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23-06-2010, 10:32 AM
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#1 | ||
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NC Fairlane Ghia
Join Date: Nov 2005
Location: Melbourne
Posts: 535
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Hi Guys,
I am having issues with the headlights.. One side does not light up.. When the highbeam is turned on, all the lights come on.. So I assume the globes are fine.. Tried swapping the relay but made no difference... only thing i can see is that a parking globe is also not coming on on this side. Havent removed that one to check yet... Is there some relationship between the park lights and the headlights??? :S What can be the issue?
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Curent Rides: -NC Fairlane Ghia 3.9L -XC RallyPack Ute 5.8L -AU Falcon Wagon 4.0L Still Stock -80 Series LandCruiser 4.5 LPG |
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23-06-2010, 10:42 AM
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#2 | ||
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Flairs - Truckers Delight
Join Date: Aug 2006
Location: Brisbane Northside Likes: Opposite Lock
Posts: 5,731
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H4's are a dual filament globe with low and high beam components. The high beam side (that assists the H1 dedicated high beam bulb) hardly ever dies, but the low-beam side nearly always is the first one to go.
Short answer, new bulb = fixed.
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Current: Silhouette Black 2007 SY Ford Territory TX RWD 7-seater "Black Banger"
2006-2016: Regency Red 2000 AUII Ford Falcon Forte Automatic Sedan Tickford LPG "Millennium Falcon" |
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23-06-2010, 10:57 AM
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#3 | ||
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FF.Com.Au Hardcore
Join Date: May 2009
Posts: 1,300
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Mr.Hardware is right, although with the NC i suggest taking the globe out first, all listings say it's a H4, but some have another H1, did one the other day, confused me!
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23-06-2010, 11:13 AM
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#4 | |||
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NC Fairlane Ghia
Join Date: Nov 2005
Location: Melbourne
Posts: 535
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Woops... forgot to say its on my AU Series 1. not the NC
Quote:
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Curent Rides: -NC Fairlane Ghia 3.9L -XC RallyPack Ute 5.8L -AU Falcon Wagon 4.0L Still Stock -80 Series LandCruiser 4.5 LPG |
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23-06-2010, 11:44 AM
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#5 | ||
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Flairs - Truckers Delight
Join Date: Aug 2006
Location: Brisbane Northside Likes: Opposite Lock
Posts: 5,731
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obviously the real easy way of checking if it's the bulb it to just swap them!!!
__________________
Current: Silhouette Black 2007 SY Ford Territory TX RWD 7-seater "Black Banger"
2006-2016: Regency Red 2000 AUII Ford Falcon Forte Automatic Sedan Tickford LPG "Millennium Falcon" |
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23-06-2010, 11:44 AM
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#6 | ||
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FF.Com.Au Hardcore
Join Date: May 2009
Posts: 1,300
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Haha fair enough, sorry, then yeh Mr.Hardware is right, it has both filaments on the H4 globe. Thats the one you need to change.
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23-06-2010, 11:49 AM
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#7 | ||
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NC Fairlane Ghia
Join Date: Nov 2005
Location: Melbourne
Posts: 535
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Cool Will try that
__________________
Curent Rides: -NC Fairlane Ghia 3.9L -XC RallyPack Ute 5.8L -AU Falcon Wagon 4.0L Still Stock -80 Series LandCruiser 4.5 LPG |
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23-06-2010, 04:42 PM
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#8 | ||
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Cruising...
Join Date: Aug 2009
Location: Perth
Posts: 3,819
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Ahh the trusty H4, had mine half break, so when you turn it on its off, but then you give it a whack and then it comes on. but hey, that side has been weird forever...
im still wondering how the bracket holding it in was broken into 5 or so odd peices without nobody touching it...
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FBT '98 BA XT '04 F100 4x4 '82 Subaru Outback '02 |
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23-06-2010, 05:14 PM
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#9 | |||
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Regular Member
Join Date: Dec 2008
Location: Melbourne
Posts: 335
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Quote:
 Can almost garantee its the globe 
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23-06-2010, 07:22 PM
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#10 | ||
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Flairs - Truckers Delight
Join Date: Aug 2006
Location: Brisbane Northside Likes: Opposite Lock
Posts: 5,731
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Thats because it's how the filaments in the bulbs break.
Obviously light is created by resistance of electrical current through the wire inside the bulb. This resistance created heat, and we all know that when metal is constantly heated and cooled it becomes more brittle. This, when going over bumps, can cause a crack in the spiralled filament which breaks the circuit. Sometimes, giving the headlight a smack will make one side of the broken filament jump onto the other and make contact. This is only good for so long until you drive over another bump which dislodges it, breaking the connection and meaning no light for you.
__________________
Current: Silhouette Black 2007 SY Ford Territory TX RWD 7-seater "Black Banger"
2006-2016: Regency Red 2000 AUII Ford Falcon Forte Automatic Sedan Tickford LPG "Millennium Falcon" |
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23-06-2010, 08:15 PM
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#11 | ||
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Cruising...
Join Date: Aug 2009
Location: Perth
Posts: 3,819
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Yup, its like a warning system that lets you know you gotta go buy yourself a new bulb..that is if you're sombody that attempts to fix things by applying sudden blunt force to the problem
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FBT '98 BA XT '04 F100 4x4 '82 Subaru Outback '02 |
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06-07-2010, 02:27 PM
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#12 | ||
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NC Fairlane Ghia
Join Date: Nov 2005
Location: Melbourne
Posts: 535
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Changes over the globes yesterday.. All good now
Had a bugger of a time figuring out how they clip in... was years algo when I changed them over before... Hopefully i will remember this time :P
__________________
Curent Rides: -NC Fairlane Ghia 3.9L -XC RallyPack Ute 5.8L -AU Falcon Wagon 4.0L Still Stock -80 Series LandCruiser 4.5 LPG |
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Headlight Problem: One side does not light up
Linear Mode
