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    • By jkrosky
      I have a 2017 Chevy Silverado 3500 HD High Country with 6.6 diesel equipped with tow package.  It has dedicated trailer brake and trailer fuses within the primary fuse box under the hood.  My passenger side trailer blinkers and brake lights are not working.  I've traced the lack of 12v power all the way up to the 10a fuse dedicated to the right side trailer brake/signal light (fuse #17).  I have replaced the fuse, re-tested, and still no power.  The left side trailer brake/signal light (fuse #14) has 12v power going to it, tested on the top of the fuse when the flashers are on, but the right side has nothing.  I've also swapped and then replaced the trailer parking lights relay switch (relay #63) and still nothing.  Is this most likely an issue with fuse box or something else supplying power or ground to the fuse box?  Thanks for the help... this is the craziest thing.
    • By dwchapmanjr
      2015 GMC Yukon Denali - 32k miles (6.2L + 8spd).  I don't normally do highway speed but noticed yesterday that I had a slight pedal vibration when doing so and it only seems to happen at 60+ mph.  My daily drive is under 40mph and no vibrations there.  I'm assuming its likely a rear rotor since I don't feel it in the steering wheel.
      I looked back on my records and it appears front brakes were at 7mm a year ago and rear at 4mm.  Both in the "green" according to dealer.  I'm not sure if its an eyeball check and they just mark good or if they actually measure but it was 10k miles ago and a year so I likely need new pads.

      All this to say, with this life and mileage is anyone seeing pad life and possibly rotor life exhausted so quickly?  This is a heavy vehicle and the 6.2L gets it up to speed quickly and it does seem to take a lot more to stop it(always this way so I don't think its the vacuum recall).
      If anyone is getting a 4 wheel brake job at the dealer, what has it run you?  Mine is running a special for $139 per axle for pads and $189 per axle for rotors but I'm hoping if it is a warped rotor I only need 1 pair.
      Also noticed this on the front passenger rotor.  Is that defined of a groove normal?  To the touch it doesn't feel grooved.

      Tire inflation is normal.
    • By CraCra
      2006 GMC Savana 4.8 L 2500.
      Failed braking system, power steering pump. My Power steering pump went out along with braking. originally diagnosed as a combo hydroboost/power steer problem, so a new hydro boost was installed. Also replaced master cylinder and replaced 4 power steering pumps, the last one was an AC Delco which has lasted the longest, 3 days. One of the problems has been pedal kickback which is still going on. Was thinking it was the wheel sensors so I disconnected the ABS but still have a slight problem with pedal kickback not as bad as it was before, but still have it.
      Any ideas?
    • By GerryLittle20
      I don't know much about vehicles, or forums at that. I know enough obviously to have looked up & changed out the shift column mechanism. Now for some reason when Im at slow speeds my brakes are wanting to lock up? Could this have something to do with something not being plugged back in right or? Im lost on this one. 
    • By Ed10000
      My 2018 GMC Sierra SLT with e-Assist stutters intermittently when cold and backing up with foot applying lite pressure to the brake. It also does this at times when going forward. It has 14K miles but it has done this since about 3K miles. I finally took it in for diagnosis today. They were able to reproduce the problem.  They scratched their heads for a while before concluding that the brake pads and rotors were glazed.  This seems unlikely and I would appreciate learning if others have experienced this problem and how it was resolved. I am thinking it’s a problem with the e-assist trying to decide to stop the engine or not.
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