Cruise control(Replaced brake control still doesn’t work) - Chevy and GMC Duramax Diesel Forum
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post #1 of 28 (permalink) Old 07-06-2019, 05:02 PM Thread Starter
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Cruise control(Replaced brake control still doesn’t work)

Iv replaces brake controller and the trailer brake controller. Any other ideas.

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 28 (permalink) Old 07-06-2019, 05:12 PM
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Quote:
Originally Posted by knightstilepro View Post
Iv replaces brake controller and the trailer brake controller. Any other ideas.
Most of the time these sort of issues are caused by a bad ground somewhere. You live where they salt the roads, that exacerbates the ground issues.

2008 Silverado 2500HD CCSB LTZ Diesel
FASS 95 Lift Pump (with Baldwin filters), Edge Insight CTS Monitor on a Windshield Mount, Nicktane Fuel Filter Adapter w/ CAT 306-9199 UHE tertiary fuel filter, Bilstein 5100 Stock Height, Bushwacker Bed Rail Caps, AMP Research Bedstep, Fumoto oil drain valve, Dorman PS Oil cooler, Pioneer AVIC 7200NEX GPS/Stereo, Air Lift LoadLifter 5000 Air Bags.
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post #3 of 28 (permalink) Old 07-06-2019, 08:33 PM Thread Starter
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Quote:
Originally Posted by knightstilepro View Post
Iv replaces brake controller and the trailer brake controller. Any other ideas.
Most of the time these sort of issues are caused by a bad ground somewhere. You live where they salt the roads, that exacerbates the ground issues.
Any particular grounds I should look for? I live in Michigan so definitely have a lot of salt.

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 28 (permalink) Old 07-07-2019, 06:20 AM
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Garage
Did you check the main fuse under the hood?

2006 SIERRA CC SB 2500HD 6.6 LBZ 179,000 and ticking
3" MBRP Down Pipe
4" Diamond Cat Back
5" SS tip
Edge CTS2
Intake resonator Plug
EFI LIVE DSP5 by ATP via BBP
AIRDOG2
Interior lighting to BLUE LED conversion
285/75/16
Leveling keys POWERSTOP Brakes.
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post #5 of 28 (permalink) Old 07-07-2019, 07:38 AM Thread Starter
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Originally Posted by rock4xfab View Post
Did you check the main fuse under the hood?

What fuse is that?

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 #6 of 28 (permalink) Old 07-07-2019, 08:24 AM Thread Starter
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I will add that I have a flat bed with aftermarket led lights. It worked before then it would work intermittent now nothing at all.

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 28 (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 #8 of 28 (permalink) Old 07-12-2019, 07:57 PM
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Quote:
Originally Posted by knightstilepro View Post
What fuse is that?
LOOK in the under hood Fuse Panel for a fuse marked Trailer LAMP RH

2006 SIERRA CC SB 2500HD 6.6 LBZ 179,000 and ticking
3" MBRP Down Pipe
4" Diamond Cat Back
5" SS tip
Edge CTS2
Intake resonator Plug
EFI LIVE DSP5 by ATP via BBP
AIRDOG2
Interior lighting to BLUE LED conversion
285/75/16
Leveling keys POWERSTOP Brakes.
rock4xfab is online now  
post #9 of 28 (permalink) Old 07-12-2019, 08:45 PM
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I have a new to me 08 1500 GMC and the cruise control works intermittently... what I have found is if I place the toe of my boot behind the brake pedal pull it towards me just one time the cruise control will set and work fine until I use the brakes again. I'm guessing after 192000 mile the brake light switch is a little weak and needs to be replaced.



Andy

'04 Chevy 3500 LT EC/LB DRW LLY
Old Man Cashmere
19.5 American Force Wheels
AFE Mouth Piece
PVC Reroute
340,000 Miles
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post #10 of 28 (permalink) Old 07-13-2019, 08:01 AM Thread Starter
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Quote:
Originally Posted by 04DmaxSaralandAL View Post
I have a new to me 08 1500 GMC and the cruise control works intermittently...… what I have found is if I place the toe of my boot behind the brake pedal pull it towards me just one time the cruise control will set and work fine until I use the brakes again. I'm guessing after 192000 mile the brake light switch is a little weak and needs to be replaced.



Andy <img src="https://www.duramaxforum.com/forum/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" />

I already replaced the brake switch.

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  
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