Notices
928 Forum 1978-1995
Sponsored by:
Sponsored by: 928 Specialists

Help! Oil Pressure connector cap

Thread Tools
 
Search this Thread
 
Old Mar 6, 2004 | 03:34 PM
  #1  
ROG100's Avatar
ROG100
Thread Starter
Basic Sponsor
Rennlist
Site Sponsor

20 Year Member
 
Joined: Jan 2003
Posts: 16,948
Likes: 1,057
From: Double Oak, TX
Question Help! Oil Pressure connector cap

Hi All,

There are three wires that go into the cap that locates over the three pins on top of the oil pressure sensor. I am pretty sure that is what it is. It is next to the oil filter and the oil drain plug.

One of the wires (brown/red) has sheared of right at the point were it enters the plastic cap. The cap does not appear to be serviceable and I can't see where the three wires go to as they disappear up into the engine area.

Is this part of the harness? Can I replace this part of the harness?
Is the cap serviceable in any way so I can reattach the wire.

I assume the car is drivable as I need to pull it back into the garage.

Any help would be well received.

Best,
Roger
__________________

Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission? George Layton March 2014

928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."






Reply
Old Mar 6, 2004 | 09:00 PM
  #2  
Garth S's Avatar
Garth S
Rennlist Member
20 Year Member
 
Joined: Oct 2003
Posts: 7,210
Likes: 17
From: Nova Scotia
Default

I can't be of any direct assistance, as the oil pressure transducer changed to a 3 wire (from 2) in MY '89 on: however, the wire connections on the previous sensors were via threaded brass studs/7mm retaining nuts, or push on spades.
As this wiring has to be detached to service either the transducer or the alternator, I'd guess that any cap is for weather sealing and would be detachable to allow access to wire connections within: I'd try to remove the cap and repair the lead. (the sensor/transducer threads in, so the harness must detach at some point).
Reply
Old Mar 7, 2004 | 10:52 AM
  #3  
ROG100's Avatar
ROG100
Thread Starter
Basic Sponsor
Rennlist
Site Sponsor

20 Year Member
 
Joined: Jan 2003
Posts: 16,948
Likes: 1,057
From: Double Oak, TX
Default

Garth,
Thanks for the support.
The cap is removable (round, plastic with three female connector recepticles).
My problem is that the cap cannot be dismantled and the wire has sheared at the exact point of entry into the cap. There is no wire left protruding from the cap for me to attach anything to.
If there was a small amount of wire I could make a repair - theres nothing.
I am thinking about cutting open the cap - nothing to lose - and going from there.
On Monday I will see if I can buy that part of the harness. I would then remove the cap with ample wire and re attach to my existing harness.
Roger
Reply
Old Mar 7, 2004 | 11:39 AM
  #4  
Garth S's Avatar
Garth S
Rennlist Member
20 Year Member
 
Joined: Oct 2003
Posts: 7,210
Likes: 17
From: Nova Scotia
Default

`Roger,
While a picture would be better, I'm starting 'to see the picture'.
With many electrical connectors, the female portions are retained in the socket (cap, in this case) via a spring clip: sliding a very thin blade between the plastic and brass will often release the connector, at which point the wire can be threaded thru the back side and recrimped/soldered to the female connector - then drawn back into its' slot.
If the connector did not release this way, a minor surgery with a Dremel cutting wheel (or tool of choice) should get you there. You can 'close' the surgery with almost anything non conductive - potting compound/epoxy/electrical tape.
- might not be a bad idea to disconnect the battery ground strap before scrubbing up!
Reply
Old Mar 7, 2004 | 09:57 PM
  #5  
ROG100's Avatar
ROG100
Thread Starter
Basic Sponsor
Rennlist
Site Sponsor

20 Year Member
 
Joined: Jan 2003
Posts: 16,948
Likes: 1,057
From: Double Oak, TX
Default

Garth,
The surgery worked!
Where the three wires enter the cap is a solid piece of plastic. I "whittled" away the plastic around the offending wire and managed to set free about 3/8" of wire.
I attached a new piece of wire by soldering and crimping a connector.
Re attached all three wires to the harness using the same process and covered everything with heat shrink (individual connections as well as the whole group of three wires.
Looks good and works a treat.
I am still going to research replacement of the cap/harness.
Best,
Roger
Reply




All times are GMT -3. The time now is 03:50 AM.

story-0
Theon Goes Full Carbon Fiber With Stunning New Build

Slideshow: Built around a carbon-bodied 964 and a naturally aspirated 4.0-liter flat-six, this bespoke commission highlights how far the restomod formula has evolved.

By Verdad Gallardo | 2026-06-06 14:41:46


VIEW MORE
story-1
Six Genius Porsche-Themed Gifts That'll Make Any Dad or Grad Smile

Slideshow: Six genius gifts that'll make any Dad smile.

By Joe Kucinski | 2026-06-04 04:58:13


VIEW MORE
story-2
10 Used Porsches Are Selling for Way Too Cheap

Slideshow: These 10 used Porsches offer more driving thrills than their price would suggest.

By Joe Kucinski | 2026-06-03 09:11:13


VIEW MORE
story-3
Tuner Is Converting Porsche 911s Into Shooting Brakes

Slideshow: A Polish Porsche specialist is moving ahead with one of the most unusual 911 conversions in recent memory: a shooting brake version of the 991-generation sports car.

By Verdad Gallardo | 2026-06-01 19:46:47


VIEW MORE
story-4
This Coachbuilt Creation Is A Modern Take on the Legendary Porsche 917

Slideshow: A Porsche Carrera GT has been transformed into a one-off coachbuilt machine that blends analog supercar engineering with styling inspired by the legendary 917 race cars.

By Verdad Gallardo | 2026-06-01 17:06:04


VIEW MORE
story-5
Is This Convertible Cayenne A Steal, Or A Returnless Investment?

Slideshow: A heavily modified Porsche Cayenne convertible with faux wood trim and a long list of flaws recently sold at auction for surprisingly little money.

By Verdad Gallardo | 2026-05-29 18:52:37


VIEW MORE
story-6
10 Best Non-Flat Six Porsches You Can Buy For Under $100K

Slideshow: If you have $100K to spend on a Porsche but want something a little different, these are the 10 best non-flat six Porsches you can buy.

By Joe Kucinski | 2026-05-28 15:36:11


VIEW MORE
story-7
Porsche's Top 5 Most Questionable Naming Decisions

Slideshow: For a company obsessed with engineering precision, Porsche has occasionally named its cars in ways that left even loyal enthusiasts scratching their heads.

By Verdad Gallardo | 2026-05-27 18:43:48


VIEW MORE
story-8
Pogea Racing's 964 Porsche 911 Reimagination Stands Out in a Crowded Field

Slideshow: Pogea Racing's latest Porsche 964 project blends carbon-fiber construction, modern chassis upgrades, and up to 500 horsepower while keeping the air-cooled 911 experience firmly analog.

By Verdad Gallardo | 2026-05-23 10:34:27


VIEW MORE
story-9
6 Convertible Top MYTHS Most People Don't Understand!

Slideshow: dispelling common convertible top myths

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE