Question about 1998 Mercury Grand Marquis

Cruise control not working - 1998 Mercury Grand Marquis

1 Answer

Brett Duxbury

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Mercury Master
4,290 Answers

Check cruise control cable under hood is tight enough to pull throttle arm.
Check brake pedal . see if wires to cruise control are still attached to switch on brake pedal.
Check magnets are still on drive shaft if rear wheel drive.
Check hall effect transducer is still in place to dedect magnets spinning on drive shaft.
Check Vacuum tubing is ok on cruise control it pulls the cable in and out .
Check if ignition sensing that wire is connected that senses ignition pulses ( front wheel Drive)
Check if a speed sender device is used on speedo cable to create pulse (front wheel drive ) sometimes used to sense speed on some cruise controls.
Check wiring around plugs and sockets under bonnet.

Posted on May 27, 2015

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Light for cruise not coming on and cruise not working

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TROUBLESHOOTING WHY YOUR CRUISE CONTROL DOESN'T WORK

There are many things that can cause your cruise control to act up or not work at all. This article will lead you in the correct direction on finding a solution to your problem. This article is for any type of vehicle. If your cruise control won't hold proper speed, you need to look at the following parts. <ol> <li>Faulty Cruise Control</li> <li>Faulty Speed Sensor</li> <li>Faulty Vacuum or Vent Valve</li> <li>Faulty Stepper Motor</li> <li>Faulty Transducer</li> <li>Incorrect Cable Adjustment</li> <li>A Binding Throttle Linkage</li> <li>Leaking Vacuum Tank</li> <li>Leaking Vacuum servo diagram</li></ol> If your cruise control surges, check the following parts. <ol> <li>Faulty Cruise Control Module</li> <li>Faulty Speed Sensor</li> <li>Binding Throttle Linkage</li> <li>Kinked Speedometer Cable</li></ol> If your cruise control cuts out on you, check the following parts. <ol> <li>Faulty Transducer</li> <li>Faulty Cruise Control Module</li> <li>Short or Open Circuit in Cruise Control</li> <li>Brake or Clutch Switch Adjusted too tight</li></ol> If your cruise control doesn't work at all, check these parts. <ol> <li>Faulty Cruise Control Module</li> <li>Short or Open Circuit in Cruise Control</li> <li>Faulty Clutch or Brake Switch</li> <li>Leaking Vacuum Circuit</li> <li>Faulty Stepper Motor</li> <li>Faulty Speed Sensor</li> <li>Faulty Transducer</li> <li>Faulty Cruise Control Switch</li> <li>A Blown Fuse</li></ol>

on Jul 20, 2011 | Ford F-150 Cars & Trucks

1 Answer

Cruise control not working

cruise controls are dependent on the following sensors all working together
brake sensor
clutch sensor
auto--vehicle speed sensor
rpm's sensor
fuse for the cruise control
cruise control switch either or all not working will stop the cruise control from engaging
road speed at which you can engage the cruise control has to be above a reset speed before it will cut in and work

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1 Answer

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cruise control starts working above 50kmh, so if your under that it wont work. the cruise servo may be at fault, or I have seen battery acid leak down on the vacuum lines causing cruise not to work correctly. cruise control works off of a vacuum so without it, it wont work. if the cruise light doesn't turn on when pressing the set/cruise button intermitantly it may be the switch itself that is starting to fail

Apr 24, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

CRUISE CONTROL WON'T WORK ON 2005 CHEVY TRAILBLAZER

check cruise control fuse and check the brake lights see if brake light working because the brake light switch will deactivate cruise control when brakes is applied.if brake lights dont work either fuse blowed or switch bad.if all is good have vechicle code scan because cruise control control by PCM and vechicle speed sensor and thottle actuator control motor.

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3 Answers

Crusie control does not work on 2011 gmc sierra 1500 and I've already replaced the switch?

