the fuse is good.All other (int. and ex.) lights work??????? Any members out there have any ideas?

Replies to this message:

kiawah (Aug 24, 2009 1:44 pm)

#6 of 10 Re: no brake lights on GMC Jimmy [billabongbay] by kiawah

Aug 24, 2009 (1:44 pm)

Replying to: billabongbay (Aug 24, 2009 1:37 pm)

Check the brake switch, under the dash, on the brake pedal.

#7 of 10 Re: Brakes [Houston1954] by crazymom45

Sep 27, 2009 (8:47 pm)

Replying to: Houston1954 (Feb 23, 2009 10:09 am)

I just had the shop clean that ground wire and it worked for a month. The ABS & Brake light started today coming on when i start the car and stayed on. I can turn car off and start it later and there is a chance they won't be on. The problem is intermittent. Does anyone have any other solutions?

#8 of 10 Re: Brakes [fr8slate] by 1967chevy

Oct 12, 2009 (5:54 pm)

Replying to: fr8slate (Jul 19, 2009 5:29 pm)

i just did the same on my 01 hope it lasts, i also was told it could be a wheel sensor . i have slammed on the breakes when the lights were on it stoped fine with out locking up any wheels .

#9 of 10 Re: Brakes [quejo] by ckernick

Jan 12, 2011 (7:40 pm)

Replying to: quejo (Feb 06, 2009 3:21 pm)

2001 Suburban abs and break light comes on intermittently. Replaced all 4 shock absorbers. Problem disappeared. Hope this help someone. Dealer wanted 1400 dollars to replace computer. Charged me 45 dollars to tell me this. Why can't the dealer analyze this problem correctly?

#10 of 10 Re: Brakes [Houston1954] by revn57

Sep 11, 2011 (9:21 pm)

Replying to: Houston1954 (Feb 23, 2009 10:09 am)

I had the dash board go nuts in my suburban. You saved me alot of time and money. The ground wire was broken off the engine block. Thank you for posting this info.

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