Question about Ford Crown Victoria

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No brake lights, upper or lower - flashers work and speed control work all on same fuse circuit. Speed control will not disengage with brake pedal either. Solution or defective part?

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  • Steve Kemppainen Feb 11, 2013

    Did that & it didn't work!!!!!! HELP!!!!

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  • Master
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If the brake lights aren't working, but the bulbs and fuse are good, then check for a defective brake light switch. It should be below the brake pedal. When the brake pedal is depressed it activates the switch, which turns on the brake lights. The switch can be tested with an ohm meter or multimeter. If defective, replace. Hope this helped and best wishes.

Posted on Jul 28, 2009

  • Steve Kemppainen Feb 11, 2013

    Hey there Bruce.....what shld i do if tht don't work??? just replaced the switch & still nothin!!

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2 Answers

Cruise control


Open fuse or defective speed sensor

Jul 14, 2017 | Ford Ranger Cars & Trucks

1 Answer

Cruise control stop working light dont show on dash can a fuse be out if so where is it located


There are three fuse's in the smart junction box , do you know where it is ? It's under the dash panel left side ! The fuse's are F2.27- 10amp , F2.32 - 10amp , F2.17 - 15 amp . They power the speed control servo ! Maybe the control switch's on the steering wheel don't work.
A little back ground on the system ! Speed Control The vehicle speed control system consists of the following components:
  • Brake pedal position (BPP) switch
  • Speed control actuator cable
  • Speed control switches
  • Speed control deactivator switch
  • Speed control indicator
  • Speed control actuator
  • Smart junction box (SJB)
  • Principles of Operation
    The speed control system is designed to maintain vehicle a set speed above 48 km/h (30 mph). After the speed control ON switch is pressed, pressing the speed control switch SET/ACCEL will activate the speed control actuator. To increase a set speed, either press and hold for continuous acceleration, or momentarily tap the speed control switch SET/ACCEL for 1.6 km/h (1 mph) acceleration increments. To decrease a set speed, press and hold the speed control switch COAST until the target speed is reached, or momentarily tap the speed control switch COAST for 1.6 km/h (1 mph) deceleration increments. When the speed control system has been disabled by tapping the brake pedal, the speed control switch RESUME can be pressed and the vehicle will return to the original set speed if the vehicle is traveling over 48 km/h (30 mph) and the speed control switch OFF has not been pressed.
    NOTE: The deactivator switch is provided as an additional safety feature. Normally, when the brake pedal is pressed, an electrical signal from the brake lamp circuit to the speed control actuator will deactivate the system. Under increased brake pedal effort, the deactivator switch will open and remove power to the speed control actuator, releasing the throttle independently of the speed control actuator.
    NOTE: The clockspring provides the electrical interface between the steering column wiring and the speed control switches in the steering wheel.
    The inputs to the speed control actuator are:
    • Vehicle speed signal
    • Speed control switches
    • Brake pedal position (BPP) switch
    • Deactivator switch
    The outputs of the speed control actuator are:
    • Speed control indicator lamp
    • Speed control actuator cable controlling the throttle position
    • Inspection and Verification
      NOTE: If any concerns are noted with the speedometer, stoplamps, or horn, address those concerns by referring to the appropriate sections before continuing speed control diagnosis.
      1. Verify the customer concern by operating the speed control system.
      1. NOTE: Any aftermarket modifications, including but not limited to those listed below, may cause the speed control to not operate correctly:
        • Any wiring or lamp modifications affecting the brake lamp operation
        • LED brake lamps
        • Non-factory installed trailer wiring
        • Radios (speed sensitive, auto mute)
        • Remote starters and alarms
        • Lighting and electrical accessory modifications
        Visually inspect for obvious signs of mechanical or electrical damage:
        • Visually inspect the speed control actuator and accelerator controls.
        • Visually inspect the speed control cable without removing it and ensure smooth cable operation. Inspect the speed control cable connection to the throttle body.
        • Visually inspect the accelerator cable without removing it and ensure smooth cable operation. Inspect the accelerator cable connection to the throttle body. Also check for cable interference with the carpet, bulkhead grommet, insulation and instrument panel wiring.
      1. Visually inspect for obvious signs of mechanical and electrical damage.
      2. Visual Inspection Chart Mechanical Electrical
        • Speed control actuator cable
        • Throttle linkage
        • Battery junction box (BJB) fuse(s):
          • 4 (40A)
          • 12 (60A)
        • Smart junction box (SJB) fuses:
          • 14 (15A)
          • 57 (10A)
        • Wiring harness
        • Loose or corroded connections
        • Deactivator switch
        • Brake pedal position (BPP) switch
        • Speed control switches
        • Powertrain control module (PCM)
        • Speed control actuator
        • Bulb

Mar 14, 2015 | 2007 Ford Taurus

2 Answers

My 1 turn signal flashes rapidly compared to the other. The rear signal is not working.


The signal flashers fast BECAUSE the rear lamp is not working. Bad bulb? Bad ground? Fix the back lamp and normal speed will be restored.

Mar 08, 2015 | Cars & Trucks

1 Answer

Brake light fuse out but the tail lights are on and the bulbs are fine


The brake lamp fuse in your vehicle protects circuits that not only go to the brake lamps themselves, but also go to the Antilock Brake Controller, the Speed Control Servo, the Shift Lock Actuator, The Hazzard Flasher unit and the multifunction (turn signal) switch. You will need to trace all of the circuits involved to determine where the circuit is shorting to cause the fuse to blow.

