Brake System Ground Wires - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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Old 05-08-2019, 10:19 PM
The Pope The Pope is offline
Junior Member
2004 GMC Envoy SLT
Midnight Blue Metallic 4.2L I6 4X4
Join Date: Jul 2016
Location: Indianapolis, IN
Posts: 6
Brake System Ground Wires

I have the " Service Brake System" gremlin light and chimes on. I've already replaced the hub assemblies, and cleaned the two grounds under the driver's side frame. My understanding is there is a ground that goes to the back of the engine on other GMC/Chevy trucks, however I was unsuccessful in finding that.

I would appreciate if someone could point me in the right direction. Many thanks in advance!
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Old 05-15-2019, 08:31 AM
TB-Al's Avatar
TB-Al TB-Al is offline
2007 Chevy TrailBlazer LS
Graystone Metallic 4.2L I6 2WD
Join Date: Nov 2017
Location: Pleasure Island, Al.
Posts: 321
What are the codes?
"It is useless to do with more what can be done with less." William of Occam
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