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Registered
Join Date: Jan 2004
Location: Birmingham Al
Posts: 395
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3rd brake light hookup?
Trying to get all my problems finished on a 87 911 and installing in a 3rd light from daniel stern and maybe I missed it but the directions did not identify where the best place to hook it up. Can someone that has done this help me out?
Jimmy Last edited by jjemg; 04-16-2013 at 03:23 AM.. |
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04-16-2013, 03:19 AM
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Recreational Mechanic
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I have the Hella 5237 from Dan Stern too. Love it. I mounted mine at the top of my rear window glass and ran the wires under the headliner (with a coathanger) and down into the engine compartment via the rubber grommet where the rear defrost wires go thru the rear firewall (driver's side back corner of the rear shelf). I tied the +12v to the left rear taillight harness with an alligator crimp and tied the ground to the factory ground screw that is near the fuel filter (crimped on an eyelet).
The color of the wire in the taillight harness is different for different models, so check yours before cutting it in. Here's a thread: How to: 3rd brake light install
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P Cars: 2022 Macan GTS / One empty garage space ---- Other cars: 2019 Golf R 6MT / 2021 F-250 Diesel / 2024 Toyota GR86 6MT ---- Gone: 1997 Spec Boxster Race Car, 2020 GT4, 2004 GT3, 2003 Carrera, 1982 911SC, 2005 Lotus Elise and lots of other non-Porsches PCA National DE Instructor #202106053 / PCA Club Racing / WRL Endurance Racing Last edited by Nickshu; 04-16-2013 at 05:27 AM.. |
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04-16-2013, 05:23 AM
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Registered
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Location: Birmingham Al
Posts: 395
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I didn't know if there was something on the rear board or if it was best to jump it in. Seems like there would be something put in by the factory to connect up cars that came with it
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04-16-2013, 05:56 AM
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Recreational Mechanic
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Might be on an 87. On my 82 there was no factory 3rd brake light so there is no factory connector or wire. Now on your 87 there likely is as I believe 3rd brake lights started in 85 or 86 in the USA. If your car is a ROW it may be a toss up, not sure. Check the wiring diagrams for 87.
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P Cars: 2022 Macan GTS / One empty garage space ---- Other cars: 2019 Golf R 6MT / 2021 F-250 Diesel / 2024 Toyota GR86 6MT ---- Gone: 1997 Spec Boxster Race Car, 2020 GT4, 2004 GT3, 2003 Carrera, 1982 911SC, 2005 Lotus Elise and lots of other non-Porsches PCA National DE Instructor #202106053 / PCA Club Racing / WRL Endurance Racing |
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04-16-2013, 04:08 PM
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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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Third brake light.
The third brake light was moved from the top of the rear window,
to the bottom of the rear window for the 87 through the 89 3.2 cars. 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." |
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04-16-2013, 04:43 PM
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Join Date: Jan 2006
Location: Santa Barbara, CA
Posts: 2,307
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You can also run a wire forward under the carpet to connect to the switch on the brake pedal, at least I could on my 74.
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jhtaylor santa barbara 74 911 coupe. 2.7 motor by Schneider Auto Santa Barbara. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's. 73 Targa (gone but not forgotten) |
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04-17-2013, 09:18 AM
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Registered
Join Date: Jan 2004
Location: Birmingham Al
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Thanks for the help!
I did put it on the top Gerry, wanted it to be seen. I will just have to look around it in the rear view. |
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04-18-2013, 04:50 PM
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911SC 3.0
