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hipdoc's Avatar
 
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Wiring harness

Im trying to remove my wiring harness completely but not sure which way go. Do I remove the wires from the gauges, take off the shrink wrap and pull it out from the rear? Whats the easiest way? Right now it's a tangled mess. Thx
Old 11-07-2011, 08:53 AM
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I read someone detached it from the rear 14pin connector and pulled from the front opening at the tunnel if you mean the center tunnel harness. It would help if someone could feed from below at the rear firewall and use some lubricant on the harness to make it slide easier. IIRC there are about 25 wires on the center tunnel big harness.
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Old 11-07-2011, 09:55 AM
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If you can avoid removing it...I would!! Pulling it out is a PITA...putting it back in is even worse!
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Old 11-07-2011, 10:01 AM
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It's stuffed in there. I just tried to route one wire through the tunnel passage where the other wires go but no go for me. I don't get why they utilized only a small passage for the looms?
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Old 11-07-2011, 10:12 AM
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I have added wiring, removed all the tunnel wiring, repaired, and reinstalled
more times than I care to remember.
Remove the tunnel carpet, the shifter assy, the rear coupler cover,
and coupler. This will give you 3 points,through which, you can access the
harness. If you then start at the rear and pull to the coupling cover, then the
shifter hole, and then the forward access hole you can get at any part of the
harness relatively easily.

Cole
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Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.

Last edited by cole930; 11-07-2011 at 10:42 AM..
Old 11-07-2011, 10:35 AM
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On mine the shifter hole has no access to the harness passage?
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Old 11-07-2011, 10:42 AM
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Bus Man:

You are absolutely correct about access through the shift lever cavity. I ran
a self made wiring harness from the engine compartment to a termination
chassis I made and installed under the passenger seat. The panel services
sensors and inputs to a LM1 as well as dash aux switches and boost controller
wiring. I cut out part of the harness passage and then ran the new seperate
harness in the same cavity from the rear of the car to the pass seat area and
then forward to under the dash. Definatly not something I would consider
recreation.





Cole
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Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.

Last edited by cole930; 11-07-2011 at 06:24 PM..
Old 11-07-2011, 05:48 PM
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No one can keep up with the old man. No matter how hard you try.
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Old 11-07-2011, 07:49 PM
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Cole: You don't happen to have written a wire color diagram of those wires in the center tunnel? It would help a lot repairing mine. I have the pdf but it's so messy it's hard to make sense out of it.

So far I've figured I need to replace the grey/red wire and it's the right reverse light. I might even do a similar terminal to make troubleshoting easier later on.
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Last edited by smurfbus; 11-07-2011 at 10:36 PM..
Old 11-07-2011, 10:31 PM
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A wiring diagram would be of great help?? Is the main harness on a 1987 911 Carrera the same on a 1987 930??
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1987 Marine Blue 911 Carrera Coupe RIP 01/2011
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Old 11-08-2011, 07:07 AM
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Bus Man:

I lost much of my reference material in a hard drive crash on my old
computer. I do have some old disks and a couple memory sticks I once used for
backing up files. I'll go through them this evening and see what I can find.

JB:

Thanks but I really pale in comparison to guys like Richard (Motley 911)
and Jim (Jim2). Those two are the very best for being amateurs. The quality
of their work really is art. I've always done my own work and just try to make
things look halfway decent and work properly. If it were financially possible the
Sled would be in Mesa, Az with the "Horsepower God", it doesn't get any better
than Chris and the TurboKraft guy's.

Cole
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Cole - 80 930 "The Old Sled"
Mods: TurboKraft Custom IC, 934 Headers, GSX 61, Zork, Port Work, SC Cams, Air Mod Fuel Dist Relocated, Water Meth Injection, BL WUR, MSD 6530, Greddy EBC, Synapse Bov, Short 2nd & 3rd with 8:37 R&P, Wevo Shifter, Coupling, and Mounts, MTX-L SSI-4, Big Brakes, Rebel Coilovers, Bilstein Sports.
Old 11-08-2011, 07:49 AM
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I can tell you with 100% confidence that the 1986 (not 1987) Carrera is completely different from the 930. Remember, the Carrera had a DME box. The 930 is CIS. I just did this conversion and basically had to rewire everything. The only good news is that a few of the gauge wires are the exact same color in the harness, but you will have to build a jumper from the 14 pin engine connector.
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Old 11-08-2011, 08:25 AM
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I made a memo of my gauge wires with google docs if that helps. Might be different from yours and seems like the wiring was not quite stock either.
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Old 11-08-2011, 09:11 AM
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Old 11-08-2011, 09:12 AM
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I have the 930 diagram in pdf...13mb..PM me if you need it...I can't find the link where I got it originally
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Old 11-08-2011, 09:15 AM
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I have the "930 Volume 2b Electrics.pdf" but it's very blurry when you need to read the small text.
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Old 11-08-2011, 09:32 AM
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