keep blowing Voltage regulator wtf
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Old June 8th, 2009, 10:19 AM   #1
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keep blowing Voltage regulator wtf


old school 84 5.0 still with the external voltage regulator.
however i have blown 2 now in the course of a week.
I did notice that the engine ground to the fire wall was loose.
also there is no ground from the battery to the wall/chassis.
The battery ground only goes to the engine.
could this be the problem??
or anyother suggestions would be great
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Old June 8th, 2009, 11:04 AM   #2
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I think you have pretty much answered your own question....LOL
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Old June 8th, 2009, 03:48 PM   #3
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ok. soo this 5.0 used to be a v-6 from 1984. this adds some excitment when trying to figure out this wiring crap. there was only two wires hooked up to the alternator and nothing hooked to either the fld spot or the stator spot. i am totaly lost.
so i figured screw this crap and install one of the 1 wire 3 G units as described in many articles on this site.
problem: so i go and find a 1993 taurus 3.8 L alternator, and get ready to install, only to find the bolt pattern is 1.5" too far apart. wtf
are there multiple alternators for this year. it looks way too big to install
getting very frustrated

Last edited by hopper; June 9th, 2009 at 08:19 AM.
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Old June 9th, 2009, 08:20 AM   #4
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anyone???
anyone???
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Old June 9th, 2009, 08:55 AM   #5
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Originally Posted by hopper View Post
ok. soo this 5.0 used to be a v-6 from 1984. this adds some excitment when trying to figure out this wiring crap. there was only two wires hooked up to the alternator and nothing hooked to either the fld spot or the stator spot. i am totaly lost.
so i figured screw this crap and install one of the 1 wire 3 G units as described in many articles on this site.
problem: so i go and find a 1993 taurus 3.8 L alternator, and get ready to install, only to find the bolt pattern is 1.5" too far apart. wtf
are there multiple alternators for this year. it looks way too big to install
getting very frustrated
3G alternator donor cars:
- 94-95 Mustang V8
- 94-98 V6's
- Other cars with the 3.8L motor in it. 5.0L cougars with the 94-95 style motor and others.
- There are a lot of cars with the 3g alt that will fit. Late 90's is when Ford switched to the 4G alternator.
- Mid 90s Taurus and escort. Says 130A on the back etched into it.
- 93-96 Taurus 3.0 V-6 (non SHO)
- 94-96 Mustang 3.8 V-6
- 94-95 Mustang 5.0
- 94-96 Thunderbird 3.8 V-6 (non SC)
- 95-96 Windstar 3.0 V-6 (most are 3.8's)
- 93-96 E/F series Trucks/Vans 4.9 L6*
- 96 Sable 3.0 V-6
- 94-96 Cougar 3.8 V-6

The mounting bracket for an 84 engine might not work. I know for sure 87-93 mounting brackets will work. They are not 1 wire alternators either.
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Old June 9th, 2009, 09:19 AM   #6
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ok, i do not see anything on the back etched into it., I am going to take it back and size it up against some of these inthe list.
thanks for the help.
also do you understand any of this 84 v6 wiring? or have any diagrams of the charging system and how it should be?
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Old June 9th, 2009, 10:35 AM   #7
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Originally Posted by hopper View Post
ok, i do not see anything on the back etched into it., I am going to take it back and size it up against some of these inthe list.
thanks for the help.
also do you understand any of this 84 v6 wiring? or have any diagrams of the charging system and how it should be?
Let me take a look. I might have some wiring diagrams. I'm not sure if I have any that goes back that far or not. If I do I'll scan them and post them.
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Old June 9th, 2009, 10:48 AM   #8
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that is great i really appreciate it.
I did find a proper alt that will fit. apperently there are multiple bolt patterns for the taurus. so i grabbed one from a sn95.
thanks again
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Old June 9th, 2009, 11:40 AM   #9
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Old June 9th, 2009, 11:42 AM   #10
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That sucks, photobucket shrunk the images....
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Old June 9th, 2009, 11:49 AM   #11
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can you please email them to me?
ehopkins@walkerind.com
thanks again
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Old June 9th, 2009, 01:18 PM   #12
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Originally Posted by hopper View Post
can you please email them to me?
ehopkins@walkerind.com
thanks again
Email sent.
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