Cruise Control problem
Posting Guru
Joined: Aug 2012
Posts: 1,678
Likes: 1
From: Central Tx.
The 1st is the brake Master Cyc pressure switch. Do you have a short jumper installed or is plugged into the main harness directly ?? Is the pressure switch wet/leaking ?? You can test the fuss-able link patch (if you have one) by removing it & plug in directly. If you do not have one get one & a new pressure switch
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Freshman User
Joined: Feb 2016
Posts: 26
Likes: 0
From: Chicago
The 1st is the brake Master Cyc pressure switch. Do you have a short jumper installed or is plugged into the main harness directly ?? Is the pressure switch wet/leaking ?? You can test the fuss-able link patch (if you have one) by removing it & plug in directly. If you do not have one get one & a new pressure switch
I removed it and tested the plug for continuity, which it had. From all the research I have done is that if it has continuity than it should not be the problem. Am I correct in thinking this?
Thanks!
Posting Guru
Joined: Aug 2012
Posts: 1,678
Likes: 1
From: Central Tx.
That I do not know. You should strongly conciser buying the jumper/fuseable link. It was a recall FIX to keep the trucks from burning to the ground 
. I think the switch & jumper are sold as a pair on amazon for around $28..
. I think the switch & jumper are sold as a pair on amazon for around $28..
Cargo Master
Joined: Jan 2008
Posts: 2,566
Likes: 18
From: The Great White North!
Try the main plug on the cruise servo under the hood.
Some have corroded and not working properly. A good cleaning fixed their issues.
I ended up replacing mine a few years back when things were not working.
Some have corroded and not working properly. A good cleaning fixed their issues.
I ended up replacing mine a few years back when things were not working.
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Freshman User
Joined: Feb 2016
Posts: 26
Likes: 0
From: Chicago
Would a vacuum line actually make it so that the cruise light doesn't even come on?
Senior User
Joined: Apr 2009
Posts: 194
Likes: 0
From: South Carolina
Vacuum Leak
My recollection is that it did not give me a light since it would not engage. Unfortunately it has been a while so I am uncertain about the light but certain the problem, in my case, was vacuum.
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Cargo Master
Joined: Mar 2011
Posts: 2,066
Likes: 4
From: North Texas
I'm telling the truth when I say your cruise can set a code without turning on the light. I have a vehicle in my driveway with that exact symptom right now. It is the cruise/ABS pressure switch on the master cylinder on mine and it has a cruise control circuit high fault when reading codes, but the light on the dash is not on. The auto parts stores read them free and it might show on theirs. It is free to check....
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Freshman User
Joined: Feb 2016
Posts: 26
Likes: 0
From: Chicago
Ok so I ran by a auto parts store and they said they can only pull codes if the SES light is on.
On the way there and back I was able to get the cruise light to come on at 25 MPH and the light would stay on until I went under 25 MPH or whenever I touched the brake. However, the cruise control didn't actually work.
On the way there and back I was able to get the cruise light to come on at 25 MPH and the light would stay on until I went under 25 MPH or whenever I touched the brake. However, the cruise control didn't actually work.
Mountain Pass
Joined: Feb 2015
Posts: 137
Likes: 2
From: Denver
Just wanted to post a thanks to the thread..... With the comments in here, I fixed my cruise control problem for $25 and a used cruise control servo from the junk yard..... It's been a few days now and working perfect.... Thanks Again......
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