Headlights don't pop-up
Thread Starter
Intermediate
Joined: Jun 2009
Posts: 26
Likes: 0
Headlights don't pop-up
Dear all
I need your help regarding the headlights of my C5 (1998). The headlights won't pop-up while the lamps are perfectly working. There was no noise of the headlight motor prior to this issue. It doesn't matter whether the car is running or not, the headlights just won't pop-up.
I already checked all the fuses (everything okay) and replaced the relais #44. Has anybody of you had this problem? What was the solution? Thank you very much for your help. By the way the dealers I talked to never had such a problem so they don't have a clue.
Best regards,
Andreas
I need your help regarding the headlights of my C5 (1998). The headlights won't pop-up while the lamps are perfectly working. There was no noise of the headlight motor prior to this issue. It doesn't matter whether the car is running or not, the headlights just won't pop-up.
I already checked all the fuses (everything okay) and replaced the relais #44. Has anybody of you had this problem? What was the solution? Thank you very much for your help. By the way the dealers I talked to never had such a problem so they don't have a clue.
Best regards,
Andreas
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
There are two items in that system. The headlamp switch which has a fairly high failure rate and the headlamp controller which is mounted on the right front frame rail behind the right headlamp. I would check both connectors on the headlamp controller to insure they are plugged in but most likely, the headlamp switch will be first on the suspect list. Usually when I hear the lamps are on but down, my first thought is the controller as it is what actually commands the motors to run. But, learned the hard way, the headlamp switch has to send a command to that module via the bcm to raise them. One person I advised wasn't pleased with me when I suggested the controller which he spent for and it turned out to be the headlamp switch instead.
Tech Contributor
Joined: Jan 2007
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From: Dyer, IN
Last edited by lucky131969; Jul 6, 2010 at 11:33 AM.
Tech Contributor
Joined: Jan 2007
Posts: 19,413
Likes: 1,144
From: Dyer, IN
It's contained in the multifunction switch....what you use to turn on your headlights. I assume you know where that is.....
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
Lucky, you are right. I was thinking since '99's or some of them had the twilight sentinel, then the command would have passed through the bcm. Since the '98's do not have it, obviously the command goes directly to the headlamp controller. Thanks for adding the schematic for the OP since I have no books for the C-5's any more.
Tech Contributor
Joined: Jan 2007
Posts: 19,413
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From: Dyer, IN
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Joined: Sep 2008
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From: Whitesboro Texas
Did you try to manually open them? My passenger side light would come on, but stay shut (happened this morning actually). I opened it manually after getting home, then operated them from the column switch, and it is currently working again.
I am thinking that since I don't drive it much at night, it may have just gotten stuck.
I am thinking that since I don't drive it much at night, it may have just gotten stuck.
