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Registered
Join Date: Jun 2009
Location: Redwood Shores, CA
Posts: 162
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How to wire new 3rd brake light
Hi, I just purchased the final piece to complete this money pit, one of those R2D2 type looking 3rd brake light and am now at the point to connect the wires, one to ground and the other to a brake light wire, naturally in the back (?). Ah, can anyone direct me how to find the brake light wire? Yeah, I know, what a dumb question! Is it in the engine compartment or under the car? Do the wires run from the front to the back of the car on the drivers side or passenger side. Does one wire feed both rear brake lites (right and left) or are they each fed on separate wires from the front? Is there a color coded wire I should look for? Okay, when you get done laughing at these dumb questions, can you help me out? OH, it's a 1977 911 with a 86 3.2. Could it be already wired for the light and just have to find the wires to plug into? (probably not,huh?)
Thanks, Robert Faust Redwood Shores, CA |
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09-24-2009, 03:00 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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For our '86 3.2.
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." |
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09-24-2009, 04:05 PM
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Join Date: Jun 2009
Location: Redwood Shores, CA
Posts: 162
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Thanks Gerry
I'll see if I can trace it out.
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09-24-2009, 04:21 PM
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Join Date: Mar 1999
Location: Cornwall-on-Hudson, New York, USA
Posts: 4,499
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I didn't do anything fancy when I installed a CHMSL on the rear window of our '83, just found which wire in the left rear fenderwell went to the brakelight, spliced into it and grounded the circuit.
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Stephan Wilkinson '83 911SC Gold-Plated Porsche '04 replacement Boxster |
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09-24-2009, 04:57 PM
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Join Date: Jan 2006
Location: Santa Barbara, CA
Posts: 2,307
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If your brake light switch is at the pedal, just ground one side of the light and run a wire up under the carpet to the pedal switch. Couldn't be easier.
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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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09-24-2009, 06:50 PM
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Registered
Join Date: Jun 2009
Location: Redwood Shores, CA
Posts: 162
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It's alive and working!
Thanks guys, not bad, posted the question and within a short time span I got the help I needed. Couldn't get any better than this. This is the finale piece I will be putting on this car, from now on I will just drive it until it dies although I think everything has been fixed, corrected or replaced.
Thanks again everyone, this is a terrific site, I'm very lucky to have found it. Robert Faust |
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09-24-2009, 08:47 PM
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Commonly most people wire the 3rd brake light from the left side rear tail light and tapping into the power wire.
Do a search but these should help: Wiring 3rd Brake Light - Pelican Parts Technical BBS How to: 3rd brake light install - Pelican Parts Technical BBS
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Steve My '85 911 Targa ** Hand painted center caps for sale here RIP Warren PCA & Rennlist member |
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09-25-2009, 08:56 AM
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1985 Porsche Targa 3.2
