Question about 2004 Mercury Grand Marquis

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Need a replacement for a cruise control brake disconnect switch for 2004 Grand Marquis. I have shorted the old switch and CC engages fine. Can't find a replacement part though.

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  • Mercury Master
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Remember the Crown Vic is a sister car. Try Carparts.com for salvaged auto parts. They are a Nationwide Salvage association which offers to your door shipping and a choice of "found" parts at different prices. Searching for your part is free.

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Posted on Jan 06, 2013

  • Daniel Harrell Jan 06, 2013

    Thanks Fordexert still couldn't find with either model.

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They are availabe at www.rockauto.com if the picture below is the part in question.
Need a replacement for a cruise control brake disc - 1_6_2013_12_22_26_am.jpg

Posted on Jan 06, 2013

  • Daniel Harrell Jan 06, 2013

    Thanks Dennis Weid but it is a brake disconnect switch which has a plunger resting on the brake pedal assembly.

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moparownr
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SOURCE: 98 mercury grand marquis cruise control switch

Great!

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SOURCE: 1997 mercury grand marquis cruise control has been

contact your local ford lincoln mercury dealer they will make all recalls repairs that are outstanding.. chris

Posted on Jun 18, 2009

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SOURCE: 2000 grand marquis cruise control not working

Have seen this problem before. You need to look under dash at brake pedal and find a blue switch with plunger contacting pedal, disconnect connector and jump with a peice of wire and drive to see if cruise works and if it does replace deactivation switch this should get you going.

Posted on Aug 26, 2009

dttech
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SOURCE: heater and airconditioner control on mercery grand marquis

If the fan will not run on ANY speed in your Grand Marquis, the problem is most likely NOT the control switch.

Check for power and ground at the blower motor connector. If power and ground is present, replace the blower motor. Otherwise, the problem is most likely a failed blower speed control module (VERY common). The blower motor speed controller is located in the A/C evaporator housing just below the heater hoses.

Note: It is also common for a bad blower motor to CAUSE the controller to go bad. You MAY have to replace BOTH.

Posted on May 17, 2012

  • 1 Answer

SOURCE: 2004 grand marquis cruise control

How do I find the replacement for the cruise control brake disconnect switch for the 2004 Grand Marquis? I have disconnected and shorted and CC engages fine. Can't find a replacement part though.

Posted on Jan 06, 2013

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1 Answer

Cruise control notworking on a 2002 F150


cruise controls are controlled by the following switches and sensors
1 the switch itself
2-- the clutch pedal sensor or the VSS in the auto transmission
3 the brake sensor ---4-- the gear change switch or selector
5-- the engine speed sensor ( tacho)
6-- the road speed (VSS )
if 1 or a combination is not working or is outside parameters , the cruise control will not switch on
the road speed in a manual is set at around 20 mph and any less will not engage cruise control(CC)
changing gears in a manual will disengage CC
touching the clutch pedal will not allow engagement or will disengage CC
for some sensors run the fault codes

Nov 05, 2015 | 2002 Ford F150 Regular Cab

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Cruise Control


Voltage from the brake light switch deactivates the cruise control . Have an assistant press on the brake pedal while you check that the brake lights are working properly. Brake lights that dont come on or dont shut off need to be fixed and go from there. Sorry if this doesnt answer you question but I thought i would give it a try.

Feb 07, 2014 | 1997 Mercury Grand Marquis

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Cruise control isn't working


I've seen this twice, once on my van and once on a friends car and both had to do with the brake switch or switch wiring. The brake switch is used to disengage the cruise control and if the switch is activated you won't get the cruise control function. You may see the CC light come on very briefly and go right off again in the switch situation as mine did, which came on the heals of the dealership working behind the dash. If I remember correctly a wire was broken on the brake switch connector. It could also be a maladjusted switch. Another area to consider is a correct speed sensor reading which tells the CC that you are at a minimum speed for engaging the CC. Beyond that it can get complicated if it's not a fuse or linkage connection issue.

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2 Answers

2004 grand marquis cruise control will not engage


How do I find the replacement for the cruise control brake disconnect switch for the 2004 Grand Marquis? I have disconnected and shorted and CC engages fine. Can't find a replacement part though.

Dec 22, 2010 | 2004 Mercury Grand Marquis

3 Answers

My Cruise control quit working in my 2005 Ford F-150 what could it be? I have checked the fuse box and it doesn't tell me what fuse it is. What can i do to fix it?


Did you replace your stop / turn lamps & CHMSL ( Center High Mount Stop Lamp ) with LED lights ?

If so, the truck sees this as the brake lamps are out, and the CC will not work.

The 2 items that are serviceable without a NGS computer ( high end scan and test gear ) is the on / off switches and the CC disconnect switch on the brake pedal.

1. The on / off switch, does the horn still work ? Thinking maybe clock spring here.

2. The CC disconnect switch is on the top of the brake pedal ( not the brake pedal position switch / shift interlock lower on the pedal- this has 2 wires to it ). Test with a meter if the CC disconnect switch turns on and off.
6decf8a.jpg

The remainder of the Cruise Control system is integrated into the throttle by wire system, no cables or vacuum lines specific to the CC.

Mar 21, 2010 | 2005 Ford F-150

2 Answers

Will not engage no other problems rides fine but when i hit the switch and set speed nothing happens


Faulty switch on brake pedal that shuts cruise control off when applying brakes

Oct 09, 2009 | 2004 Mercury Grand Marquis

3 Answers

2003 Honda accd Cruise control power won't stay on


With the car turned off and the battery disconnected, root around under the dash and find the wiring harness that comes down from the steering column. You may have to remove a dash panel or two to get at it. It should be connected to the car's main wiring harness with a plug of some sort. Disconnect the plug.

Using a multi-meter set to test continuity, test pairs of pins in the connector from the steering column, pressing the CC switch with each pair, until you find the pair that come from the CC switch.

Isolate the wires for these two pins behind the plug and scrape away a tiny bit of insulation with a knife blade, being careful not to cut through the wire. Test the wire pair again to be sure you've got the CC switch wires.

Cut the wires, leaving several inches of wire above the plug to work with. Using a good quality crimp connector (or soldering, if you know how and have the equipment), connect the two wires you just cut loose (the two coming from the plug, not the steering column).

Make sure there are no bare wires *anywhere* when you're done. Cover everything with heat shrink tubing or electrical tape, then use a tie-wrap to bind all the wires together again. Return the wiring harness to where you found it and re-install any dash panels you had to remove.

Reconnect the battery and go for a drive. The CC switch will be totally out of the circuit, but your CC should be permanently turned on.

Now here's the fun part. You'll have an extra momentary-contact switch on your steering wheel that's not doing anything. Just think of the possibilities... You could use it for an auxiliary air horn like on a semi-truck, or you could wire it into your brake lights so you could screw with tail-gaters without actually stepping on the brakes. Look for the switch somewhere on your brake pedal assembly and add two wires from the old CC switch to the contacts on the brake pedal switch.

Sep 09, 2009 | 2003 Honda Accord

1 Answer

2000 grand marquis cruise control not working


Have seen this problem before. You need to look under dash at brake pedal and find a blue switch with plunger contacting pedal, disconnect connector and jump with a peice of wire and drive to see if cruise works and if it does replace deactivation switch this should get you going.

Aug 25, 2009 | Mercury Grand Marquis Cars & Trucks

1 Answer

Cruise Control - 2000 Mercury Grand Marquis LS - not working


Your manual should tell you that. Also check your brake light switch by the brake pedal. It also disengages the cruise. If it is bad the cruise will not work but the brake lights may still work.

Jul 03, 2009 | 2000 Mercury Grand Marquis

1 Answer

Cruise Control Issue


The most common solution is to replace the brake light switch . The switch has 3 sets of contacts one set is for the cruise control. If the cruise control part is at fault the cruise control will not engage. The switch typically costs from 10 to 15 dollars.

Oct 01, 2008 | 2004 Dodge Intrepid

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