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Join Date: Jan 2005
Location: Dallas Tx
Posts: 900
Garage
Need help with wire identification

I have these 2 connectors in the back left rear of the car, (i have the engine out) and i cant identify this connector or wires in the wiring diagram. Can anyone identify the connectors and wires (what colors go where)?

I know the connector has something to do with the ignition, but the stock ignition has been taken out. So I am trying to identify the fuction of each so I can rebuild a better harness.



https://docs.google.com/open?id=0B7kSG6sWifb1OVJ5eUI2UmtzdnM

https://docs.google.com/open?id=0B7kSG6sWifb1VERoVlgxeFEzbjg

https://docs.google.com/open?id=0B7kSG6sWifb1LXpsOTNsejBvWk0

https://docs.google.com/open?id=0B7kSG6sWifb1YS1xc3ZTTHJ2a00

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Signature Phrase " CATCH ME IF YOU CAN"
1988 Porsche 930 "Squerly" Built by "Porsche Doc"
--------------------------
1974 Porsche 911 (2003 - 2012)
2000 Boxster S (2006 - 2008)
Old 05-03-2012, 06:56 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
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Join Date: Apr 2011
Posts: 235
Hi
The 6 pin plug is for the original Bosch CDI box, and the small round wire coming off is the tach signal connector. Its likely that an aftermarket ignition box has been spliced in upstream of this connector.

Once you open up the harness you'll find out where they have spliced in and you can probably ditch the plug if you don't plan on putting a stock CDI box back in. In terms of wiring, the 6 wires on the connector are:

switched power (via run on relay) = red/white,
ground = brown and brown/white (for coil),
coil + = white,
distributor signal and shield = green and shield, and
tach output = dark purple.

Cheers.
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1988 930: 3.5L 100mm LN slipins, LN FFA rods, Supertec studs, GT3582R with T4 1.07A/R twin scroll housing, RarlyL8 equal length divided headers, dual Tial MVS 38mm WG's, Carrera 3.2 heads with 993 big valves. 964 Cams, full bay IC, KEP st1 clutch. PE3 sequential ECU with 750cc EV14 injectors, CoP twin plugs, J&S Safegaurd, Aquamist HSF3 water inj. Wavetrac LSD.
Old 05-04-2012, 12:26 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)
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Join Date: Jan 2005
Location: Dallas Tx
Posts: 900
Garage
Thanks

That helps alot...I dont have a stock ignition system installed so i am trying to rebuild the harness....its a mess.

Chris

__________________
Signature Phrase " CATCH ME IF YOU CAN"
1988 Porsche 930 "Squerly" Built by "Porsche Doc"
--------------------------
1974 Porsche 911 (2003 - 2012)
2000 Boxster S (2006 - 2008)
Old 05-04-2012, 05:48 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
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