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converting to12 volt
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rossinmich View Drop Down
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Joined: 12 Sep 2009
Location: West Michigan
Points: 187 		Post Options Post Options   Thanks (0) Thanks(0)   Quote rossinmich Quote  Post ReplyReply Direct Link To This Post Topic: converting to12 volt
    Posted: 07 May 2010 at 9:38pm
How difficult is it to convert a d17 to 12 volt, how much am I looking to spend? Never done this before, what can I expect? Have a 12 v starter, need an alternator.
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TedBuiskerN.IL. View Drop Down
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Joined: 11 Sep 2009
Location: Davis, IL.
Points: 1959 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TedBuiskerN.IL. Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2010 at 10:06pm
A D17 is already 12 volt.
Most problems can be solved with the proper application of high explosives.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 82746 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2010 at 10:17pm
your probably looking at converting the old 12 volt positive ground generator to a new negative ground alternator. THE voltage is the same. THe battery cables are just switched to get the negative ground. You need to change the coil wires around so the path thru the distributor point does not change.  You also reverse the wires on the amp meter so it reads the right direction. Last is to remove the generator and regulator and install a newer alternator. GEt one with an internal voltage regulator. many people use the Delco 10SI that was used by GM from 1966 to about 1990. I prefer the newer smaller models like the CS 130 that was built in the 1990- 2000 era on GM. Any alternator with built in regulator is fine, Some use the Nippon, etc..
Like them all, but love the "B"s.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 82746 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2010 at 10:18pm
you can get any of the alternators rebuilt at Aut Zone, but most people just buy one from the local junk yard or thru e=bay
Like them all, but love the "B"s.
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JoeO(CMO) View Drop Down
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Joined: 11 Sep 2009
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Points: 2694 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JoeO(CMO) Quote  Post ReplyReply Direct Link To This Post Posted: 08 May 2010 at 5:38am
I just had a 12v generator repaired, bearings and brushes and the cost was less than buying an alternator.
-already wired for a gen, has worked with a gen for yyyeeeaaarrrsss  and no need to fabricate alternator mounts and rewiring;
-just remove generator and replace.
If someone has reversed the battery connections then you may have a stuck regulator contact which will drain the battery voltage with ignition off.  Look for sparking when battery cable is connected or disconnected with everything turned off, ignition and lights, radio etc.


Edited by JoeO(CMO) - 08 May 2010 at 5:45am
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