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Factory Head lights

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Old Jun 8, 2020 | 08:18 AM
  #1  
randyhummel's Avatar
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From: Tiffin, Ohio
Car: 1986 Iroc-z, 1968 Camaro RS-ss
Engine: 305, 396
Transmission: auto
Factory Head lights

Ok I was cleaning and taking more detailed picture of my 1986 Iroc-z. When I noticed the head lights are 2 different bulbs. The outside bulb just say Halogen and the inside bulb say Sylvania Halogen. I have owned this car for 28 years and never replaced them. Can you help me identify if they are still the originals.


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Old Jun 8, 2020 | 08:22 AM
  #2  
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ksr
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From: Hilton Head Island, SC
Car: 1988 Pontiac Trans Am GTA
Engine: 5.7 liter V-8
Transmission: 4 speed auto
Re: Factory Head lights

In those days, GM had its own lighting company, Guide. That's the factory original. It says "Guide" on it.

My '88 GTA actually still has both original beams.
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Old Jun 8, 2020 | 08:53 AM
  #3  
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From: South Texas
Car: '89 Iroc Z28-15,100 Original Miles
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: Limited Slip, 2.77 Ratio
Re: Factory Head lights

Guide Headlamp from my 89, notice the Guide name at the top left same as your.

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