Gen light on - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

LinkBack Thread Tools Display Modes
post #1 of 5 (permalink) Old Sep 23rd, 17, 09:52 AM Thread Starter
Join Date: Sep 2017
Location: Nj
Posts: 1
Gen light on

So I changed out the generator to an alternator/regulator combo. I recently changed over to an alternator with built in regulator. Now gen light is on.
Cpocamaro is offline  
Sponsored Links
post #2 of 5 (permalink) Old Sep 23rd, 17, 01:28 PM
Senior Tech
Join Date: Oct 2011
Location: Texas
Posts: 135
Re: Gen light on

Did you connect the L terminal from the alternator to the alt warning lamp?
blitzer454 is offline  
post #3 of 5 (permalink) Old Sep 24th, 17, 01:39 AM
Senior Tech
Join Date: Jul 2008
Location: I 5
Posts: 7,067
Re: Gen light on

Welcome Carlos. I'm not familiar with the conversion and how it's wired, but to start with, I'd measure the voltage at the battery with the engine running to determine if the alt. is actually charging. Should be around 14+V with engine running. Let us know if it's just the idiot light acting up or if it's not charging...

  • '68 RS, AA, 749, L30, M(uncie)20 (originally a 3spd), 15yr backburner resto........
Garfields Maro is online now  
post #4 of 5 (permalink) Old Sep 24th, 17, 06:09 AM
Tech Team
Join Date: Dec 2016
Location: Dallas
Posts: 71
I had the same thing with my 67. I found my issue to be the new voltage regulator I installed at the same time. I even tried a second new VR and same thing. I put the 50 year old one back on and it works perfect. I haven't had time to track down the why yet.
Red6a1 is offline  
post #5 of 5 (permalink) Old Sep 24th, 17, 07:41 AM
Super Moderator
Bess-68's rule
Everett#2390's Avatar
Join Date: Sep 2000
Location: Va Beach VA
Posts: 31,849
Re: Gen light on

Welcome, Carlos, to the club.

You're problem may be the wiring of the OE wiring to the 10SI/12SI alternator, if this is the choice of model.
On the original VR connector, jumper together the two inner terminals and jumper together the two outside terminals.
The connector at alt should be swapped, meaning from the 10DN connector, blue wire and white wire are swapped places.
An adapter from 10DN to 10SI/12SI can be purchased from an aftermarket vendor or make jumpers and use shrink tubing to insulate the set-up.

If you used a CS series alt, their is a separate hook-up.

Moved your thread to Electrical as there is a thread about wiring in this forum, you might do a search.
This thread may explain and answer your questions. Use a 3-wire hook-up.

Give a man a rescued dog for the health of both their souls. May 2017 ROTM Winner - Thank you!
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
CUBS - 2016 World Series Champions - Thank you, Joe Madden enjoy your next chapter.
Everett#2390 is offline  
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Team Camaro 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:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address.
NOTE we receive a lot of registrations with bad email addresses. IF you do not receive your confirmation email you will not be able to post. contact support and we will try and help.
Be sure you enter a valid email address and check your spam folder as well.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

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