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> 914-6 conversion wiring guidance
mb911
post Apr 13 2020, 01:35 PM
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I have 90% of the harness connections made.. My biggest issue is that I am not 100% sure where the voltage regulator wires in.. Should the blue DF wire go to the regulator from the engine go to the regulator then back to the main harness? What about the black wire from the alternator? I believe that hooks onto the brush pack on the back of the alternator but does that directly hook into main harness plug?

I have everything else figured out.. Attached Image
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mb911
post Apr 13 2020, 01:43 PM
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Looks like the DF wire is actually the black wire.. So does the blue wire make a side track to the regulator as well?

http://forums.pelicanparts.com/porsche-911...ing-ground.html
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ClayPerrine
post Apr 13 2020, 01:53 PM
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What year is your engine/alternator? Is it internally regulated or externally regulated?

Clay
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mb911
post Apr 13 2020, 01:57 PM
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Clay its a 73 engine with a fresh SEV Marchal alternator
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ClayPerrine
post Apr 13 2020, 02:10 PM
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It should wire up exactly like the /4 alternator, with the exception that the wiring is contained in the engine harness. You can separate it from the engine harness so you can remove the engine harness without removing the fan shroud.

You can even extend the wires on a /4 alternator harness to make it work.

And use a Marchal regulator, not the Bosch one. It works better with the Marchal alternator.

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dr914@autoatlanta.com
post Apr 13 2020, 02:16 PM
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I cannot remember, but have the correct wiring advice in my pamphlet "how to convert if someone could swipe it and post here for ben
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914forme
post Apr 13 2020, 03:11 PM
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The author is agreeing to intellectual property swipage. (IMG:style_emoticons/default/screwy.gif)

Where did I put that phampleqte

See below, credit taken from credit given. George Asked gladly deliver

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914forme
post Apr 13 2020, 03:15 PM
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It is a nice little book, and reference to have around, if you can afford it, it is one of the nice pieces that truly help the 914 world.
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914forme
post Apr 13 2020, 03:20 PM
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And the other two pages of wiring reference.

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dr914@autoatlanta.com
post Apr 13 2020, 03:22 PM
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Thank you.
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914forme
post Apr 13 2020, 03:24 PM
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More than welcome
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mb911
post Apr 13 2020, 03:43 PM
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Thanks.. Now keep in mind not using the relay board.. I checked the wiring diagrams and believe this is correct.. I temped in the regulatorAttached Image
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mlindner
post Apr 13 2020, 04:15 PM
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Hey Ben, get a hold of Perry Kiehl. I think he would have the answer for you. Best, Mark
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mb911
post Apr 13 2020, 04:17 PM
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I will ping @ironhillrestorations
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IronHillRestorations
post Apr 13 2020, 05:28 PM
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The blue charge light wire goes to D+
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mb911
post Apr 13 2020, 05:41 PM
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Thats how I have it wired.. Thanks
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roblav1
post Apr 13 2020, 06:00 PM
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Holy cow! Thank you. I'm at the same place as Ben, but my engine is 930/02 with a new internal alternator.
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IronHillRestorations
post Apr 13 2020, 06:01 PM
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You should've told me you needed the terminals. I have the locking ones for the VR plug
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raynekat
post Apr 13 2020, 08:59 PM
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QUOTE(mb911 @ Apr 13 2020, 12:57 PM) *

Clay its a 73 engine with a fresh SEV Marchal alternator


Hope you are not using a Bosch voltage regulator with that SEV Marchal alternator. It's a mismatch big time and you'll not have enough voltage at the battery.
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ClayPerrine
post Apr 14 2020, 02:46 AM
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QUOTE(roblav1 @ Apr 13 2020, 07:00 PM) *

Holy cow! Thank you. I'm at the same place as Ben, but my engine is 930/02 with a new internal alternator.


Yours is very simple. Look at the 4 cylinder relay board. there is a 3 pin connector where the /4 alternator harness plugs in. Coming from the alternator, there is a single blue wire. Hook the single blue wire to the front most pin on the 3 pin alternator connector.

Clay
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