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Re: Add rear fog light ?'s Posted by Larry West [Email]  (#1140)  [Profile/Gallery]
(more from Larry West) on Wed, 17 Sep 2008 13:31:02
In Reply to: Add rear fog light ?'s, BrettH, Tue, 16 Sep 2008 17:23:26 Members do not see ads below this line. - Help Keep This Site Online - Signup |
You could do it. Over the years, I thought of doing it on and off, but never got that round 'tuit...
All you need is to switch 12v at the dash, through a wire into the hatchlid.
What you need to do is to allow the 12v from your fog light switch to not go to BOTH brake lights, or to the other three. You do this with a diode rated for 12v or more at an amp or so. The fog light wire is connected directly to the light you want to be your fog (usually the driver side). The brake light wire is connected to that light through the diode's anode side. The diode's cathode is connected up where the fog light wire goes. The split off to the other brake lights has to be BEFORE the brake light wire gets to the diode. This will allow that brake light to be both a rear brake light, and your one rear fog.
PS: to the poster talking about aiming of rear fogs: there is no aiming. The idea is simply to be a very bright light at the back of the car, so that is someone comes up behind you, they see you with a little more advance warning. And the two back of the hatch brake lights ARE used as rear fog lights in Europe.
_______________________________________ Current: 2002 9-5 Aero Kombi Cosmic Blue 2000 9-5 SE sedan, Imola Red 1990 900S Rose Quartz, Auto Past: 1999 9-5 LPT Combi 1999 9-5 LPT sedan 2002 9-5 Arc 1990 900 5-speed 1986 900 turbo Convertible 1991 9000 turbo 1980 99 GLi 1986 900 turbo 1986 900 S 1991 900 turbo 1984 900 turbo 1976 99 GL
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, Wed, 17 Sep 2008 06:58:32
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