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Registered User
Join Date: Aug 2014
Posts: 27
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Porsche 930 Gauge Wiring! Please need help!
So I tried this a couple months ago but now its time to get my car back together.
I took a bunch of pictures of the wiring of the gauges but lost my phone and now don't have any of them anymore. I can't figure out what wires go where on the back of the gauges. All of them... Does anyone have a guide or something that tells me what color wires go where on the back of the gauges? Those 4 prong plugs are really confusing and I'm not very good at ready schematics. Please I really need help! Thanks! |
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03-16-2016, 11:29 AM
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Registered User
Join Date: Mar 2012
Location: NC
Posts: 1,236
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What year is your car and is it US or Euro?
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03-16-2016, 12:20 PM
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Registered User
Join Date: Aug 2014
Posts: 27
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Sorry for the delay. Pelican Parts Forums seemed to have crashed right when I posted this and I didn't know if it went up or not.
But its a 1982 Porsche 930 Euro Model. Thanks for all the help, I really truly appreciate it! |
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03-16-2016, 03:21 PM
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Oil Pressure (connector has one green with red stripe wire) and Oil Temp (connector has one green with black stripe wire).
Hope this helps
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Bill 1987 Marine Blue 911 Carrera Coupe RIP 01/2011 1987 Black 930 RUF Coupe Resurrected, 2488 lbs, EFI Technology, UMS Tuned - Mild & Wild, Current in pieces at paint |
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03-16-2016, 08:07 PM
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Registered User
Join Date: Aug 2014
Posts: 27
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brcorp thanks for the help, but I need to know everything. It seems like some of these gauges have 10 wires that attach. and its so confusing.
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03-16-2016, 08:57 PM
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I may be able to take a pic tomorrow - of the rear of gauges - most of the crap in my front trunk is gone. I will see how picable they are. Can prob pull a few and pic also.
I have the wiring diagrams - but they don't seem to nominate the terminal points for the wires. Odd. Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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03-16-2016, 10:56 PM
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I just checked on back of some spare gauges - they are marked at the gauge - you just need the clour codes. easy. I will send everything 2morrow if no one beats me 2 it.
tach is easy bk/vi to TD double r/bk to + double br to -, and one for boost gauge, get 4 you 2morrow. Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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03-16-2016, 11:22 PM
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Bill 1987 Marine Blue 911 Carrera Coupe RIP 01/2011 1987 Black 930 RUF Coupe Resurrected, 2488 lbs, EFI Technology, UMS Tuned - Mild & Wild, Current in pieces at paint |
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03-17-2016, 08:03 AM
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Right, we will start at the RHS of the layout (clock). Because many of the terminals/lights are commonly wired - so it makes no difference which gauge, except physically they are placed in the harness for a particular gauge. If we start at one end and work across we should find everything fits.
Colour codes; the first colour is the primary one, the 2nd colour is the stripe colour. There is a terminal G marked on most gauges - this is the terminal the gauge sender/sensor wire hooks on to. the rest is basically power/earth. Clock - Br on to lug on body (earth) double Bk on +, light bulb Bk/bl (Black/blue stripe) Speedo re/bk +, br/re 31b, br/re and br and gn -, terminal A is spare (they are marked on the white plastic). Lights; you have your park light top center - this is the Wt/gn bulb, the other two bulbs are common (bk/bl) Tacho double re/bk +, bk/Vi TD, double br -, br/wt G (boost gauge). Lights; You have your beam light top center wt/bl, common lights bk/bl, indicator lights; dble bl/wt and bk/gn is left, bl/wt and bk/wt is rt. Oil temp/press; Pressure;dble re/bl +, br - gn/re G. Lights ; common bk/bl, and you have your Gen and oil press lights here; gen - triple re/bk and br, Oil press re/bl and dble gn/wt Temp ; re/bk x4 + , dble br -, gn/bk G, common light bk/bl. Oil press light re/bl, dble gn/wt. Oil level, Fuel level, Oil level; dble re/bl + (one loops over to a fuel light bulb re/bk, bk), G gn/wt. Fuel Dble re/bk + (One loops over to the oil +) common light bk/bl gn G, dble br earth. Just check here - my gauge has two earths - you may need to make sure each has an earth on the terminal - but the schematic only shows a single contact dble br wire. Thats you done. Hopefully.  
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) Last edited by Alan L; 03-17-2016 at 03:27 PM.. |
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03-17-2016, 01:15 PM
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Registered User
Join Date: Aug 2014
Posts: 27
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Oh man! you guys saved me! thank you so much! I'm going to try and get it together tonight. Ill let you guys know how it goes!!!
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03-17-2016, 02:54 PM
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