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headlights click after going up or down

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Old Nov 19, 2008 | 09:12 AM
  #1  
Isphius's Avatar
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From: Long Branch, 07740
Car: 84 sport coupe
Engine: stock lg4
Transmission: 700r4
Axle/Gears: stock?
headlights click after going up or down

Anyone have this happen? Its a 91 firebird formula. they click for about 10 seconds after going up or down. what do i do!
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Old Nov 19, 2008 | 10:28 AM
  #2  
jamon8's Avatar
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
Re: headlights click after going up or down

mine click once

I would think it had something to do with the headlight relay that is close to the wiper motor
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Old Nov 19, 2008 | 06:02 PM
  #3  
TheBigJ's Avatar
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From: Sioux Falls, SD
Car: 85 Firebird
Engine: SBC 383/88BW
Transmission: Built 700R4
Axle/Gears: Moser 9in/3.55
Re: headlights click after going up or down

I noticed on mine (do the same thing) that the headlight motor seems to be loose (the rod that connects to the light)
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Old Nov 19, 2008 | 09:33 PM
  #4  
IROCZ28KevinZ's Avatar
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From: Sedalia, MO
Car: 1991 Z28 convertible
Engine: 305 TPI
Transmission: TH-700R4
Axle/Gears: 3.73 posi 4th gen 10-bolt
Re: headlights click after going up or down

If it's on a 91, it has the rebuildable motors. Pull them, pop off the cover, and replace the four little pucks on the plastic gear using either a rebuild kit, pieces of glue stick, or pieces of metal pipe.

Also, your gear may be stripped, which will require replacement of it. The way the motors work, is when the headlight is fully open the control box for the motors sees high resistance in the circuit and kills power to it. If the gear is stripped, it will still turn for a few seconds even after the light is up, causing the clicking sound.
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Old Nov 19, 2008 | 09:42 PM
  #5  
TIMMYS89GTA's Avatar
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From: ocklawaha FL.
Car: 81z-28,89gta,91z-28 03 1500
Engine: 355,L98vette tpi,327
Transmission: TH350/700R4/700r4/4l80E
Axle/Gears: 3;73/3;27/2;73/3;73
Re: headlights click after going up or down

Originally Posted by IROCZ28KevinZ
If it's on a 91, it has the rebuildable motors. Pull them, pop off the cover, and replace the four little pucks on the plastic gear using either a rebuild kit, pieces of glue stick, or pieces of metal pipe.

Also, your gear may be stripped, which will require replacement of it. The way the motors work, is when the headlight is fully open the control box for the motors sees high resistance in the circuit and kills power to it. If the gear is stripped, it will still turn for a few seconds even after the light is up, causing the clicking sound.
exactly right kevin! and Isphius,if you decide to rebuild the motors,be careful to not pinch the wires in the motor assembly when re-installing the driverside motor.I went through I think 4 different control modules before I found the problem.
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Old Nov 21, 2008 | 12:03 AM
  #6  
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Re: headlights click after going up or down

Here's what you need.

Lon

http://www.top-downsolutions.com/pro...products_id=87
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Old Nov 21, 2008 | 09:51 AM
  #7  
Isphius's Avatar
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From: Long Branch, 07740
Car: 84 sport coupe
Engine: stock lg4
Transmission: 700r4
Axle/Gears: stock?
Re: headlights click after going up or down

thanks for the link! im gonna pull them apart and check it out sometime this week. i think the gears may be worn too. the headlights still operate, and stay up all the way, but when they move to the up or down position they just keep running. For the record, how does the motor know when to stop? is it on a time delay or is there a sensor of some sort? thanks again

Edit: nevermind that part i just re-read the post about high resistance! does that work both up and down though?
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Old Nov 21, 2008 | 04:45 PM
  #8  
TIMMYS89GTA's Avatar
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From: ocklawaha FL.
Car: 81z-28,89gta,91z-28 03 1500
Engine: 355,L98vette tpi,327
Transmission: TH350/700R4/700r4/4l80E
Axle/Gears: 3;73/3;27/2;73/3;73
Re: headlights click after going up or down

Originally Posted by Isphius
thanks for the link! im gonna pull them apart and check it out sometime this week. i think the gears may be worn too. the headlights still operate, and stay up all the way, but when they move to the up or down position they just keep running. For the record, how does the motor know when to stop? is it on a time delay or is there a sensor of some sort? thanks again

Edit: nevermind that part i just re-read the post about high resistance! does that work both up and down though?
yes,works on both up/down stops.
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