123 Install Today - GETTING CLOSER..., PROGRESS: BAD MPS |
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
123 Install Today - GETTING CLOSER..., PROGRESS: BAD MPS |
FlacaProductions |
Dec 14 2023, 09:50 AM
Post
#1
|
Senior Member Group: Members Posts: 1,733 Joined: 24-November 17 From: LA Member No.: 21,628 Region Association: Southern California |
74 2.0 D-Jet
Heading to the garage now to start the install and my main, unresolved-in-my-brain question is if i need to hook up the vacuum line that is on my current stock distributor, on the 123. |
FlacaProductions |
Dec 21 2023, 12:25 PM
Post
#2
|
Senior Member Group: Members Posts: 1,733 Joined: 24-November 17 From: LA Member No.: 21,628 Region Association: Southern California |
The difference is that the way I described takes the ignition switch, etc. out of the equation.
My main feed and grounds are in good shape. For example, I get no movement on the voltmeter when turning on my lights, etc. I've tried two coils: new one from 123 as well as a very new one from Pertronix that I was previously using without issue. |
914_teener |
Dec 21 2023, 02:21 PM
Post
#3
|
914 Guru Group: Members Posts: 5,245 Joined: 31-August 08 From: So. Cal Member No.: 9,489 Region Association: Southern California |
The difference is that the way I described takes the ignition switch, etc. out of the equation. My main feed and grounds are in good shape. For example, I get no movement on the voltmeter when turning on my lights, etc. I've tried two coils: new one from 123 as well as a very new one from Pertronix that I was previously using without issue. That's not an example of a proper electrical check; they aren't on the same circuit and the more you don't test anything the more confusion you'll be in. Take the time to do what you are asking advice for. Here is a link to the wiring diagram; http://914world.com/bbs2/index.php?showtopic=331099 Learn to read it. There could be a bad trace on your regulator or copper trace circuit board. Also, as Ed has suggested...if your ignition switch is old...you may be getting intermittent contact and since you installed it incorrectly the first time it could have arced the contacts on the switch. Node number 6 is the coil and as you can see it's from the yellow wire for the primary feed which goes through the regulator plate. To do a resistance check, you would need to test the resistance across the trace. You could have 12 volts testing it without a load but when you turn the key...maybe just intermittently when the trace heats up. Have had it happen to me. You need to be methodical when testing and not wishful....or magical thinking...sorry but that's been my experience. Electrical issues are usually the most challenging and one needs to have or take time to diagnose them properly. Good luck and Godspeed. |
Lo-Fi Version | Time is now: 19th September 2024 - 03:44 PM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |