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Converting 1969 car to 1970+ Electronic Voltage Reg? #564207 12/27/09 07:25 PM 12/27/09 07:25 PM
Joined: May 2007 Posts: 249 Kahleefahwniah 6 69CopperCoronet OP enthusiast
69CopperCoronet OP enthusiast 6 Joined: May 2007 Posts: 249 Kahleefahwniah	How do you convert a mopar with a 1969-down engine wiring harness to a 1970+ electronic voltage regulator (i.e. this one: http://www.summitracing.com/parts/DCC-4529794/) What is the field and ground wire connection on this regulator? Also, I am having issues with proper voltage regulation, even with a brand new regulator installed. The alternator is constantly putting out around 14+ volts. What should I troubleshoot to fix this? Thanks for the help!

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: 69CopperCoronet] #564208 12/27/09 07:29 PM 12/27/09 07:29 PM
Joined: Jan 2003 Posts: 104,346 Garden Grove, CA OzHemi Penguin-hating Ginger
OzHemi Penguin-hating Ginger Joined: Jan 2003 Posts: 104,346 Garden Grove, CA	From the tech archives...simple to wire it up, just grab a plug for the new style regulator

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: 69CopperCoronet] #564209 12/27/09 07:30 PM 12/27/09 07:30 PM
Joined: Feb 2003 Posts: 415 Indiana P Pentastar440 mopar
Pentastar440 mopar P Joined: Feb 2003 Posts: 415 Indiana	Here's the wiring diagram : 5692816-21.gif (437 downloads) '65 Belvedere II - 446-Indy,727 transbrake,Dana 4.56 '38 Plymouth 4Dr - 408SixPack, A518, Dana60 4:10

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: 69CopperCoronet] #564210 12/27/09 07:31 PM 12/27/09 07:31 PM
Joined: Jan 2003 Posts: 104,346 Garden Grove, CA OzHemi Penguin-hating Ginger
OzHemi Penguin-hating Ginger Joined: Jan 2003 Posts: 104,346 Garden Grove, CA	Oh, and 14 volts is just fine... 13.8 - 14.4 is what you want to see from memory.

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: 69CopperCoronet] #564211 12/27/09 08:13 PM 12/27/09 08:13 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: I am having issues with proper voltage regulation, even with a brand new regulator installed. The alternator is constantly putting out around 14+ volts. What should I troubleshoot to fix this? Starting w the battery & working outward from both terminals I'd check the voltage drops on ALL of your connections at a fast idle w accessories on. Some of those connections have not been disturbed for 4 decades & most likely are in need of cleaning. live every 24 hour block of time like it's your last day on earth

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: OzHemi] #564212 12/27/09 08:25 PM 12/27/09 08:25 PM
Joined: Jan 2006 Posts: 3,535 Canuckville 68Cbarge master
68Cbarge master Joined: Jan 2006 Posts: 3,535 Canuckville	There is another alternative..Thanks to E-Booger. Go to Autozone,get a 25.00 VR704 electronic voltage regulator... Pop off both the new and old covers from the regulators.... Install the oldd cover over the new regulator and with no wire cutting-no alternator swapping,just install back into its stock location and enjoy modern techno;ogy and still look factory stock.. '68 Newport Custom Barge on a Budget!! BOAB 1973 Satellite WAGON! 318- 3 on the tree!! 2008 Chrysler 300c HEMI!

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: 68Cbarge] #564213 12/27/09 08:29 PM 12/27/09 08:29 PM
Joined: Feb 2003 Posts: 8,682 A Andrewh master
Andrewh master A Joined: Feb 2003 Posts: 8,682	I agree, there is no reason to go with the newer type when they make an electronic 1 field wire one. Also I agree 14.5 is fine. Make sure it holds around that when you rev the engine up as well, and you are good to go. If it goes higher, then start tracing back the sensing line to see where your voltage drop is, or make sure the vr is grounded. But otherwise it sounds like it is working fine.

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: 69CopperCoronet] #564214 12/27/09 09:56 PM 12/27/09 09:56 PM
Joined: Dec 2003 Posts: 5,314 Carstairs, Alberta, Canada dave571 master
dave571 master Joined: Dec 2003 Posts: 5,314 Carstairs, Alberta, Canada	Quote: How do you convert a mopar with a 1969-down engine wiring harness to a 1970+ electronic voltage regulator (i.e. this one: http://www.summitracing.com/parts/DCC-4529794/) What is the field and ground wire connection on this regulator? Also, I am having issues with proper voltage regulation, even with a brand new regulator installed. The alternator is constantly putting out around 14+ volts. What should I troubleshoot to fix this? Thanks for the help! As said 14 plus is fine. No real need to worry till you get into the 15's. Most likely cause of an overcharge(if there was one present, which it doesn't seem there is) is a voltage drop in the wire on IGN lead to the voltage reg. I have seen this wire show only 12.5 volts when the battery was over 15. Regulator thinks there is not enough charge, so it gives the alternator more field current. More amperage is the result, so up goes the voltage. Here's some random info on the dual field myth No need to wire in the newer style regulator Last edited by dave571; 12/27/09 11:49 PM.

Re: Converting 1969 car to 1970+ Electronic Voltage Reg [Re: 68Cbarge] #564215 12/27/09 10:18 PM 12/27/09 10:18 PM
Joined: Aug 2007 Posts: 1,271 Vista, California 6 67Satty pro stock
67Satty pro stock 6 Joined: Aug 2007 Posts: 1,271 Vista, California	Quote: There is another alternative..Thanks to E-Booger. Go to Autozone,get a 25.00 VR704 electronic voltage regulator... Pop off both the new and old covers from the regulators.... Install the oldd cover over the new regulator and with no wire cutting-no alternator swapping,just install back into its stock location and enjoy modern techno;ogy and still look factory stock.. I've got something like this from FBO when converting my '67 Satellite to pointless and dual feed alternator. Does that mean I can just plug it in like stock and not have to run and splice a wire from one of the feeds on the alternator back to the voltage regulator with this kind?

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: Andrewh] #564216 12/27/09 10:19 PM 12/27/09 10:19 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: they make an electronic 1 field wire one. And with that regulator anytime in the future if you upgrade to a later higher amp common 2 field terminal alt you can easily ground one of the alt field terminals to the alt case w several inches of wire & 2 crimp on terminals. live every 24 hour block of time like it's your last day on earth

Re: Converting 1969 car to 1970+ Electronic Voltage Reg [Re: 67Satty] #564217 12/28/09 12:20 AM 12/28/09 12:20 AM
Joined: Feb 2003 Posts: 8,682 A Andrewh master
Andrewh master A Joined: Feb 2003 Posts: 8,682	Quote: Quote: T I've got something like this from FBO when converting my '67 Satellite to pointless and dual feed alternator. Does that mean I can just plug it in like stock and not have to run and splice a wire from one of the feeds on the alternator back to the voltage regulator with this kind? you are going to have to try again. that didn't make sense. Either you have a duel field alt or you don't. The pictured vr is the single field.

Re: Converting 1969 car to 1970+ Electronic Voltage Reg [Re: 67Satty] #564218 12/28/09 12:53 AM 12/28/09 12:53 AM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: I've got something like this from FBO when converting my '67 Satellite to pointless and dual feed alternator. Does that mean I can just plug it in like stock and not have to run and splice a wire from one of the feeds on the alternator back to the voltage regulator with this kind? yes plug it in like stock & ground one of the alt male field terminals to ground in your 2 field terminal alt. The one in the Summitt pic functions identical (electronic) but it's a '70 up flat case style and is NOT needed but yes that one would require you to run the 2nd alt field terminal (thats currently grounded) back to the right hand side terminal in the VR triangle per the diagram earlier in this thread live every 24 hour block of time like it's your last day on earth

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: Pentastar440] #564219 12/28/09 01:44 PM 12/28/09 01:44 PM
Joined: Aug 2007 Posts: 6,096 Valencia, España NachoRT74 master
NachoRT74 master Joined: Aug 2007 Posts: 6,096 Valencia, España	I made an upgrade diagram based on that: 5693976-latealtconversion1.jpg (315 downloads) With a Charger born in Chrysler assembly plant in Valencia, Venezuela

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: NachoRT74] #564220 12/28/09 01:47 PM 12/28/09 01:47 PM
Joined: Aug 2007 Posts: 6,096 Valencia, España NachoRT74 master
NachoRT74 master Joined: Aug 2007 Posts: 6,096 Valencia, España	or if you preffers this view 5693982-laterschargsys..jpg (3973 downloads) With a Charger born in Chrysler assembly plant in Valencia, Venezuela

Re: Converting 1969 car to 1970+ Electronic Voltage Reg? [Re: NachoRT74] #564221 12/28/09 01:49 PM 12/28/09 01:49 PM
Joined: Aug 2007 Posts: 6,096 Valencia, España NachoRT74 master
NachoRT74 master Joined: Aug 2007 Posts: 6,096 Valencia, España	then, about the electronic unit to one field wired alt... I have had some different opinions about those units, being some bad, some good. about the dual field myth... he is right all alt have dual field since you need both fields to create magnetism inside the alt. The diff is being when both are wired from a diff alt source or one wired and the other one directly grounded to alt. Thats maybe the reason to the single and dual field alts denomination. With a Charger born in Chrysler assembly plant in Valencia, Venezuela

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