charging problem on a 66 chevy - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Electrical
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 12-24-2003, 11:07 AM
powerglide_66's Avatar
Registered User
 
Join Date: Dec 2003
Location: council bluffs, IA
Age: 35
Posts: 8
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
charging problem on a 66 chevy

Hello everyone

My alternator seems to be charging my battery at an excessive rate. The regulator is hooked up correctly and is brand new and so is the alternater and so is the battery. the battery is being charged at around 18 volts and looks as if the battery is going to explode. (the sides of the battery are no longer flat but are rounded)

The car will not start after a day or more. I have to get the battery starter/charger to start it. It stays running and charges the battery excessivly. I can restart the car the same day and throughout the day but tomorrow it won't start.

I recently switched back to the external-type or original alternator from an internaly regulated (SI series) alternator. and I had the overcharging thing happen with that alternator so thats why I switched back to the original. and I noticed I had the overcharging thing happed as soon as I moved from Fort worth texas to Council bluffs, IOWA. I don't know if the climate has something to do with this or not.

Thank you very much with your patience.

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 12-24-2003, 02:32 PM
poncho62's Avatar
Out of the Loop Moderator
 
Last wiki edit: Streetbeasts links
Last journal entry: at car show
Last photo:
Join Date: Oct 2003
Location: Hanover, Ontario, Canada
Age: 62
Posts: 16,893
Wiki Edits: 5

Thanks: 20
Thanked 258 Times in 211 Posts
I think that you have a short in your wiring. Its grounding out and calling for charge all the time.

I had an alternator doing the same thing. One of the fibre washers in the alternator was bad causeing the alternator to ground. It was then overcharging all the time. Replaced the washer and all was fine.
__________________
Ontario Rodders

Budget RVs
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 12-25-2003, 06:44 AM
pappy 32's Avatar
Member
 

Last journal entry: Heading home
Last photo:
Join Date: Apr 2002
Location: Flint Michigan
Age: 61
Posts: 74
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Question???

If I understand what you are saying, you put an internal regulator alternator on and it overcharged. Then you reinstalled the original alternator that uses the voltage regulator and it still over charged.

Just a thought, when you installed the internal regulator alternator, did you unhook and plug the old external regulator? If not you may have shorted out both regulators. The one in the alternator and the one mounted on the radiator support.

You may want to get out a meter to check your polarity and continuity. This should find your problem and keep hair on your head.

Pappy
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 12-25-2003, 08:11 AM
dmorris1200's Avatar
doesn't play well with others
 
Last photo:
Join Date: Feb 2002
Location: Maine
Age: 49
Posts: 1,834
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
A bad cell in the battery can also cause an overcharging condition, although it doesn't happen all that often. Take the battery out of the car and have it load tested by itself. If it fails replace it and then recheck the cars system with a new fully charged battery.


__________________
BUILT FORD TOUGH
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 12-25-2003, 09:50 AM
powerglide_66's Avatar
Registered User
 
Join Date: Dec 2003
Location: council bluffs, IA
Age: 35
Posts: 8
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
I installed the internal regulated alternator and it worked fine in Texas until I moved back to a colder climate(Iowa) then it wouldn't start and the battery was hissing when It was being charged by the alternator(internal reg.). then I changed the alternator back and it's still doing the same thing. I went to Wally-World and exchanged the battery for a new one and it does the same thing.

thank you guys for your input

p.s. what's the difference between a regulator with a capacitor wired off of the brown wire terminal(idiot light wire) and a regulator with no capacitor at all? what exactly does this capacitor do?

Last edited by powerglide_66; 12-25-2003 at 09:59 AM.
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 12-26-2003, 05:09 AM
pappy 32's Avatar
Member
 

Last journal entry: Heading home
Last photo:
Join Date: Apr 2002
Location: Flint Michigan
Age: 61
Posts: 74
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Hope this helps

I was looking around and I found a sit that might help. I have a '67 Bel-Air wagon and I learned something from this link. I hope this will help out.

The link is:

www.madelectrical.com

Then go to the Tech window

You will want to go down to Chevy Main Electrical Power Systems

This talks about Chevy muscle cars '63 -'71s. It also talks about one-wire compared to the three-wire systems, part numbers, and a lot more.

I found it informative and was surprised how important the horn relay is.

Hope this might help out.

Good luck and let us know how it all works out.

Pappy

Last edited by pappy 32; 12-26-2003 at 08:37 AM.
Reply With Quote Quick reply to this message

Recent Electrical posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -6. The time now is 12:39 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.