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2002 chevy impala DRL Light relay problem: Relay Clicking and running lights stay on a fliker.

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6ya6ya
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Posted on Jan 02, 2017

  • 18 Answers

SOURCE: 2002 Impala, headlights work however they blink

This may be the start of a worse problem that the Impala eventually developes. The Body Control Module has a design flaw along with the Passlock anti-theft system. You may get away with just replacing the BCM for now. It needs to be reprogrammed at the dealer and the car will not start if you replace the BCM without reprogramming it. I would also recommend against replacing it with a remanufactured one. Repair cost is going to be around $500 at the dealer.

If the Passlock system is also at fault, add another $500 for a new ignition switch and cylinder. If you haven't experienced random starting problems yet, they are coming soon. When you turn the key, nothing happens. I thought my 2002 Impala may have been immune to these problems that I've heard about constantly, however, at 90,000 miles, it became "possessed". The symptoms started slowly and got worse. Beside the interior lights flashing like strobs in the middle of the night (while the car was not running), the headlights would occasionally click off and on a few times while I was driving at night.

The relay switch you hear clicking is the Battery Rundown Protection relay. I'm suprised your battery hasn't drained to the point where the car will not start in the morning.

Posted on Mar 18, 2009

  • 109 Answers

SOURCE: DRL Relay location

your relays are located under the hood in a small black plastic box about 6 to 8 inches square. Remove the cover and it should have a diagram on the inside of the cover. They are easy to change, they just plug in

Posted on May 04, 2009

  • 1986 Answers

SOURCE: 2002 Nissan Xterra.Does it have a DRL relay? Where

If your headlights are on during the day when the car is on, then odds are it has a DRL. The location varies with car, but I believe Nissan has it mounted somewhere near the radiator

Posted on Sep 10, 2009

  • 1 Answer

SOURCE: 99 Cavalier warning lights come on in drive.

Hey, I'm having a very similar problem. Did you figure it out?

Posted on Jan 08, 2010

  • 1 Answer

SOURCE: my chevy impala 2002 headlights

change your signal light switch. i just had the same problem. cost me a 150.00 for an after market switch, comes with a full harness that plugs in under the dash.

Posted on May 21, 2011

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1 Answer

Where is the DRL relay located?


There is no DRL relay , has a lamp control module .
The daytime running lamps (DRL) activate under the following conditions:
?€¢
The ignition switch is in the RUN position.


?€¢
The ambient light sensor indicates daylight.


?€¢
The vehicle is not in the PARK position.

When the above conditions are met, the lamp control module (LCM) supplies battery positive voltage (B+) to the low beam headlamps through CKT 589 (GRY), the DRL resistor, and CKT 12 (TAN). The DRL resistor reduces the voltage supplied by the LCM. The low beam headlamps light at a reduced intensity. The DRL disable if the vehicle is placed in the PARK position. When the ambient light sensor indicates darkness, the low beam headlamps automatically switch from a reduced intensity to a regular intensity.
Lamp Control Module (LCM)
In the center of the IP, below the center heater outlets

Nov 17, 2015 | 1998 Oldsmobile 88

1 Answer

I have a 2002 chevy impala. It keeps blowing my drl/ext Lts fuse.


You have a shorted wire in the system. Run the wiring, especially at the light fixtures, check for corrosion, etc.

Jul 21, 2014 | 2002 Chevrolet Impala

1 Answer

Daylights not working


10A fuse 16 in the central junction box supplies power to the DRL module. 15A fuse 15 in the battery junction box (BJB) supplies power to the DRL relay. DRL module output passes through 15A fuse 12 in the BJB and 15A fuses 2 and 3 in the BJB and is applied to the headlights. If all fuses are OK, the problem may be in the DRL relay, the DRL module or associated wiring

Oct 07, 2012 | 2002 Ford Escape

2 Answers

Daytime running light module location 2001 impala


The daytime running lamps in your 2001 Chevrolet Impala are controlled by the Body Control Module (BCM) Here is a description of how the system works:

The ambient light sensor is a light-sensitive transistor that varies its voltage signal to the Body Control Module (BCM) in response to changes in the outside (ambient) light level. When the BCM receives this signal, the BCM turns ON either the DRL or the headlamp relay for auto headlamp operation. Any function or condition that turns ON the headlamps will cancel the DRL operation.
Thirty seconds after you start the ignition with the headlamp switch set in the OFF position, the DRL will perform one of two actions:

Illuminate the high beam headlights at a reduced intensity in daylight conditions
Illuminate the low beam headlights in low light conditions
The DRL/EXT lamps fuse in the top of the engine fuse block supplies battery positive voltage to both the DRL switch contacts and to the DRL relay coil. When the BCM energizes the DRL relay coil, current flows through the right high beam lamp, to the left hand high beam lamp, to the energized DRL relay switch contacts, to ground G101.
The high beam headlamps are now in series, and split the voltage so that the headlamps illuminate at halt intensity. The DRL operates when the ignition switch is in the RUN position, and the parking brake is not set or the transmission is not in park. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.

Oct 10, 2011 | 2001 Chevrolet Impala

2 Answers

Hi, all of my running lights and dash lights are always on in my 99 Silverado. I know I have DRL, but my switch should turn off the dash lights, right? Any ideas on what could be the problem? I think it is...


find the lighting relay, if the dash lights don't go off with the switch then the relay could be stuck, when you find it turn the lighting switch on and off to try to hear the relay clicking, if no clicking the relay is probably stuck, give it a couple of taps before you go buying a new one.

Dec 18, 2009 | 1999 Chevrolet Silverado 1500

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How to disable the DRL on my 05 impala


if you jump the emergency bake light switch located in the back of the e brake pedal the light will stay off.

Nov 01, 2009 | 2001 Chevrolet Impala

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2003 Chevy Impala daylight running lamps turning off on their own


normal condition lamp sensor on top of instrument panel turns lamps on and off with lighting conditions when headlamps are on dash lights are on whwn drl,s are on dash lamps are off

Oct 02, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Dash light DRL stays on


Bad solders in DRL relay located left side of steering column below change drawer behind dash. It will be indicated with a stamp DAYTIME RUNNING LIGHT RELAY. Remove it and redo the solders to the relay contacts in the unit. This will fix the DRL light in dash, return the DRL system to functioning and will also fix headlight not working problem.

Aug 10, 2008 | 1991 Honda Accord

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