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H1 or H4 - what do I have?
May sound like a dumb Q...
One of the front lenses on my car is cracked, and I'm about to replace it - BUT - upon closer inspection I notice that the left lens reads "H1", and the right one reads "H4"  How can I tell what kind of headlights I have? (I wouldn't go on model year alone trying to determine this, since my car has seen so many "modifications" over previous owners...). as always, appreciate any input 
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1986 911 Carrera Cabriolet ************************ |
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08-12-2002, 04:27 AM
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Bo,
The H1 will have two seperate halogen bulbs (one for hi and one for low beams). The H4 will have one dual filiment bulb (combo hi/lo). Bruce |
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08-12-2002, 05:45 AM
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Join Date: Jun 2000
Posts: 3,453
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The H4 has 2 adjust screws on the chrome ring,
The H1 has 4 GeorgeK |
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08-12-2002, 08:00 AM
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Join Date: Nov 2000
Location: AZ
Posts: 8,414
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Just to add...
Regarding the lens itself: I believe the H4's will have a "pebbled" finish on the top edge, while the H1's will be all clear.
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08-12-2002, 01:34 PM
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Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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If it turns out that you have a mismatched lens and reflector assembly ... you need to get that lens replaced ASAP with a correct one! The beam pattern will be unfocussed with a mismatched relector and lens!
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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08-12-2002, 01:56 PM
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1972 Porsche 911S Targa none at the moment!
Bruno
Karl
