- Aug 1, 2014
- 26
The ABS/BRAKE warning lights were lit on my 2002 Trailblazer dashboard for a long time now so I had the ASE Master Mechanic at my work run his expensive computer scanner on TB. It said there was problem in the power circuit for the ABS system. He made a few suggestions, including cleaning the infamous ground wire to the frame underneath the driver's door. I did that with a wire wheel in my drill & didn't fix it.
Finally after several different tests, found that the red positive wire from the fuse block to the 2-wire power harness that connects to the ECBM had a corroded spot in the middle of it.
I cut the red positive wire about 4 inches from the power harness & from the fuse box....... fluxed, soldered, heat shrunk, then used 3M tape for extra measure on the new wire & started the TB, cleared dashboard.
Finally after several different tests, found that the red positive wire from the fuse block to the 2-wire power harness that connects to the ECBM had a corroded spot in the middle of it.
I cut the red positive wire about 4 inches from the power harness & from the fuse box....... fluxed, soldered, heat shrunk, then used 3M tape for extra measure on the new wire & started the TB, cleared dashboard.