Question about 1990 Ford Econoline

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Amber light is on. says...Rear Anti-lock brakes?

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This is a problem that needs immediate attention. The light is a warning that your Anti-Lock brakes are turned off to prevent them from operating inapropriately due to an error condition in the system. This could be a bad wire, faulty sensor, damage tone ring, ect... If you don't want to take your truck to a brake specialist, go over the back brakes very carefully and look for anything that looks worn or damaged. The tone ring is a gear like ring that is pressed onto the axel if this is damaged or badly rusted it will cause the sensor to get a faulty reading. If the sensor is out of place or it or it's wiring is damaged this will cause a false signal. It could be actual brake problems. Beyond these possibilities you'll need a diagnostic brake computer to find the problem. Good luck.

Posted on Jun 06, 2010

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Meaning of warning lights


Manufacturers spend billions of dollars a year refining their cars' on-board diagnostics systems. However, all of the sophisticated diagnostics in the world will do little good if you don't know what the warning lights mean.
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Brake Lights
Almost all cars have two separate lights for the braking system: a red "ABS" (anti-lock braking system) light and "Brake Warning" light. The former indicates failure of the electronic anti-lock system, the latter a loss of fluid pressure in the brake system itself.


Dynamic Warnings
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Read more: Car OBD2 diagnostic tool

Jul 25, 2012 | Cars & Trucks

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An amber abs light is on my 1996 accord accord 2 dr lx -- is this a safety hazard ?


Any time the ABS light is on the ABS system is deactivated. The brake system should still function normally since the normal brakes do not rely on the ABS system to function. The only thing you will notice is that the brakes will lock up under a hard or emergency braking situation. My personal thought on this is at least find out why the light is on. If it is a relatively inexpensive repair that the added safety of the ABS system is well worth it. If it is a expensive repair that you'll havue to way the options. Under .the passenger side of the dash or behind the passenger side kick panel you will find two connectors not connected to anything. One will have three wires and one will have two. With the key off jump the two terminals of the two wire connector. Turn the key on and count the number of times the abs light flashes. It shoul be a series of long flashes and short flashes. The long flash is the first number of the two digit code and the short flashes will be the second. Post the codes and I will try to help you further.

Jun 01, 2011 | Honda Accord Cars & Trucks

1 Answer

My anti-rear lock light and brake light came on and the brake pedal goes to the floor.....is it more than changing the brakes?


ANTI LOCK BRAKE LIGHT AND BRAKE LIGHT COMES ON YOU HAVE BRAKE FAILURE.NOT SAFE TO DRIVE.YOU HAVE LEAKING BRAKE LINE OR LEAKING BRAKE CALIPER OR WHEEL CYLINDERS.THE MASTERCYLINDER OR ABS UNIT FAILED.DONT DRIVE VECHICLE NOT SAFE.

Jan 09, 2011 | 1992 Isuzu Pickup

1 Answer

I have a 2002 Lincoln ls . How do I replace the abs speed sensor? Right front tire?


you have one on the inside of each wheel.
SECTION 206-09A: Anti-Lock Control 2002 Lincoln LS Workshop Manual
REMOVAL AND INSTALLATION Front Wheel Speed Sensor
Material Item Specification RTV Silicone Sealant
FSTZ-19G204-AB (Canada CXC-114A) NAVSTR Sealer
Removal and Installation
  1. Raise and support the vehicle. For additional information, refer to Section 100-02 .
  1. Position the inner splash shield aside.
    1. Remove the pin-type retainers.
    1. Position the inner splash shield aside.
  1. Disconnect the anti-lock brake sensor electrical connector.
  1. Remove the anti-lock brake sensor harness from the brake hose clips.
  1. Remove the anti-lock brake sensor.
    1. Remove the anti-lock brake sensor clip.
    1. Remove the anti-lock brake sensor.
  1. NOTE: Make sure the anti-lock brake sensor is fully seated before installation of the new clip.
    To install, reverse the removal procedure.
    • Apply a 2.5 mm (0.1 in) bead of silicone sealant to the outside diameter of the anti-lock brake sensor.
-------------------------------------------------------------------------
Rear Wheel Speed Sensor Removal and Installation
  1. Raise and support the vehicle. For additional information, refer to Section 100-02 .
  1. Disconnect the rear anti-lock brake sensor electrical connector.
  1. Remove the rear anti-lock brake sensor harness from the control arm clips.
  1. NOTE: Clean off dirt and foreign material that may have collected around the rear anti-lock brake sensor before removal.
    Remove the rear anti-lock brake sensor.
    1. Remove the anti-lock brake sensor bolt.
    1. Remove the anti-lock brake sensor.
  1. To install, reverse the removal procedure.

Feb 24, 2010 | 2001 Lincoln LS

1 Answer

Brake light nad rear anti lock light wont go off


Check the fluid level, top it off if needed, look for a fill to line on the side of the reservoir. Check rear brake shoes/pads, are they too worn? Replace with new ones. Bleed all 4 wheels, starting with the farthest one, then go to next farthest, and so on. Look for leaks inside the rear wheels. Adjust rear brakes (if shoes not pads).

Jul 09, 2009 | 1988 Ford Bronco II

1 Answer

Chevrolet Equinox Brake Light Flashing


If it is an amber light that says " anti lock" You will be safe, you just wont have anti lock brakes. The car may have traction controll. If so, look in the manual to be sure what light is on. As a general rule amber lights are warnings and red lights means stop. If the light stays on you will have to go to the dealer to have the code read.

May 19, 2009 | 2006 Chevrolet Equinox

1 Answer

Anti-lock & brake lights are staying on


NO CK FOR WIRES BROKEN TO ABS SENSOR ON TOP OF THE REAR TWO WIRE TERN. & CK SENSOR IN REAR WITH OM METER

May 18, 2009 | 1990 Ford F150

1 Answer

Problem with my cruise control and ABS light on 03 Explorer


Anti-Lock Control —Vehicles Built After 03/2002 The 3-channel anti-lock brake system consists of the following components:
  • front wheel speed sensors
  • front wheel speed sensor rings
  • hydraulic control unit (HCU)
  • Anti-lock brake control module (ECU)
  • rear wheel speed sensor
  • rear wheel speed sensor rings
  • yellow anti-lock brake warning indicator
The 4-channel anti-lock brake system with traction control and stability assist system consists of the following components:
  • active brake booster with integral solenoid
  • brake booster release switch
  • front wheel speed sensors
  • front wheel speed sensor rings
  • hydraulic control unit (HCU)
  • stability assist module (ECU)
  • stability assist event indicator
  • lateral accelerometer
  • longitudinal accelerometer (4x4)
  • rear wheel speed sensors
  • rear wheel speed sensor rings
  • steering wheel position sensor
  • yaw rate sensor
  • yellow anti-lock brake warning indicator
  • brake pressure transducer
  • traction control switch
---------------------------------------------------------------------
I suspect the abs issue is causing the speed control not to work if it happened at the same time the cruise control stopped working. When the yellow ABS light comes on, it means the ABS is dactivated. You may have a faulty accelerometer which senses acceleration and yaw (side to side lean). I have not seen a bad one but you said it is sensitive to acceleration.
I would unplug it and see what happens. The connector should have a small tab to depress so you can pull the connector out.
Here is where it is:

Accelerometer Removal and Installation
  1. NOTE: The accelerometer is located under the center, rear passenger seat carpet. (I think you have to remove seat for access).
    Cut the carpeting along the perforations.
  1. Disconnect the electrical connector.
  1. Remove the nuts and remove the accelerometer.
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Have dealer hook up tester and pull fault codes if you can't find an easy solution.
Some background info
  • A malfunction in the anti-lock brake system will cause the anti-lock brake control module to shut off or inhibit the system. However, normal power-assisted braking remains.
  • Malfunctions are indicated by the yellow ABS warning indicator in the instrument cluster.
  • The anti-lock brake system is self-monitoring. When the ignition switch is turned to the RUN position, the anti-lock brake control module will carry out a preliminary self-check on the anti-lock electrical system indicated by a three-second illumination of the yellow ABS warning indicator in the instrument cluster.
  • During vehicle operation, including normal and anti-lock braking, the anti-lock brake control module monitors all electrical anti-lock functions and some hydraulic operations.
  • Each time the vehicle is driven, as soon as vehicle speed reaches approximately 20 km/h (12mph), the anti-lock brake control module turns on the pump motor for approximately one-half second. At this time, a mechanical noise may be heard. This is a normal function of the self-check by the anti-lock brake control module.
  • Pedal pulsation coupled with noise while braking on loose gravel, bumps, wet or snowy roads is normal and indicates correct functioning of the anti-lock brake system.
  • Warning Lamp Indicator
    The anti-lock brake system (ABS) uses the yellow ABS warning indicator to alert the driver of a malfunctions in the ABS.
    The yellow ABS warning indicator will come on to warn the driver that the ABS has been turned off due to a symptom that exists in the ABS. Normal power assist braking remains but wheels can lock during a panic stop while the yellow ABS warning indicator is illuminated.

    -----------------------------------------
    Please report back, I am curious if that is what it is. Good luck

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    2 Answers

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    abs relay some times go bad

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    1 Answer

    2003 Ranger FX-II ABS light on


    This isn't hard to do at all really and should be easy to procure the part from the local parts store. There is only one little screw holding it in

    102969669

    1. Raise and support vehicle.

    2. NOTE: Clean off dirt and foreign material that may have collected around the rear anti-lock brake sensor before removal. Remove the rear anti-lock brake sensor.
    1 Disconnect the rear anti-lock brake sensor electrical connector. 2 Remove the bolt. 3 Remove the rear anti-lock brake sensor.
    1. NOTE: Thoroughly clean the mounting surface. NOTE: Inspect the anti-lock brake sensor O-ring for damage; lightly lubricate the O-ring with axle lubricant. To install, reverse the removal procedure

    Nov 05, 2008 | 2003 Ford Ranger Regular Cab

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