96 Chevy Cavalier headlights

Tiny
ANDYSL
  • MEMBER
  • 1996 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
I have a 96 caviler with the 2.2 my low beam lights stopped working I changed both low beam builbs and checked the conections to make sure they werent corrodid. I turned them on and they both worked for about 2 days then the drivers side stopped working and the drl lights stopped working. I still had passenger side low beam. Now my drl light on dash is flashing and have no low beams. My car has high beams and thats all now. I changed the headlight switch hoping it was that (a simple fix) but it didnt do anything so was wondering what it could b someone told me drl moduler? If you guys think it is or could b that what does it look like and located. If not what would u think it is
Friday, March 18th, 2011 AT 12:29 AM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the problem is coming from the DRL control/high and low beam inputs microprocessor in instrument cluster
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Friday, March 18th, 2011 AT 12:41 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
In the diagram, the orange wire is hot all the time, use a voltage tester. That circuit is fuse protected, use voltage tester at fuse circuit also. Even if the fuse is good, if no voltage, the circuit is dead. In the diagram, the bottom wires from headlamp assembly are grounds. On/off, high and low beam are controled on the ground circuit. The headlamp switch/dimmer is on the ground circuit.
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Friday, March 18th, 2011 AT 12:41 AM
Tiny
ANDYSL
  • MEMBER
  • 2 POSTS
Ok checked the volts at fuse box and shows getting 12 on them so with getting volts to that how would I check other at hadlamps it shows im getting 12 on lox beams on the orange wire to bulb but show 0 on blue wire
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Friday, March 18th, 2011 AT 9:43 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
I can't rule out the DRL, like rasmataz stated. The blue wire should be ground, it grounds through the headlamp switch, note diagram. Even without the drl, I don't know why the lamp won't ground through the headlamp switch, on. With headlamp switch off, leave connector connected to headlamp, probe the blue wire, any voltage. If not, I suspect the lamp itself or the connector. You could use a redundant ground just to see if lamp will work?
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Saturday, March 19th, 2011 AT 4:29 PM

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