Service brake system, trailer brake, 4 wheel, servurty light on - Chevy and GMC Duramax Diesel Forum
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post #1 of 12 (permalink) Old 07-09-2019, 07:20 AM Thread Starter
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Service brake system, trailer brake, 4 wheel, servurty light on

It’s a ghost truck. Having all these issues pop up in the last week. Ground issue? Where should I look?

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
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post #2 of 12 (permalink) Old 07-09-2019, 10:12 AM
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Mine does some of this but only when it's wet. Was told it's a bad wheel speed sensor. Haven't replaced it yet so not sure if that's correct.

2016 Chevy Duramax pretty much stock
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post #3 of 12 (permalink) Old 07-09-2019, 10:21 AM Thread Starter
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Quote:
Originally Posted by jcalaustex View Post
Mine does some of this but only when it's wet. Was told it's a bad wheel speed sensor. Haven't replaced it yet so not sure if that's correct.

2016 Chevy Duramax pretty much stock
That’s gotta be extremely irritating with a newer truck like that. Well hopefully we both can get it figured out. I would hate to take it in but I might have to.

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
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post #4 of 12 (permalink) Old 07-12-2019, 04:00 PM Thread Starter
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Bump

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
knightstilepro is offline  
post #5 of 12 (permalink) Old 07-12-2019, 08:54 PM
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Service trailer brake system:

https://www.duramaxforum.com/forum/2...ke-system.html

https://www.duramaxforum.com/forum/t...ke-system.html

Gerry

2015 Chevy Silverado 3500HD SRW CCSB 4X4 LTZ Z71
LML, 6 Spd Allison, 2nd owner and my First diesel ever, B&W Turnoverball Goose Neck,
Pace Edwards BedLocker Tonneau Cover, Sulastic Shackles, Tinted Windows, Hellwig Rear Sway Bar(TheBigWig),
Airlift Ultimate 5000 Airbags with Wireless Air, Fass Titanium 150GPH Lift Pump, AVS Bug/Hood Protector, Autocal, Edge Insight CS2

Soon to get: maybe more tint, Anderson Ultimate 5th Wheel Connection, LED Lightbar or Flood Lights, Train or Air Horn
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post #6 of 12 (permalink) Old 07-13-2019, 09:03 AM Thread Starter
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The trailer brake seems to be working now. I keep getting the brake and 4 wheel drive now and a constant security light. I check the grounds and used a wire brush and reconnected them with grease. I’m clueless.

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
knightstilepro is offline  
post #7 of 12 (permalink) Old 07-15-2019, 06:17 PM Thread Starter
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Location: Kansas City, mo
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Bump

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
knightstilepro is offline  
post #8 of 12 (permalink) Old 07-15-2019, 06:39 PM
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Location: Michigan
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Have you tried Mikes Diesel Performance in Jackson. I have never used them, but have checked their website, looks like a decent shop.

269 Bob
2019 Chevy 2500HD Midnight Edition
SW Mich.
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post #9 of 12 (permalink) Old 07-15-2019, 06:50 PM Thread Starter
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Quote:
Originally Posted by 269_Bob View Post
Have you tried Mikes Diesel Performance in Jackson. I have never used them, but have checked their website, looks like a decent shop.

I bought my turbo after my stock one failed from mdp in Jackson and installed it myself. I would definitely take it to them but I’m trying to figure it out on my own. I don’t have a lot of spare cash right now and they are not cheap just like any diesel shop. I appreciate it tho.

2008 Chevy 3500 6.6l lmm
Airdog 4g lift pump
Wcfab ybridge and egr delete.
Edge monitor with egr probe
PPE RACE FUEL VALVE
Efilive by Cory Willis and switch
Flatbed with Hydraulic hayspear
3 inch lift, lifts for less.
PVC re route
65mm upgraded turbo
51 gallon aux tank
knightstilepro is offline  
post #10 of 12 (permalink) Old 07-15-2019, 09:19 PM
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I would bet it's a wire touching, uninsulated, or a bad ground somewhere. I would start with the trailer plug in the rear and work your way up to the front.

NIC R
"Flat Back Gorilla" Daily/Tow rig- 04 GMC Sierra LB7 CC Flatbed/Tune/Exhaust
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