Panhead A place to talk about Panhead motors.

12v 64 killing battery

Thread Tools
 
Search this Thread
 
Old Nov 17, 2013 | 07:21 PM
  #11  
johnjzjz's Avatar
johnjzjz
Seasoned HDF Member
15 Year Member
Top Answer: 3
Joined: Nov 2006
Posts: 12,878
Likes: 5,449
From: la la land jerzey
Default

Originally Posted by Harleycruiser
Yep what he said
John when the voltage regulator sticks like that is that when the generator tries to run like a motor?



.
when i was a kid the corner gas station took me in - they did generators all the time and if you ground the field you can motor a generator like a starter

today i only use eletronic regulators, the old 6 Volt 3 brush units would burn up from the heat because they made them high output - today we 2 brush them with a eletronic regulator and they - well my 1948 Indian is going on 10 years converted to a 2 brush from a 3 and the lights are brighter and the battery does not boil over -- johnjzjz
 
Reply
Old Nov 17, 2013 | 09:22 PM
  #12  
i Confederate i's Avatar
i Confederate i
Thread Starter
|
Intermediate
Joined: Jun 2013
Posts: 43
Likes: 0
From: nc
Default

Ok 2 quick questions. First, can someone go through the steps to polorize for me? I inherited this bike and I don't know much about DC generators. And 2 I did what john said and started pulling wires. When I pulled the B+ wire off the regulator my light went out. Does that mean I found my short? Is it in the wire or the regulator?
 
Reply
Old Nov 17, 2013 | 09:57 PM
  #13  
i Confederate i's Avatar
i Confederate i
Thread Starter
|
Intermediate
Joined: Jun 2013
Posts: 43
Likes: 0
From: nc
Default

Ok its definitely the regulator. I smacked it really hard with the handle of a screwdriver and my test light shut off. Sucks. Its brand new. Got maybe 100 miles on it.
 
Reply
Old Nov 17, 2013 | 09:59 PM
  #14  
johnjzjz's Avatar
johnjzjz
Seasoned HDF Member
15 Year Member
Top Answer: 3
Joined: Nov 2006
Posts: 12,878
Likes: 5,449
From: la la land jerzey
Default

Originally Posted by i Confederate i
Ok 2 quick questions. First, can someone go through the steps to polorize for me? I inherited this bike and I don't know much about DC generators. And 2 I did what john said and started pulling wires. When I pulled the B+ wire off the regulator my light went out. Does that mean I found my short? Is it in the wire or the regulator?
you need to deside what regulator you are using - IF the bike has a generator light you will not need to polorize because the light does that if no light than its a flash on the field with a jumper 12 volt -- regulator will come with directions

But you need a new regulator the windings have grounded out /// NOW you may end up with a problem -- if the regulator has damaged the generator and you do not have it checked first, you could end up damaging the new regulator because of the damage the old regulator has caused, i know it sucks but its better than buying two regulators -- johnjzjz
 
Reply
Old Nov 17, 2013 | 10:00 PM
  #15  
johnjzjz's Avatar
johnjzjz
Seasoned HDF Member
15 Year Member
Top Answer: 3
Joined: Nov 2006
Posts: 12,878
Likes: 5,449
From: la la land jerzey
Default

Originally Posted by i Confederate i
Ok its definitely the regulator. I smacked it really hard with the handle of a screwdriver and my test light shut off. Sucks. Its brand new. Got maybe 100 miles on it.
its a mechanical POS made in effin china
 
Reply
Old Nov 17, 2013 | 11:02 PM
  #16  
i Confederate i's Avatar
i Confederate i
Thread Starter
|
Intermediate
Joined: Jun 2013
Posts: 43
Likes: 0
From: nc
Default

Is there any way for me to check it? If its bad, what do they go for and how hard to replace?
 
Reply
Old Nov 18, 2013 | 12:34 AM
  #17  
FilthyLucre's Avatar
FilthyLucre
Road Master
15 Year Member
Joined: Jun 2008
Posts: 1,078
Likes: 39
From: NW Florida
Default

Originally Posted by i Confederate i
Ok 2 quick questions. First, can someone go through the steps to polorize for me? I inherited this bike and I don't know much about DC generators. And 2 I did what john said and started pulling wires. When I pulled the B+ wire off the regulator my light went out. Does that mean I found my short? Is it in the wire or the regulator?
To polarize, with all wires connected momentarily jump the bat and gen terminals on the regulator. I just use a heavy horseshoe piece of wire and just flash the terminals.
The bat terminal of the regulator is connected to the positive side of the battery. You probably cooked the regulator. According to the manual a generator put into service without the correct polarity will result in burnt points, a dead battery and damage to the generator. Sounds like what you are experiencing. Sorry it looks like you have some work to do.
 
Reply
Old Nov 18, 2013 | 07:43 AM
  #18  
johnjzjz's Avatar
johnjzjz
Seasoned HDF Member
15 Year Member
Top Answer: 3
Joined: Nov 2006
Posts: 12,878
Likes: 5,449
From: la la land jerzey
Default

Originally Posted by i Confederate i
Is there any way for me to check it? If its bad, what do they go for and how hard to replace?
i will look today for options and let you know - is the bike an original piece - or is it a left over from the chopper days kind of bobber
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Nov 18, 2013 | 08:34 AM
  #19  
i Confederate i's Avatar
i Confederate i
Thread Starter
|
Intermediate
Joined: Jun 2013
Posts: 43
Likes: 0
From: nc
Default

Originally Posted by FilthyLucre
To polarize, with all wires connected momentarily jump the bat and gen terminals on the regulator. I just use a heavy horseshoe piece of wire and just flash the terminals.
The bat terminal of the regulator is connected to the positive side of the battery. You probably cooked the regulator. According to the manual a generator put into service without the correct polarity will result in burnt points, a dead battery and damage to the generator. Sounds like what you are experiencing. Sorry it looks like you have some work to do.
Ok yeah I did do that. Prior to install of the regulator and when I reinstalled the battery. I thought there were steps that actually involved the generator, so thats what I was asking about. Thanks for the awesome answer though.
 
Reply
Old Nov 18, 2013 | 08:37 AM
  #20  
i Confederate i's Avatar
i Confederate i
Thread Starter
|
Intermediate
Joined: Jun 2013
Posts: 43
Likes: 0
From: nc
Default

Originally Posted by johnjzjz
i will look today for options and let you know - is the bike an original piece - or is it a left over from the chopper days kind of bobber
She's a relic. Its had some modern day upgrades..12v, electronic distributor, and a carb upgrade. I still have the original parts, including the heads (I replaced with STD's when I heard how hard the originals were to come by). I overhauled the engine when I got it. Bore and stroked it to 88ci. I inherited the bike a few years ago, but the electrical have always given me a headache. She looks factory if that's what you're asking. Factory paint still on it. Had a few touch ups though.
 
Reply



All times are GMT -5. The time now is 03:30 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE