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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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djkeev
Samba Moderator
Joined: September 30, 2007
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Location: Reading Pennsylvania
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glutamodo 
The Android
Joined: July 13, 2004
Posts: 26534
Location: Douglas, WY
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 Posted: Sat Aug 29, 2009 11:13 am Post subject: |
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I've seen voltage regulators work fine on positive ground, then when the generator is flipped back negative, continue to function on negative. (polarize and MOTOR the generator it to make sure it spins the correct way. If it wants to spin backwards, which I've seen, stop it and spin it the correct way when hooking up the polarizing wires) But I think the newer the regulator the more problems you might have. Old old regulators have no real electronics inside them. But newer points-style regs have some electronics in them and I don't know if they'd like positive ground, same goes with those latest fully electronic solid-state regulators.
-Andy |
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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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| Posted: Sun Aug 30, 2009 9:58 am Post subject: |
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I ordered the new style regulator, but it'll work on negative ground.
Two more questions:
1. Should I turn around the connections on the coil?
2. Can I improve the regulator's ground connection?
Thanks. Will update soon.
_________________
1961 Golf Blue from Israel.
http://picasaweb.google.com/Svirskin |
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djkeev
Samba Moderator
Joined: September 30, 2007
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Location: Reading Pennsylvania
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26534
Location: Douglas, WY
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| Posted: Sun Aug 30, 2009 4:12 pm Post subject: |
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I think you should keep the coil wiring the same. Check the igntion system for good spark though.
As mentioned - where is your regulator mounted? The new style regulators don't have a dedicated ground tab on them like the old ones did, and to help insure a ground connection you would run a wire from the ground screw on top of the generator to one of the regulator mounting bolts. On my 62, I tapped an extra hole in my generator housing and bolted the regulator right on top, so definately no ground issues there.
-Andy |
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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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| Posted: Sun Sep 20, 2009 8:20 am Post subject: |
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Still having problems.
The car runs well, but no charging with new generator. the voltage on the battery drops to 8V when opening the ignition switch.
Any consumers idk about makes the voltage to drop?
_________________
1961 Golf Blue from Israel.
http://picasaweb.google.com/Svirskin |
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10 A C N
Samba Member
Joined: August 30, 2009
Posts: 110
Location: jackson, tn.
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| Posted: Sun Sep 20, 2009 9:26 am Post subject: |
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Could you please send pictures of generator & regulator with wires already hooked up.
LOL Mike |
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26534
Location: Douglas, WY
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| Posted: Sun Sep 20, 2009 10:22 am Post subject: |
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| Fitch wrote: |
Still having problems.
The car runs well, but no charging with new generator. the voltage on the battery drops to 8V when opening the ignition switch.
Any consumers idk about makes the voltage to drop?
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On a fully charged battery it's going to take a huge current draw to drop the battery voltage from 12.8 or so down to 8VDC. Even the starter shouldn't drop it down that much. So... I'd supect a weak or discharged battery or something in the connections.
-Andy |
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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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| Posted: Sun Sep 20, 2009 11:05 am Post subject: |
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Since I don't have any charging, the battery is discharged and it drops from ~11.5V or lower (more then 2V anyway).
ALL the connections connected the same as before (with positive ground), except the battery and coil. I suspect it was the deal with my previous generator (when it didn't work) as well.
_________________
1961 Golf Blue from Israel.
http://picasaweb.google.com/Svirskin |
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10 A C N
Samba Member
Joined: August 30, 2009
Posts: 110
Location: jackson, tn.
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| Posted: Sun Sep 20, 2009 12:27 pm Post subject: |
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I still have some consern about your wiring of the gen & reg .Can you send a photo.
LOL Mike |
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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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glutamodo
The Android
Joined: July 13, 2004
Posts: 26534
Location: Douglas, WY
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| Posted: Sun Sep 20, 2009 1:18 pm Post subject: |
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I like mine better... 
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Jeckler
Samba Member
Joined: September 27, 2005
Posts: 2718
Location: Mesa, AZ
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| Posted: Sun Sep 20, 2009 2:17 pm Post subject: |
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I don't understand how the car either ran then on positive ground or runs now on negative ground. One way or the other, the starter's turning the wrong way.
_________________
Andy
'63 Bug rebuild here.
Did you know that sellers can't charge a fee to accept PayPal?
| bill may wrote: |
| I am the crabby old guy. |
Knowledge is knowing that a tomato is a fruit.
Wisdom is knowing not to put it in fruit salad. |
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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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| Posted: Mon Sep 21, 2009 2:59 am Post subject: |
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Andy (Jeckler),
It's true that even with another good battery connected to mine, the car won't start by turning the key. Every time I started the car since I turned around the ground, it was by pushing it down the hill.
But as mentioned before by Dave, the starter shouldn't care which way the electricity flows. Or should it?
_________________
1961 Golf Blue from Israel.
http://picasaweb.google.com/Svirskin |
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10 A C N
Samba Member
Joined: August 30, 2009
Posts: 110
Location: jackson, tn.
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| Posted: Mon Sep 21, 2009 10:35 am Post subject: |
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The red wire on the right side of the eng goes to the starter the batt wire on the pos post goes to the same place. The red wire on the pos batt cable does it conect to anything or not.When you say the car won't start with the starter do you mean the starter will not ingage.
lol Mike |
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Fitch
Samba Member
Joined: February 13, 2007
Posts: 95
Location: Israel
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| Posted: Mon Sep 21, 2009 11:14 am Post subject: |
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What you say is correct. The B+ on regulator goes to the starter, and the positive post cable from the battery goes to the starter.
The car doesn't start, by turning the key, the starter turns but still nothing...
_________________
1961 Golf Blue from Israel.
http://picasaweb.google.com/Svirskin |
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10 A C N
Samba Member
Joined: August 30, 2009
Posts: 110
Location: jackson, tn.
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| Posted: Mon Sep 21, 2009 12:25 pm Post subject: |
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With a test lgt or volt meter ck to see if you have voltage at + side of coil while starter is ingaged.
Mike |
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Jeckler
Samba Member
Joined: September 27, 2005
Posts: 2718
Location: Mesa, AZ
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| Posted: Mon Sep 21, 2009 2:21 pm Post subject: |
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| Fitch wrote: |
| But as mentioned before by Dave, the starter shouldn't care which way the electricity flows. Or should it? |
It's a DC motor, it cares which way.
| Fitch wrote: |
| The car doesn't start, by turning the key, the starter turns but still nothing... |
The starter turns.... does the engine turn? Which way? CW or CCW?
_________________
Andy
'63 Bug rebuild here.
Did you know that sellers can't charge a fee to accept PayPal?
| bill may wrote: |
| I am the crabby old guy. |
Knowledge is knowing that a tomato is a fruit.
Wisdom is knowing not to put it in fruit salad. |
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10 A C N
Samba Member
Joined: August 30, 2009
Posts: 110
Location: jackson, tn.
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| Posted: Mon Sep 21, 2009 2:43 pm Post subject: |
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The starter may care but the solinoid doesnt
Mike |
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