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Join Date: Oct 2005
Location: Magnolia State
Posts: 7,548
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Aftemarket driving lights wired into fog light circuit?
I'm clueless to all but the simplest issues with regards to automobile wiring. That being said I have removed the factory fog lamps and plan to mount 100w driving lights on the bumper/hood rally style.
Can I wire these to the fog light circuit? Is there a relay on this circuit? If not, should I install one? Would it be better to run 55w instead? Can I run 4 lights on what was oringinally wired for 2 fog lights? Thanks in advance. jim
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Jim 1987 Carrera 2002 BMW 525ti 1997 Buell Cyclone cafe project 1998 Buell S1W: "Angriest motorcycle I've ever ridden." |
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11-19-2014, 08:54 AM
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Relays are a must. you will want to have the lights come on when you have your high beams on. i kept my fog lights but did the rally lights on the bumper thing. love it! Fogs work normally with low beam and rally lights with high.
   Get a rally light kit, it usually comes with relays and switches and instructions.
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1982 SC "Spooky" 1961 VW Single cab truck 1966 VW Deluxe Hard top Last edited by 82 SC; 11-19-2014 at 10:25 AM.. Reason: mess up 2 |
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11-19-2014, 10:21 AM
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Location: Magnolia State
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Are those Hellas
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Jim 1987 Carrera 2002 BMW 525ti 1997 Buell Cyclone cafe project 1998 Buell S1W: "Angriest motorcycle I've ever ridden." |
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11-19-2014, 10:37 AM
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Join Date: Oct 2006
Location: MYR S.C.
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the 87 930 shows a fog lamp relay which REALLY surprised me. porsche does not believe in relays.
it would be easy for you to verify. just check your fuse panel for the relay. if you have one, jsut wire them up. 100w lights would be cruel to run all the time. 55w you could run all the time. why 4 lights.
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86 930 94kmiles [_  _] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD88 BMW 325is 200K+ SOLD 03 BMW 330CI 220K:: [_ _] RUNNING: [__] NOT RUNNING:01 suburban 330K:: [_ _] RUNNING: [__] NOT RUNNING:RACE CAR:: sold |
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11-19-2014, 10:39 AM
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Join Date: May 2011
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Relays are a must, they are cheap and they are your friend. With relays you can do anything. I would power the relays from the headlight circuit that turns on the high beams but with an additional driving light switch near the dash that can turn on or off the additional circuitry. This way the driving lights will work in parallel with the high beams if the diving light circuit is turned on by the additional dash switch.
Love the look of the impact bumper mounted driving lights. I guess those could be LED lights.
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79 SC Targa 72 T Targa Sold 68 T Coupe Sold 65 912 Coupe Sold 62 356B Coupe Sold |
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11-19-2014, 10:40 AM
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Location: MYR S.C.
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normally fog lights/driving lights go OFF when the hi beams are on. but that being said i wired a set to stay on with both. kinda nice to have that extra power when some Ahole wont turn his hi beams off.
BTW, i have 60/100's in my H4's
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86 930 94kmiles [_ _] RUNNING:[__] NOT RUNNING: ____77 911S widebody: SOLD88 BMW 325is 200K+ SOLD 03 BMW 330CI 220K:: [_ _] RUNNING: [__] NOT RUNNING:01 suburban 330K:: [_ _] RUNNING: [__] NOT RUNNING:RACE CAR:: sold |
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11-19-2014, 10:44 AM
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Join Date: Jun 2009
Location: Manhattan Beach, California. Factory Delivery-Original owner-Retired engineer
Posts: 5,238
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Fog Lights.
  ^^^^^ Here's what I did. And yes, a relay is MANDATORY. Also, you may nee a higher amperage fuse along with a wiring upgrade. Good luck, Gerry
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1986 911 Targa. Per Road and Track magazine: Only in L.A.: In the window of a bar in Hermosa Beach, California. "Happy Hour prices during all car chases." Last edited by 86 911 Targa; 11-19-2014 at 10:55 AM.. |
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11-19-2014, 10:51 AM
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Yes I am using Hella 500 lights on my 82 in the photos above.
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1982 SC "Spooky" 1961 VW Single cab truck 1966 VW Deluxe Hard top |
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11-20-2014, 04:21 AM
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Spooky
