Question about 2003 Chevrolet Impala

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2003 Impala- dash and head lights flicker, clicking noise

After car has be running for about 1/2 hour, lights will flicker about every 30 seconds to 1 minute and horn will beep very briefly about every 2 minutes or so.
When this starts, a clicking sound is heard coming from the passenger side under or behind the dashboard. Sounds like a relay or solenoid clicking on and off.

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  • tlynch73 Feb 24, 2009

    The problem seems to start after the car has run for a little while, then becomes constant, even after the car is shut off for a while.
    Last night I noticed when walking out to the car after it had been shut off for about a half hour, I hit the rermote switch to unlock the doors, the lights (head & backup) come on and they were blinking without the car being started. The blinking of flicker is very suddle/quick.
    I haven't notice the battery gauge doing anything out of the ordinary.


  • shaggy14444 May 11, 2010

    When this happens what do the battery gauge say? When running and lights flicker, usually the diode in the alt. stops working. Might want to get it checked.

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6 Suggested Answers

  • 1 Answer

SOURCE: headlights flicker all the time

Hi, my name is ricky and im 24 yrs old and from Bronx, N.Y . I bought my 03 impala in 04 and i had the same problem in 2007 in which that clicking noise happens. The headlights flicker, and even the gauges inside the car would flicker at times. It has nothing to do with fuses or a relay, please dont spend money on that b.s. like i did..lol I will try my best to explain what i did so that you can save some money and time. READ EVERYTHING AND USE ADVICE AT YOUR OWN RISK.
1st of all - I went to a junk yard/auto salvage yard to find a USED part that i needed. Often there are good parts from cars that have been totalled.
2nd- What i asked for was a Body Control Module. This controls most of the electric issues you are having and costed me about 50 dollars compared to a new one that was over $200 and reached up to $500.
3rd- I went head first under the steering column and found where the BCM was located. Poke around to find it cause it is def. there, hidden well. It doesnt take special skill to remove it or find it.
4th-Replace the BCM, but be advised that after you do this, your car might not crank over.My car did crank over because i installed a automatic starter previously so i could have started it with the remote start.
5th- you MUST take the car to a chevy shop so they can Program your car to the body control module this costed me about $250.
All together this information has to help you in someway.
If you have further questions or would like to make a comment, then e-mail me at " gyalflexfameh@gmail.com "
I hope this helps...im not saying it is a 100 percent guarantee for you, but i had this same problem recently and this was the answer to my problem. By the way, never buy a american car again or a GM product for that matter...Kudos

Posted on Dec 19, 2008

  • 126 Answers

SOURCE: 2003 Impala 3.4 missing/dying

1 Inspect Timing Belt SlipPED or Broken Timing Belt. 2 Inspect Timing Chain SlipPED Timing Chain. 3 Inspect Timing Set SlipPED Timing Chain or Worn Timing Gear(s). 4 Inspect Fuel Injector Dirty or Worn Fuel Injectors, or Vacuum Leak in Fuel Injection System. 5 Inspect Carburetor Incorrect Carburetor Adjustment, or Vacuum Leak at Carburetor. 6 Inspect NEEDLE Seat Dirty, Worn, or Damaged Carburetor NEEDLE and Seat. 8 Inspect Timing Specification Incorrect Ignition Timing. 9 Inspect PCV Valve Clogged Emission System. 10 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s). 11 Inspect Distributor Cap Distributor Cap Cracked or Burned. 12 Inspect Spark Plug Fouled, Damaged, or Broken Spark Plug(s). 13 Inspect Intake Manifold Gasket Leaking, Worn, or Damaged Intake Manifold Gasket. 14 Inspect Crankshaft Gear Worn Timing Gear(s). 15 Inspect Camshaft Gear Worn Timing Gear(s). 16 Inspect Distributor Cap and Rotor Kit Distributor Cap Cracked or Burned. 17 Inspect Valve Burned, Worn, or Sticking Exhaust Valves. 18 Inspect Camshaft Worn Camshaft LOBE(s). 19 Inspect Valve Lifter WornValve Lifter(s). 20 Inspect Belt Incorrectly Routed, Adjusted(Tensioned), Missing or Worn Drive Belt(s). 21 Inspect Alternator Low or No Voltage OUTPUT From Alternator/Voltage Regulator. 22 Inspect Voltage Regulator Faulty, Shorted or Incorrectly Connected Voltage Regulator. 23 Inspect Relay - Charge Lampat Damaged or Faulty Charging Relay.

Posted on Aug 31, 2009

roniecon
  • 6826 Answers

SOURCE: 1987 camaro horn not working - clicking noise at relay

Make sure the horn is grounded at the base of the horn where it is mounted.Also run a gound from negative battery post to the frame and body.Also check the horn by running a positive wire from battery to the horn,while making sure of a ground.If I can help lrt me know.

Posted on Sep 14, 2009

  • 56 Answers

SOURCE: 2003 Chevy Impala periodically won't start

Try under the dash, attached to colum is a switch that the rod goes into from your ignition key switch, that may need to be adjusted tword your steering wheel just a touch, they go out of alignmnet from time to time

Posted on Sep 15, 2009

ftw1952
  • 10319 Answers

SOURCE: i have a 1999 chevy blazer 4 w drive and i heard

turn the climate control setting from defrost and heater and listen for that noise. If heard its the actuator for the heating doors to open

Posted on Jan 24, 2010

  • 610 Answers

SOURCE: Yesterday, I bought a 2004 Chevy Impala 3.4L.

Sounds like a faulty blower motor, however it could be a bad connetion somewhere. The next time it doesn't blow, tap the blower motor lightly with a hammer or the handle of a screw driver. If it starts up, you definatly have a motor with bad brushes, and the easiest thing to do is replace it.Good luck , and contact me with any furthur questions.

Posted on Feb 23, 2011

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MY HEADLIGHTS ARE BLINKING AND MY HORN IS TOO AND RELAYS ARE BLINKING TOO.


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