Please also review the following articles:
Where's The Fuse?

What Else Could Be Wrong?

Sep 27, 2011 | 1993 Ford Crown Victoria

2 Answers

Have a 199 For Expedition...just notice that the brake light are working..need help


check fuse box first then bulbs or the switch under the dash that engages when you apply the brake pedal

Jan 15, 2011 | Ford Expedition Cars & Trucks

2 Answers

I own a 2005 GMC Canyon Five CYL and the cruise control stopped working last niight. You push the button and no cruise. I checked the fuse and it is ok I exchanged with another 10AMP and no change still...


Start with the simple and check the fuses and the Stop lamp switch. Check your brake lights, if they're not working, the cruise won't work either. If they're not working, check the fuse for them, if the fuse is fine, then take it into the dealer, there's been a recall issued on the brake switch, so it should get fixed for free.
Cruise Control Disengaged
The powertrain control module (PCM) disengages the cruise control operation based on the signals from the following switches:

* The stop lamp switch
* The TCC brake/cruise release switch
* The clutch release switch, if equipped
* The cruise control On/Off switch

The TCC brake/cruise release switch and the stop lamp switch are mounted on the brake pedal bracket. When the brake pedal is applied, the normally closed TCC brake/cruise release switch opens and the normally open stop lamp switch closes. The PCM detects a low signal voltage on the TCC brake/cruise release switch signal circuit and a high signal voltage on the stop lamp switch signal circuit. When the clutch pedal is applied, the normally closed clutch release switch opens and the PCM detects zero voltage on the CCP switch signal circuit. The vehicle speed stored in the memory of the PCM will be erased when the cruise control On/Off button is turned OFF, or the ignition switch is turned OFF.

The Cruise Control System will disengage when the PCM detects that a driver override function has been active for approximately 60 seconds .

When the Cruise Control System is disengaged, the PCM sends a class 2 message to the instrument panel cluster (IPC) in order to deactivate the cruise control indicator.

Cruise Control Inhibited
The powertrain control module (PCM) inhibits the cruise control operation when any of the following conditions exist:

* A cruise control related DTC has been set.
* The vehicle speed is less than 40.2 km/h (25 mph) .
* The vehicle is in PARK, REVERSE, NEUTRAL, or 1st gear.
* The engine RPM is too low.
* The engine RPM is too high, with fuel cut off.
* The vehicle speed is too high, with fuel cut off.
* The system voltage is not between 9 volts and 16 volts .
* The Traction Control System (TCS) is active for more than 2 seconds .

Thank you for using Fixya and start with replacing the stop lamp switch. Even though the brake light work, it;s been known for that switch to cause your issue. that's way there was a recall for it.

Apr 01, 2010 | 2005 GMC Canyon

1 Answer

Brake lights not working at tail lights but the light in the rear window does come on when brake pedal is pushed.....regular tail lights come on...right and left turn signals also work ....flashers...


the upper brake light works differently than the outer lights. check your brake light switch by the brake pedal.It will have a plunger switch on it. The center brake lamp works off a power convertor instead off the brake light switch. The switch has a separate wire for that which is still working

Feb 19, 2010 | Ford Contour Cars & Trucks

3 Answers

Brake lights not working even though the brake peddle is pushed down The switch still goes in and out. Fuse box has some fuses missing. The fuse box does not have a desription on every plug of what it is...


Here are the numbers on your fuseblock and fuses coresponding to the number that is on your fuse block.
1-20 amp (yellow)
Hazard flasher
2-10 amp (red)
back up lights, A/C clutch cycling Switch
3-30 amp (green)
Power windows
4-30 amp (yellow)
A/C or heater blower motor
5-20 amp (yellow)
Panel Lights, Side marker lights, Park, Taillights, Clock & radio display Intensity, License & panel lights.
#6-10 amp (red)
Stoplight, buzzers, Anti-lock brake module
#7-15 amp (lt. Blue)
Tachometer, horn & Relay
#8-8 amp (yellow)
Power Door locks
#9-10 amp (red)
Radio
#10-10 amp (red)
Rear Wheel Anti-lock module, Turn Signals
#11-20 amp (Yellow)
Windshield wiper & washers
#12-15 amp ( LT. Blue)
Cigarette Lighter
#13-5 amp (tan)
Speed Control, warning buzzers, gauges, indicator lights
#14-5 amp (tan)
Time/delay relay & under-hood light, dome light, power mirrors, readio & clock Memory, Interior lights, reading lights
#15-blank
Not used
#16-4 amp (pink)
Radio Lights & overdrive switch light 1989-91, Cluster lights, Cigarette Lighter light & as tray light, Cluster lights, A/C & heater controls.
#17-relay
Hazard Flasher warning
#18-relay
Relay
#19-Circuit breaker
#20-relay
Turn signal Flasher
#21-buzzer
Warning
#22-Relay
Horn

Aug 04, 2009 | 1991 Dodge Dakota

1 Answer

Brake lights inop on my 88 T-bird


Check your brake light switch. If your car has cruse control, set it at a safe speed and step lightly on the brake pedal and release. If it doesnt disengage then brake light switch is bad.

Mar 12, 2009 | 1988 Ford Thunderbird

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