Funky Autometer issue...... - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

LinkBack Thread Tools Display Modes
post #1 of 3 (permalink) Old May 26th, 09, 10:23 PM Thread Starter
Senior Tech
Join Date: Apr 2007
Location: Liberty Hill, TEXAS
Posts: 934
Funky Autometer issue......

Hey guys, I recently performed a bunch of body work and restoration.

When I started it up, I noticed the Autometer voltage gauge was reading 18+ voltage (maxed completely out). So, I killed it, ran and got my trusty digital multimeter...hooked it up and she is actually putting out a normal 14.3ish. So, that eliminated an overcharging issue.

I am just wondering if I could have possibly hooked up the gauge wrong. My car has an LS1 motor, but I still don't see how it could screw with a mechanical voltage meter. How the heck is it reading 18+ volts anyway? Thats actually the question here. Didn't know the alternator could put out more than 14ish volts....unless it's broken, and that clearly isn't the case here.

Thanks for your time,


1969 Camaro....LS1/T-56.............
In the early stages of Pro-Touring

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Kokamo is offline  
Sponsored Links
post #2 of 3 (permalink) Old May 26th, 09, 10:55 PM
Senior Tech
Join Date: Jul 2005
Location: California
Posts: 2,353
Re: Funky Autometer issue......

Check the ground. But I think that would give you a lower reading?

My only other guess it that the leads might be switch on the gauge...
400bird is offline  
post #3 of 3 (permalink) Old May 27th, 09, 11:40 AM
Senior Tech
Join Date: Mar 2002
Location: Austin, TX, USA
Posts: 5,277
Re: Funky Autometer issue......

Grounds can fool with your readings for sure. But usually a bad ground will cause you to read less voltage - not more.

Measure the voltage at the back of the meter to see if it jives with what you measure at the battery (14.3-ish as you said). It seems like autometer gauges have a potentiometer inside the back of the housing where the bulb inserts. Remove the bulb and peek inside. If you see a tiny screw adjustment, observe where it current sits and give it a tweak with a small (perhaps jewler's) screwdrive to see if you can dial in the gauge reading to match the voltage accross it's terminals.

68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
dnult 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