If the switch is replaced,then it can be wiring issue or faulty cruise control board.But as the switch is replaced,get the voltage at the switch tested to confirm the switch is actually receiving voltage.If no voltage received at switch power supply wire then ,apply external 12 volt power to the cruise control switch wire and then see if cruise control comes ON.If yes,then you know wiring is issue.
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On this case, to troubleshoot this problem, there are solved help links. Click the link directly and refer the details to solve this problem yourself, with help of diagrams: ------

Ford ranger cruise control not working? http://technoanswers.blogspot.in/2012/02/ford-ranger-cruise-control-not-working.html

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Horn and Cruise control quit working?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html

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Horn and cruise control not working on Plymouth Grand Voyager?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html

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Horn and Cruise control quit working on 2003 Jaguar S-Type?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working-on.html

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Cruise Control stops working, Excessive cranks to start the engine and RPM goes max 2500

http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html

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Cruise control stop working on 1994 Ford ranger?

http://technoanswers.blogspot.in/2012/02/cruise-control-stop-working-on-1994.html

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Cruise control not working?

http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html

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1996 Ford Explorer: Cruise Control Wiring Diagram?

http://schematicsdiagram.blogspot.in/2012/06/1996-ford-explorer-cruise-control.html

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These will help.

Thanks.

Nov 28, 2012 | GMC Cars & Trucks

2 Answers

Cruise control not working

On these case,to troubleshoot these problem,there are solved help links.Click the link directly and refer the details to solve these problem yourself,with help of diagrams:------
Ford ranger cruise control not working?

http://technoanswers.blogspot.in/2012/02/ford-ranger-cruise-control-not-working.html

----------- Horn and Cruise control quit working?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html

--------

Horn and cruise control not working on Plymouth Grand Voyager?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html

------------------
Horn and Cruise control quit working on 2003 Jaguar S-Type? http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working-on.html

-------------
Cruise Control stops working, Excessive cranks to start the engine and RPM goes max 2500 http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html

----------
Cruise control stop working on 1994 Ford ranger? http://technoanswers.blogspot.in/2012/02/cruise-control-stop-working-on-1994.html

----------
Cruise control not working? http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html

--------------
1996 Ford Explorer: Cruise Control Wiring Diagram?

http://schematicsdiagram.blogspot.in/2012/06/1996-ford-explorer-cruise-control.html
----------
These will help.
Thanks.

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2 Answers

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Cruise controls can cease to engage if the clutch or brake light cruise switch are out of adjustment. If this happens, try placing you foot under the clutch pedal (if equipped) and lift up on it (toward you) and hold it while engaging the cruise. If it now works, it will likely cut out when you remove your foot from under the pedal. Check the brake pedal in an identical fashion. Adjusting the switch at the pedals can often solve he problem. Some vehicles (Honda, Acura, Ford, to name a few) have a plastic insert that mounts in the pedal arm which presses against the switch. These can become brittle and fracture into pieces. My Acura has little pieces of blue plastic on the floorboard around the brake pedal one afternoon and I noticed the cruise didn't work. It was the pieces of the insert that had come to pieces preventing the cruise from coming on. I replaced the insert and no more problem with the cruise.

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1 Answer

Cruise control don't work

To troubleshoot your problem,there are few help links,provided below.Click the link directly and follow the procedure to confirm the fault.So as per that you can continue further in repairing this issue of cruise control not working.
The direct help links are as follows :-----cruise control not working?

http://technoanswers.blogspot.in/2012/02/ford-ranger-cruise-control-not-working.html
-----------Horn and Cruise control quit working?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html

--------------
Horn and cruise control not working on car?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html

------------
Horn and Cruise control quit working suddenly?

http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working-on.html

----------

Cruise control stop working ? http://technoanswers.blogspot.in/2012/02/cruise-control-stop-working-on-1994.html

---------

ford ranger cruise control not working? http://technoanswers.blogspot.in/2012/02/2005-ford-ranger-cruise-control-not.html

-------------

My Cruise control not working? http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html