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Search took 0.07 seconds. Search: Posts Made By: johnman001
Forum: Porsche 911 Technical Forum 12-27-2025, 07:59 PM
Replies: 11
Views: 570
Posted By johnman001
Not sure if it needs to go deeper or if the metal...

Not sure if it needs to go deeper or if the metal clip needs to seat down. From my experience, the spring isn't catching well enough behind the "ears", so I made the area behind the ears smaller so...
Forum: Porsche 911 Technical Forum 12-27-2025, 01:01 PM
Replies: 11
Views: 570
Posted By johnman001
If you look closely at the plug attached to the...

If you look closely at the plug attached to the CHT sensor, there are two "ears" protruding from the connector. These "ears" are supposed to keep the metal clip engaged so that the connector on the...
Forum: Porsche 911 Technical Forum 12-19-2025, 11:48 AM
Replies: 11
Views: 205
Posted By johnman001
No loose wires where they had the harness cut...

No loose wires where they had the harness cut open and no O2 sensor plug, so all I can assume is that this is a Euro harness, and that they made some kind of hack a long time ago which is now undone.
Forum: Porsche 911 Technical Forum 12-19-2025, 08:48 AM
Replies: 11
Views: 205
Posted By johnman001
Thanks! I made that a while back. ...

Thanks! I made that a while back.

http://forums.pelicanparts.com/uploads26/IMG_1657_small1766162863.jpg
Forum: Porsche 911 Technical Forum 12-19-2025, 08:41 AM
Replies: 11
Views: 205
Posted By johnman001
Yes, Sal, you were 100% correct. I unwrapped...

Yes, Sal, you were 100% correct.

I unwrapped the tape and they had cut the harness almost all the way back to the connector. The wires were spliced there. I spliced the wire from the cyl head...
Forum: Porsche 911 Technical Forum 12-19-2025, 07:38 AM
Replies: 11
Views: 205
Posted By johnman001
Are you positive? It really does not look...

Are you positive? It really does not look hacked, except the wires don't seem to match anything else with the harness. Thank you for confirming.

I have all the factory current flow diagrams and...
Forum: Porsche 911 Technical Forum 12-18-2025, 04:03 PM
Replies: 83
Views: 5,688
Posted By johnman001
http://forums.pelicanparts.com/uploads26/IMG_5697_...

http://forums.pelicanparts.com/uploads26/IMG_5697_small21766102518.jpg


1974 911, 1987 3.2
Forum: Porsche 911 Technical Forum 12-18-2025, 03:30 PM
Replies: 11
Views: 205
Posted By johnman001
http://forums.pelicanparts.com/uploads26/IMG_3633_...

http://forums.pelicanparts.com/uploads26/IMG_3633_small_marked1766100534.jpg
http://forums.pelicanparts.com/uploads26/IMG_3634_small1766100534.jpg

Here are pictures of my mystery connectors. ...
Forum: Porsche 911 Technical Forum 12-18-2025, 02:33 PM
Replies: 11
Views: 205
Posted By johnman001
911 3.2 DME Wiring Harness Questions

I have a 911 3.2 DME Wiring harness that doesn't match any of the diagrams that I have.

Close to the DME plug (where it would attach to the DME itself), there are a couple of connectors that I...
Forum: Porsche 911 Technical Forum 10-22-2024, 08:42 PM
Replies: 17
Views: 2,328
Posted By johnman001
No problem. I hate reading some of the threads...

No problem. I hate reading some of the threads where you never know if the problem was solved or what actually solved the problem. I try to post what was done to solve the problem if I can.
Forum: Porsche 911 Technical Forum 10-22-2024, 08:39 PM
Replies: 17
Views: 2,328
Posted By johnman001
This is confirmed. The sensor is a simple device...

This is confirmed. The sensor is a simple device consisting of a standard micro switch and a pressure capsule.

The pressure capsule below 1000m (3,280 ft above sea level), does not press against...
Forum: Porsche 911 Technical Forum 10-21-2024, 08:18 PM
Replies: 17
Views: 2,328
Posted By johnman001
So, as a follow-up, my running issue seems to...

So, as a follow-up, my running issue seems to have fully disappeared by unplugging my shorted altitude sensor.

The car once again seemingly has full power and pulls strong all the way to the rev...
Forum: Porsche 911 Technical Forum 10-08-2024, 07:38 PM
Replies: 17
Views: 2,328
Posted By johnman001
Thanks for those replies. I think I may take the...

