Gen Light staying on causing flat battery - Impala Tech
Electrical & Wiring Troubleshooting electrical problems

 
LinkBack Thread Tools
post #1 of 5 (permalink) Old 03-11-2019, 07:25 PM Thread Starter
 
 
Join Date: Mar 2019
Location: Auckland, New Zealand
Posts: 14
 
Garage
Unhappy Gen Light staying on causing flat battery

Just purchased a 64 Impala. I know very little about them but always wanted one. I come from the world of Rotary's....

I'm having an issue where the Gen light on the dash stays turned on even when the car is turned off.

I've hunted the internet and it seems it may of have a generator to alternator conversion ( I think, it's defiantly an alternator on there haha)

Has anyone had this issue? I'd love to keep the gen light working if possible

I assume its a wiring issue somewhere

Any help would be greatly appreciated
NFURE8 is offline  
Sponsored Links
Advertisement
 
post #2 of 5 (permalink) Old 03-11-2019, 09:40 PM
Moderator
 
Join Date: Jan 2006
Posts: 12,362
 
Starting in 1963 all GM cars got an Alternator. Your factory original was an AC- Delco Remy model DN with the amperage stamped on the frame of the alternator. A DN sereies of alternator relies upon an external mechanical (points) voltage regulator. Over time the springs sag and the points get burnt so the unit has to be replaced.

As to your GEN light flatening the battery I doubt that. What the GEN light is telling you is that even with the ignition switched off, something is draining the battery (short, radio with a clock in it, a 1100 four chanel stero amp). Who knows?

If you know nothing about automotive electyronics take your car in to your Chevrolet Service center and hope that some one working there remembers what analog DC circuits do.

Big Dave
Big Dave is online now  
post #3 of 5 (permalink) Old 03-12-2019, 03:11 AM Thread Starter
 
 
Join Date: Mar 2019
Location: Auckland, New Zealand
Posts: 14
 
Garage
Thanks Dave.
The car is completely standard so i guess its a process of elimination.
Gen light stays on and the battery is drained in about 4 days.

Will try find someone who knows about DC
NFURE8 is offline  
 
post #4 of 5 (permalink) Old 03-12-2019, 07:32 AM
Senior Member
 
Join Date: Jun 2012
Location: Piedmont, SC
Posts: 119
 
Garage
Take a look at MadElectrical.com - Mad Enterprises.

Lots of info on the site and knowledgeable, helpful guy. He will spend time on the phone to help answer your questions.

1969 Imapala convertible build thread here:
https://www.pro-touring.com/threads/...ghlight=impala
justjohn is online now  
post #5 of 5 (permalink) Old 03-12-2019, 10:07 AM
Senior Member
 
Join Date: Dec 2012
Location: virginia
Posts: 344
 
Quote:
Originally Posted by NFURE8 View Post
Thanks Dave.
The car is completely standard so i guess its a process of elimination.
Gen light stays on and the battery is drained in about 4 days.

Will try find someone who knows about DC
This may be helpful:

https://www.americanautowire.com/vie...ectrical-draw/

Pete
japete92 is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Impala Tech forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
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:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



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

 
For the best viewing experience please update your browser to Google Chrome