Alternator Smoke - Page 2 - Diesel Forum - TheDieselStop.com
Power Strokes 1994-1997 General Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.

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post #16 of 22 (permalink) Old 02-21-2009, 01:22 PM
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Alternator Size

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Originally Posted by xfordtdm View Post
I used to test and build Ford alternators at the Rawsonville Ford plant. The voltage regulators rarely go bad, it's the brushes that wear out. The dealer will sell you a set for about five bucks. Your alternator is a 3G model.

I believe your rectifier is fried. The plasma coating on the rectifier probably got fried when the diodes cooked. That black crusty stuff is plasma coating. Just get a reman and be done with it.


So what is the biggest alternator I can get and mount in the same place on my 96 7.3 PSD ? I plan to install some MONDO lights on my F250. You know, lights that will simply blow that other driver OFF THE ROAD when I turn them on. (figuratively, you know)
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post #17 of 22 (permalink) Old 02-21-2009, 04:34 PM
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Good question. We manufactured over 100 different 3g models. I don't own my 97 anymore but I think it was 130 amps. This is more than your truck should ever need. There is a bearing cove on the back of the alternator that has an ink jet print on it. It should say the amperage.

I purchased my 2001 with dual alternators. Way overkill.
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post #18 of 22 (permalink) Old 02-21-2009, 05:49 PM
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Hey, when I Googled 3G alternators I found this site

http://www.alternatorparts.com/3G_products.htm

and they also have the pigtail I believe.

'94 F250 supercab 4x4, original owner, 4.10LS, DIY elec fuel, Tymar air intake, Adrenaline HPOP, Beans tunes on 4 position VA chip, VDO gauges (boost,pyro, outside temp), Ford digital AIC, DPPI downpipe, gutted EBPV and turbo pedestal mod, Con OFE clutch, add-a-leafs front and rear, Monroe Reflex shocks, Milemarker 449SS hubs, towing 25' Mallard travel trailer

coming soon: 6.0 IC
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post #19 of 22 (permalink) Old 02-24-2009, 12:01 AM
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Quote:
Originally Posted by nashvillebill View Post
Hey, when I Googled 3G alternators I found this site

Ford Motorcraft 3G type Alternators, Ford alternator repair

and they also have the pigtail I believe.
Yup, thems the parts!!! Good call. Ford stopped making alternators about 4 months ago.

2001 f250: AFE stage 2, Banks Monster exhaust w/power elbow and bighead wastegate, autometer pillar guages, kcm crossover, ccv delete, ITP over boost annihilator, dp 6 pos stock, 40,60,80econ,100,120, BTS Tranny, FS2500 soot sucker bypass oil filtration.
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post #20 of 22 (permalink) Old 02-24-2009, 08:29 PM
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So...I still have my original alternator after 15 years and 110,000 miles. Would it be cost-effective to rebuild this alternator myself (new rectifier, regulator, and bearing) or cheaper just to buy a rebuilt one from aftermarket store? Am I overlooking any other parts I'd need, and is there anything special about rebuilding it?

p.s. I'm not having trouble (yet) but thinking about future preventive maintenance.

'94 F250 supercab 4x4, original owner, 4.10LS, DIY elec fuel, Tymar air intake, Adrenaline HPOP, Beans tunes on 4 position VA chip, VDO gauges (boost,pyro, outside temp), Ford digital AIC, DPPI downpipe, gutted EBPV and turbo pedestal mod, Con OFE clutch, add-a-leafs front and rear, Monroe Reflex shocks, Milemarker 449SS hubs, towing 25' Mallard travel trailer

coming soon: 6.0 IC
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post #21 of 22 (permalink) Old 02-27-2009, 11:02 PM
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200 AMP Alternator

Between xfordtdm and nashvillebill, I think I know what to look for now. Alternators aren't all that complicated and if I can physically fit a 200 to my belt setup, I'll be good to go.

I want to support a 100 watt police siren/PA-System, a compressor to run my air horns and a 100 Amp 110volt AC generator to run other accessories. The 200 should fill the bill quite nicely. IF I can find one....

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post #22 of 22 (permalink) Old 02-28-2009, 11:36 PM
 
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Not sure where to find it...

I have seen several places over the years that offer a high output style that was made for ambulances.... its been a while since I looked but I am sure they are still out there....
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