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What does this wire connect to?
Hi folks. First post ever.
Been working on a 72 911T that sat for a long time. I have never owned a Porsche before so getting this car sorted out is an exciting journey for me. There is a wire that is not very long (brown with white stripe) hanging under the dash coming from the steering column. It has a small connector on the end. It’s not obvious to me where this goes, so I am reaching out here for help.. Thanks in advance.. 
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08-14-2020, 07:32 AM
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UnRegistered User
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You may have more luck posting in the 911 tech forum on this site.
OTOH, there is a crap ton of knowledge right here and someone will probably stop by to offer some help. Welcome to the forum and enjoy your new find!
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Bill K. "I started out with nothin and I still got most of it left...." 83 911 SC Guards Red (now gone) And I sold a bunch of parts I hadn't installed yet. |
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08-14-2020, 09:33 AM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,106
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I think brown is usually ground on the older Porsches. I can't tell you exactly what it's for. Like Bill said, you'd probably have better luck on the 911 tech forum
Porsche 911 Technical Forum - Pelican Parts Forums
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa  SOLD 2004 - gone but not forgotten
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08-14-2020, 09:44 AM
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Get off my lawn!
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Brown is always a ground of some sort, but that is brown with a white stripe. Likely a switch or light that needs a ground. It is not just a generic ground. It likely is the ground wire for a device of some sort.
For sure post it again in the 911 tech area or ask a moderator to move it for you.
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Glen 49 Year member of the Porsche Club of America 1985 911 Carrera; 2017 Macan 1986 El Camino with Fuel Injected 350 Crate Engine My Motto: I will never be too old to have a happy childhood! |
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08-14-2020, 09:48 AM
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Fleabit peanut monkey
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Just PM'd the thread to timmy2 asking him to take a peek.
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1981 911SC Targa |
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08-14-2020, 10:19 AM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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Not sure what to goes to but for sure switched ground circuit. The length that's free should tell you the proximity to what it should plug into, but depending on what accessories the car has, may not go to anything.
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'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss '07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold '85 Guards Red Targa - Almost finished after 17 years '95 Road King w/117ci - No time to ride, see above '77 Sportster Pro-Street Drag Bike w/93ci - Sold |
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08-14-2020, 10:54 AM
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AutoBahned
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yes, brown with a white stripe means a switched gnd wire
it may be a horn wire - IIRC, there are 2 of them when you only need one - at least on a US 1973.5... We would LOVE to see pics of your car in the 911 area - or anywhere... See my sig. for the most important things to do |
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08-14-2020, 10:59 AM
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ROW '78 911 Targa
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Spare for other country options if your horn works.
Factory rubber is closed at end of terminal if not used. (As in your photo)
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Dennis Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds. |
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08-14-2020, 11:16 AM
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Registered
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Thanks for all the quick feedback and I will be sure to post in proper area in future.
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08-14-2020, 03:50 PM
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| wiring harness |
72 Porsche 911T
1983 Porsche SC
Carrera
1981 Porsche 911 SC Targa
Heinz
