Question about 2001 Chevrolet Cavalier

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I have a 2001 cavalier with a dim driver side headlight. Have changed the bulb, DRL relay and headlight switch. Removed the ground cable from the battery tray, cleaned ground cable and battery tray contact area. Located ground cluster under battery tray cleaned up and bolted to frame after cleaning frame area. Found GM splices on pink wire behind headlight and found no corrosion on wires. Nothing works...help. thanks steve

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Give this a try------get a piece of wire and strip both ends, the black wire coming out of the plug on the head light, stick one end of the wire in there and the other end to a good ground or the negative battery terminal with the lights on, if the light gets brighter, there is a bad ground to that light. I hope this helps, cause you have just done about everything else.

Posted on May 15, 2010

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2 Answers

If headlights don't come on on a 2000 Buick Lesabre what do you think is wong


first go for the easy stuff. do the tail lights come on? if so, then will almost guarantee it's bad bulbs in headlights. if tail lights do not come on I would check fuses first relay second. switch third.

Apr 06, 2016 | Buick Cars & Trucks

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Head lights dims out


old post day, Geo underdogs.
is engine running, seem yes, pretend yes...
high and low beams dim (means weak not low or high beams)
dim bulbs. all elements, left and right sides?
well first is battery voltage
use a $10 walfart DMM meter., (set to volts)
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well that is easy head lamp failure
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next time say DRL or canada, ok?

if all lamps are dim on the HL,
the the ground to them are bad.
there are 4 bulbs , 2 high 2 low, all for dim is bad ground there.
the Headlamp relay sends 12vdc to all 4bulbs, and most read 12v or more.
the lamps are grounded by the HL combo switch on THIS car
the ground must be good to this switch 0v, HL onl.
or the ground is bad. a white/black wire called G200
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Feb 24, 2014 | 1991 Geo Prizm

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

1 Answer

2005 cavalier no low beam or drl lights need wiring diagram


Hi, the problem may be the body control module, the DRL relay, or the DRL resistor. The relay is in the fuse box under the dash. Pull out the relay and check the socket with a voltmeter or test light. With the headlight switch full on, there should be 3 ground terminals in the socket and one hot terminal. With the headlight switch off, there should be 2 ground terminals and one hot terminal. If there are the proper number of ground terminals, replace the relay. If not, check the DRL resistor for an open condition. If the number of ground terminals does not change with the headlight switch on, replace the switch. If everything checks out OK, replace the BCM. Please let me know if you have questions, and thanks for using FixYa.

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Feb 15, 2011 | Chevrolet Cavalier Cars & Trucks

1 Answer

I have dim high beam headlights on my Saturn SC 2001. Replaced the bulbs, not the problem. Could it be the daytime running lights circuit? In this car the high beams do double duty as daytime running...


those systems are a curse to repair, usually its a grounding problem, the headlight ground through the bcm, try going to cavalier drl repairs, its a website for gm car headlights

Nov 09, 2010 | 2001 Saturn SC

1 Answer

Left headlight is dim - like it has a bad ground. Right is fine. DRL are same as regular lights. High and Low beam on left same dim condition. Fuses are OK switch checks OK. Replaced the relay with no...


i think you hit the nail on the head with the ground problem,if you remove the bulb from the head light assembly,wiggle the black wire to see if the bulb gets brighter,if it does remove the bulb and clean and tighten the ground wire end.if it does not get brighter from a wiggle,connect the ground end of a test light to the positive post of the battery and probe the black wire,test light should light,if so replace the light socket.

Nov 26, 2009 | 2000 Chevrolet Blazer

2 Answers

Dim headlight don't work but bright does and bulbs are ok


Several things on your cavalier could cause this to happen...
If it's just your high-beams, low-beams, or DRL that are out (just one), start with the DRL relay (in the fuse box). If that's not it, and it's not the DRL, try the multi-function switch (the thing attached to the left of your steering wheel, the headlight switch/cruise control switch). If all that checks out ok the next place to look under the hood... there is a pin-out connector/harness under the battery box (located in the front on the driver's side) that may be corroded. It is attached to the underside, and not easy to see without a mirror. If there is corrosion on the battery box, this connector is probably corroded as well...anything that runs off the battery will find it's way to this connector.

Note for anyone else that reads this: Different people will experience similar problems, sometimes with the low-beams, sometimes with the highs, because of different corrosion patterns and the DRLs being run from different bulbs.
Good luck...i hope this helps, please take time to rate me a fixya.

Jul 22, 2009 | 1992 Chevrolet Cavalier

2 Answers

I have a 1998 cavilier i have no low beams,fuses checked good


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1 Answer

Headlights


check headlight relay

May 05, 2009 | 2004 Chevrolet Cavalier

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