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Joined: Jun 2012
Posts: 56
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hi all, when I turn on the headlights on low beam in my 67 I have the drivers side lamp on only. when I hit high beam all other lights come on an that one goes out. Is it just the high beam switch?
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Joined: Jan 2002
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I was wondering if you had high and low beam lamps mixed up, but if memory serves you can't do that because low beams have 3 electrical terminals and high beams 4?
Last edited by salmon38; 06/09/14 10:16 AM.
2012 Mustang Boss 302 #1918, Competition Orange. FGF replacement
2006 Mustang V6 Pony, Vista Blue. Factory ordered.
2019 BMW X3 (Titled to the wife, but I'm always driving it for her. So I'm claiming it)
Old projects, gone but not forgotten:
1967 FB 400, original CA car. After 22 years of work, trashed by the guy who was supposed to paint it. I had to sell it.
1980 Turbo Trans Am
1970 Mustang fastback, 351C 4Bbl, auto
1988 Mustang GT, 5 speed
1983 F-150 4x4, built 302
1994 Chevy K2500 HD 4x4, 454 TBI
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Joined: Nov 2003
Posts: 6,158 Likes: 51
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I believe that the low beam filament of the outer right bulb is burned out or it has a dirty plug/terminal and the high beam filament on the outer left bulb is burned out or it has a dirty plug/terminal.
Jim
'68 400HO Conv.
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Joined: Aug 2005
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Unless there is something different in Australia, low beam bulbs have two filaments (three terminal) and high beam bulbs have one filament (two terminals.) Typically when you turn the headlights on, low beams you should get the outside bulbs on, and when you switch to the high beams all 4 bulbs should light.
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Joined: Jan 2010
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It's not the high low switch. Like they said above it's most likely your passenger low beam lamp is burned out, if not it could be the wires that goes from the junction to the RH socket. Or the socket itself.
Al
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Joined: Oct 2013
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I had this problem before. I found the grounding wire on the passenger side lamps not connected to the chassis. Lamps worked as advertised after I connected the ground wire. You may have to remove the grill to access this ground wire.
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Joined: May 2013
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I believe that the low beam filament of the outer right bulb is burned out or it has a dirty plug/terminal and the high beam filament on the outer left bulb is burned out or it has a dirty plug/terminal. +1. Like he said. Also, it's no different in Australia, although the lights need to 'dip' the other way (to the left).
Last edited by Ausbird; 06/13/14 01:44 AM.
67 400 4sp Auto Convertible
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Joined: Mar 2009
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ditto on the ground wire on pass side. There is a ground I believe by the battery bracket.
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