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Registered
Join Date: Feb 2004
Location: Long Island, N.Y.
Posts: 1,798
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Harry:
What keeps the foglights from coming on without the low beams? What I would like is to pull the fog dash switch and have them come on without pulling the headlight switch. Am I missing something; is it a matter of changing the wire layout on the trunk fuse panel? Thanks, j.p. |
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01-31-2006, 05:22 PM
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UFLYICU
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The supply voltage for the fogs comes from the headlight switch. In order to run the fogs independently, you need to provide the source voltage from some other source.
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_______________________ Racer Rix Spec911 #5 prc-racing.com |
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01-31-2006, 05:39 PM
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Join Date: May 2002
Location: Portland, Oregon
Posts: 12,645
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Quote:
In my wiring, I am powering the fog lights by a separate circuit that does not come through the headlamp switch. In my case, I do not have the factory switch so I created my own.
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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01-31-2006, 06:37 PM
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Harry:
Could you give me a diagram, so I could adapt mine to work similar. j.p. |
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05-29-2006, 06:17 PM
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Location: Portland, Oregon
Posts: 12,645
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Quote:
The drawing is shown on the first page (http://forums.pelicanparts.com/uploads7/Relay+Wiring1138682812.jpg). Is there something else you are looking for?
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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05-29-2006, 06:46 PM
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Registered
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Location: Long Island, N.Y.
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Forgot to look, thanks.
j.p. |
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05-29-2006, 06:51 PM
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Registered
Join Date: May 2002
Location: Portland, Oregon
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Quote:
__________________
Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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05-29-2006, 07:07 PM
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Banned
Join Date: Aug 2006
Posts: 468
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Gosh darn impressive
Geez... looks like you could package this post and defend it for a doctoral presentation to the electrical engineering faculty at CalTech. Very nice !
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05-07-2009, 05:35 AM
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Has anyone thought of using hi-powered PNP transistors as relays? These would last nearly forever compared to switch contacts. Only downside is you'd have .3v or so loss across the transistor. We used these often in the 80s on plant floor control systems that could not tolerate any sparks near combustible gasses. I've been thinking about this mod for a while and if/when I have time I will bench test such a setup to just one bulb to see what sort of heat we get from the transistor driving 150-200W load at 15V.
Here's a transistor that's good for driving 15Amps: http://www.futurlec.com/Transistors/2N2955.shtml And this one good for 25Amps http://www.futurlec.com/Transistors/2N5884.shtml
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Sal 1984 911 Carrera Cab M491 (Factory Wide Body) 1975 911S Targa (SOLD) 1964 356SC (SOLD) 1987 Ford Mustang LX 5.0 Convertible Last edited by scarceller; 05-07-2009 at 07:17 AM.. |
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05-07-2009, 06:02 AM
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Track Whore
New Daily Driver
Former Daily Driver
1984 Cab Factory wide-body (M491 option)
