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  One wire Alt. hook-up

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Author Topic:   One wire Alt. hook-up
Gary
Gearhead

Posts: 713
From: Sarasota, Fla. USA
Registered: Jun 99

posted 03-28-2001 07:49 AM     Click Here to See the Profile for Gary   Click Here to Email Gary     Edit/Delete Message   Reply w/Quote
Ok, I purchased a new wiring harness for the engine bay and a new 100amp chrome alt. How do you guys hook the alt. up, and what do you do with the exsisting left over wires--cut them off? I know the alt. wire goes to the starter sol. Just curious what to do with the big plug thats part of the stock wiring harness that goes to the stock type regulator. Is it a snip snip deal to eliminate, then elec. tape it over flush with the loom? Don't plan to go back to a regular regulator but hate to cut up a new harness. Inquiring minds what to know whats the best thing to do..lol

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steve'66
Gearhead

Posts: 5272
From: Sonoma,CA,USA
Registered: Mar 2000

posted 03-28-2001 10:55 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Can you wrap the plug up into the harness. It would be nice not to butcher the new harness. The one wire alternator only need the large 8 or 10 ga wire to the solenoid.

SteveW

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460-67Stang
Gearhead

Posts: 184
From: Southern Ohio, USA
Registered: Feb 2001

posted 03-29-2001 10:03 AM     Click Here to See the Profile for 460-67Stang   Click Here to Email 460-67Stang     Edit/Delete Message   Reply w/Quote
Sorry gang! I just created another post on this subjet. My bad! Let's use this one.

Gary - We'll share whatever we learn. Hows the radiator coming?

Brian

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460-67Stang
Gearhead

Posts: 184
From: Southern Ohio, USA
Registered: Feb 2001

posted 03-29-2001 10:07 AM     Click Here to See the Profile for 460-67Stang   Click Here to Email 460-67Stang     Edit/Delete Message   Reply w/Quote
Gary,
Someone referred me to www.pa-performance.com. They have a wiring harness anbd "pass through" regulator which is supposed to allow you to run a single wire alt yet retain all the original wiring and connectoins. Won't help me though as I'm looking to delete as much wiring mess as possible.

Brian

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Dave_C
Gearhead

Posts: 641
From: Gadsden, Al
Registered: Aug 99

posted 03-29-2001 11:45 AM     Click Here to See the Profile for Dave_C   Click Here to Email Dave_C     Edit/Delete Message   Reply w/Quote
I have a one wire conversion on the Ford alternator in my 69.

I just unplugged and removed the regulator. Then I cut the wires close to where they enter the main harness. I left enough to use crimp on connectors if I ever wanted to go back. Very unlikely as the one wire works great. Did the same for the alt wires. Then taped then all off. You never notice it.

The wire coming off the alternator is 10 ga. and is connected to the solenoid switch on the fender.

Later,

David Cole

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460-67Stang
Gearhead

Posts: 184
From: Southern Ohio, USA
Registered: Feb 2001

posted 03-31-2001 10:18 AM     Click Here to See the Profile for 460-67Stang   Click Here to Email 460-67Stang     Edit/Delete Message   Reply w/Quote
David,
Thanks for your advice. So, there were no circuits affected by just cutting the wires short?

Thanks,
Brian Bulow

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460-67Stang
Gearhead

Posts: 184
From: Southern Ohio, USA
Registered: Feb 2001

posted 03-31-2001 01:20 PM     Click Here to See the Profile for 460-67Stang   Click Here to Email 460-67Stang     Edit/Delete Message   Reply w/Quote
David,
Another thought/question:
Did you hook up the factory Ammeter? How? The single wire convertor on the back of the alternetor has a connection for an idiot light, but it says NOT to use it for an ammeter.

By the way, you can see the exact convertor that came on my alternator from www.motorchrome.com at:
http://www.falconparts.com/search_result.asp?DESCRIPTION=&MANUFACTURER=ALL&CATEGORY=ALL&PRODUCT_ID=F7078

Looks like falconparts.com has the same supplier as motorcharome.com.

There's a Q&A section there - I'll leave a question and share the reply here.

Thanks for you help.

Brian

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Dave_C
Gearhead

Posts: 641
From: Gadsden, Al
Registered: Aug 99

posted 03-31-2001 03:38 PM     Click Here to See the Profile for Dave_C   Click Here to Email Dave_C     Edit/Delete Message   Reply w/Quote
No, I didn't hook up the ammeter. It never worked from the time I bought the car in 1991. The factory wiring harness was too mangled up around the regulator. Someone had cut/spliced/repaired/screwed it up.

Last summer when I back-halfed the car I went to an aluminum dash anyway. No ammeter. One water temp, oil pressure and tach. Might add a voltmeter in the future.

The regulator that I have is the same one sold by falconparts.com, but I bought mine locally.

BTW, i ran the regulator with a large 5" alt pulley and a 6" crank pulley. Helps to slow the alt down on those 7K rpm passes. Even with the alt slowed down that much it will start charging at 1500 rpm.

All the one wire setups require that you rev the engine to excite the alternator when you first start it up. With mine I rev it to 1500 and from then on it will put out 14.8V from idle all the way to the shift point. Once it has been excited the first time it stays charging.

Later,

David Cole

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