Question about Mercury Cars & Trucks

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I have a 2002 Mercury cougar, have been having various electrical problems, like the alarm just going crazy for no reason. My car died while driving, it started right back up but then when I hit a bump it died again and wouldn't start. I looked under the hood and couldn't see anything obvious so I closed the hood and it started, drove till I hit another bump and it died again and will not start. No sounds or anything just dash lights come on. I am totally baffled.

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  • Mercury Master
  • 4,514 Answers

Believe ur computer is dying--wen cars go haywire-thats a sign-u cud git it flashd or reprogrammd--1st try disconnected the plug and cleanin it w electr solvent then plug bac in-see if it reboots/disconnectn batt fora while is anothr option----of corse may just need a new one

Posted on Nov 17, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

fixincars
  • 335 Answers

SOURCE: I have a 2003 GMC

If someone took the time to look at the electrical schematic you will see several grounds in the circuit My first place I would go would be to check all the Grounds and Connections for the Brake Fluid level control, Brake Warning Indicator
The Instrument Panel Cluster (IPC) illuminates the brake warning indicator when one or more of the following occurs:

  • The body control module (BCM) detects that the park brake is engaged. The IPC receives a class 2 message from the BCM requesting illumination.
  • The electronic brake control module (EBCM) detects a low brake fluid condition. The IPC receives a class 2 message from the EBCM requesting illumination.
  • The electronic brake control module (EBCM) detects a closed brake pressure differential switch. The IPC receives a class 2 message from the EBCM requesting illumination.
  • The EBCM detects an ABS malfunction which disables dynamic rear proportioning (DRP) . The IPC receives a class 2 message from the EBCM requesting illumination.
  • The IPC detects a closed power brake booster alarm switch and closed power brake booster fluid flow alarm switch. The IPC illuminates the brake warning indicator and sends a class 2 message to the radio requesting the brake warning alarm.
  • The IPC performs the bulb check at the start of each ignition cycle. The brake warning indicator illuminates for approximately 3 seconds before turning OFF.
  • The IPC detects a loss of class 2 communications with the BCM or with the EBCM.
Driver Information Indicators and Messages
The following indicators are used to inform the driver of several different factors.

Brake Warning Indicator
The Instrument Panel Cluster (IPC) illuminates the brake warning indicator when the following occurs.
  • The Body Control Module (BCM) detects that the park brake is engaged. The IPC receives a serial data message from the BCM requesting illumination. The brake warning indicator flashes at a rate of approximately twice per second when the park brake is engaged.
  • The EBCM detects a low brake fluid condition or base brake pressure differential and sends a serial data message to the IPC requesting illumination.
  • The IPC performs the bulb check.
  • The EBCM detects an ABS-disabling malfunction which also disables Dynamic Rear Proportioning (DRP) and sends a serial data message to the IPC requesting illumination.

Here is a description of how the system works But i would check my Grounds and connections
www.aceautomotive1.com
Contact me if you need any more information Ill be glad to help

Posted on Aug 02, 2008

pal03246
  • 705 Answers

SOURCE: Car dies while driving

I think that your crank angle sensor failed. Is the check engine light on?? if so, scan it and get code. If the code is P0335, than you need new crank angle sensor. Nissan has been having some problems with those even on other Nissan products. (Altima, Pathfinder and so on) Good luck.

Posted on Aug 03, 2008

beauman
  • 60 Answers

SOURCE: My car alarm is blinking

you can try switching the key to the "on" position then open the hood and disconnect the negative terminal of the battery and reconnect after 2minutes. this will allow the alarm to be '"reset" and will recognize that you have the key for the vehicle.

Posted on Aug 16, 2008

SUL827
  • 93 Answers

SOURCE: My car alarm is blinking

You need to first look under the drivers side dash area near the hood release/fuse panel area and see if there is a valet switch. The switch will look like a little toggle or a push switch. After you locate it, turn the ignition switch to the on position(dont start it) and flick the valet to the opposite position it is in now. If done correctly in most cases the red system light will stay a constant instead of off or blinking indicating you are in valet mode. Next try to start the engine. If this doesnt work you need to remove the alarm system and repair the ignition switch wiring or replace the electrical portion of the ignition switch. The aftermarket alarm cuts into the ignition switch wires and bypasses the start circuit through the alarm module. When disarmed the alarm completes the circuit and allows the car to start. Good luck hope this helps and please rate this.

Posted on Nov 27, 2008

  • 2039 Answers

SOURCE: My 2004 Ford Freestar Dash light fade in and out

check for loose wire behind the alternator when the light are fading our running on the battery only the alternator ir not charging get that check as soon as you can the frestar gonna stall soon thanks pierre

Posted on Dec 15, 2008

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