Thanks for those replies. I think I may take the car out this weekend to see if my issue seems to be gone. I suspect it just might be. I have downloaded and archived most of the wayback machine as...
Forum: Porsche 911 Technical Forum 10-07-2024, 10:20 AM
Replies: 17
Views: 2,328
Posted By johnman001
It might be a while before I end up with...

It might be a while before I end up with definitive results, but so far, this is the only item that I can find that didn't check out.

Since the device is a limit switch that would otherwise be...
Forum: Porsche 911 Technical Forum 10-06-2024, 07:54 PM
Replies: 17
Views: 2,328
Posted By johnman001
So I took the Altitude Correction Sensor apart. ...

So I took the Altitude Correction Sensor apart. Inside is a sealed expansion diaphragm, a spring loaded plunger and a snap action micro switch (Omron brand). Upon investigating it looks like the...
Forum: Porsche 911 Technical Forum 10-06-2024, 04:16 PM
Replies: 17
Views: 2,328
Posted By johnman001
1987 911 3.2 Motronic Question(s)

I've been fighting a running issue with a 3.2 Motronic engine for some time now and have been doing a bunch of testing, but not definitively finding my problem. I even have gone so far as swapping...
Forum: Porsche 911 Technical Forum 11-04-2023, 08:49 PM
Replies: 16
Views: 812
Posted By johnman001
Just another guess, but, I'm with the others who...

Just another guess, but, I'm with the others who are guessing speed/reference sensors. Be aware that bad ones can still read within good ohm range (0.6-1.6k ohms). The oscilloscope test is more...
Forum: Porsche 911 Technical Forum 09-21-2023, 10:14 AM
Replies: 3
Views: 567
Posted By johnman001
Not sure what a cold start valve is on a 3.2. ...

Not sure what a cold start valve is on a 3.2.

There is an idle stabilizer that sometimes can go bad and the idle will ramp up/down, but also if someone has been incorrectly setting the base idle,...
Forum: Porsche 911 Technical Forum 09-20-2023, 10:27 AM
Replies: 344
Views: 83,367
Posted By johnman001
First off, sorry for going so far back in an old...

First off, sorry for going so far back in an old thread, but.....

Sal, is it possible to re-post the two schematic PDFs (911_dig.pdf & 911_an.pdf) as the links are dead. Thank you!
Forum: Porsche 911 Technical Forum 09-19-2023, 12:08 PM
Replies: 8
Views: 627
Posted By johnman001
I used to get them from EagleDay.com, but it...

I used to get them from EagleDay.com, but it appears that they are gone now. These are called Junior Timer Connectors. You can google search for the housings, plugs and pins. Some of the other...
Forum: Porsche 911 Technical Forum 09-15-2023, 04:08 PM
Replies: 5
Views: 803
Posted By johnman001
http://forums.pelicanparts.com/uploads26/Flywheel_...

http://forums.pelicanparts.com/uploads26/Flywheel_Sensors1694819303.JPG

Flywheel sensors for reference
Forum: Porsche 911 Technical Forum 09-15-2023, 04:02 PM
Replies: 5
Views: 803
Posted By johnman001
To follow up (I hate posts that don't come to...

To follow up (I hate posts that don't come to conclusion).

The marks on the rotor weren't the root cause of the misfire. I ran the car afterwards with the same exact results. The car would start...
Forum: Porsche 911 Technical Forum 09-13-2023, 12:27 PM
Replies: 5
Views: 803
Posted By johnman001
911 3.2 Engine Misfiring

Welcome to another thread on a misfiring 3.2 Motronic engine.

I've had this engine in the track car since 1991 and at the last track event, it started acting up once again. Driving under heavy...
Forum: Porsche 911 Used Parts For Sale & Wanted 05-30-2021, 10:03 AM
Replies: 4
Views: 464
Posted By johnman001
PM Sent for right and left struts.

PM Sent for right and left struts.
Forum: Porsche 911 Used Parts For Sale & Wanted 05-23-2021, 11:54 AM
Replies: 0
Views: 145
Posted By johnman001
WTB: 1974-1989 Front Struts/Hubs/Calipers/Rotors

Wanted in good condition (no bent struts), pair of front struts, hubs, brake calipers, and rotors from 1974-1989 911. I would prefer BOGE, but would consider KONI or BILSTEIN struts. These will be...
Showing results 1 to 25 of 479
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