C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Amp gauge ?

Thread Tools
 
Search this Thread
 
Old Apr 12, 2002 | 06:47 PM
  #1  
WESCH's Avatar
WESCH
Thread Starter
Melting Slicks
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Feb 2001
Posts: 3,330
Likes: 13
From: Europe , Luxembourg
Default Amp gauge ?

Hi
My amp gauge of my 68 is steady, not showing any differences.
How does this sytem work. There must be a bridge somewhere as the wires to the gauge are rather thin.
Any ideas ?
Thanks Gunther :seeya
Reply
Old Apr 12, 2002 | 08:32 PM
  #2  
mrvette's Avatar
mrvette
Team Owner
Active Streak: 120 Days
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
Default Re: Amp gauge ? (WESCH)

First off, these meters do't vary a hell of a lot if the system is normal...
the meter is in series with the sense input wire going to the regulator....
assuming your alternator is an internal regulator type....'69...I can't recall....I allways update to later hi amp alternators anyway....;-)))

so the meter is in series with that sense wire....and does not require heavy gauge for actual current...

GENE
Reply
Old Apr 12, 2002 | 11:06 PM
  #3  
SUPERTECH's Avatar
SUPERTECH
6th Gear
 
Joined: Mar 2002
Posts: 6
Likes: 0
From: Marietta Georgia
Default Re: Amp gauge ? (WESCH)

Any hot wire under your dash will read the voltage that your alternator is charging at.So it is unlickly that the printed circut behind your gadge cluster is falty.Go buy a cheepy volt meter put the black leed - on the block and put the red leed + on the poast on the back of the alt. and it should read fror 13.5v to 14.0 v if not your alt. or voltage regulator are bad but who cares because they should be changed togeather any way .Good luck
Mark H :yesnod:
Reply
Old Apr 12, 2002 | 11:41 PM
  #4  
robzr's Avatar
robzr
Burning Brakes
 
Joined: Oct 2000
Posts: 936
Likes: 0
From: Chicago Illinois
Default Re: Amp gauge ? (WESCH)

On my '76, there is an additional wire going from the starter solenoid to the amp guage. I believe this is also where the battery meets the alternator. The wire has a fusible link by the starter, so make sure it's not burnt out or disconnected. I highly recommend getting a big laminated schematic from 'Lectric Limited, available from Chicago Corvette Supply.

Rob
Reply
Old Apr 13, 2002 | 06:47 AM
  #5  
WESCH's Avatar
WESCH
Thread Starter
Melting Slicks
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Feb 2001
Posts: 3,330
Likes: 13
From: Europe , Luxembourg
Default Re: Amp gauge ? (WESCH)

Thanks for all help.
I do have a Corvette chassis wiring diagramm from Lectric Limited, but it doesn'r realy show details. The wires end at bulkhead connectors and from there on they often split up to more units.
Anyway, somebody send me a nice detailed diagramm of this system by E-mail, very good, and this is what I was looking for.
Hopefully, it's one of the fuse links that's blown.
Where are this fuses located ? In the main fuse panel ?
Thanks a lot.
By the way, I do agree, a Voltmeter is verry reliable to check the system.
Is there a voltmeter avail that fits into the amps gauge space, green faced for 68 to 71 ?

Gunther


[Modified by WESCH, 4:51 AM 4/13/2002]
Reply
Old Apr 13, 2002 | 06:58 AM
  #6  
mrvette's Avatar
mrvette
Team Owner
Active Streak: 120 Days
Liked
Loved
Community Favorite
 
Joined: Jul 1999
Posts: 65,492
Likes: 230
From: Orange Park Florida
Default Re: Amp gauge ? (WESCH)

Yes, the voltmeter from a mid 80's chevvy pickup truck fits/works fine...looks nearly stock too, markings are acceptable...

GENE
Reply
Old Apr 13, 2002 | 10:12 AM
  #7  
BB wowbagger's Avatar
BB wowbagger
Melting Slicks
 
Joined: Feb 2002
Posts: 2,298
Likes: 1
From: Sodertalje/Sweden
Default Re: Amp gauge ? (mrvette)

Picked apart my ampmeter today.I found that the colik had burned off,sp i soldered it together again and i got it to work again.It doesent move much though.ight after i start the engine it comes down a little to the -40 mark,but climbes slowly back up to 0.What should the gauge read when the car is idleing.Should it stay at 0 or move upwards the 40 marker..? :cheers:
Reply
Old Apr 14, 2002 | 03:54 AM
  #8  
WATTAC's Avatar
WATTAC
Racer
 
Joined: Dec 1999
Posts: 485
Likes: 0
From: MESA, AZ, USA
Default Re: Amp gauge ? (WESCH)

The fuse links are wire loops. One is located at the horn relay, the other is generally around the wiper motor. They are generally brown wires, 16 gauges or so and butt spliced into the main harness. And I'm the person who sent the diagram.

Andy
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
Old Apr 14, 2002 | 06:48 PM
  #9  
WESCH's Avatar
WESCH
Thread Starter
Melting Slicks
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Feb 2001
Posts: 3,330
Likes: 13
From: Europe , Luxembourg
Default Re: Amp gauge ? (WATTAC)

Hi Andy.
Thanks a lot.
I will try to follow this wiring up one of this days.
I had this gauge dash apart last winter to install the original 68 radio and to fix the clock, but just forgot about the amp gauge. :mad
Now, it will take a while B4 I can go deep into this again, unless it's a easy fix.
Thanks to your wiring sheet, I at least have an idea where to start.
Again, thanks a lot. Gunther
Reply

Get notified of new replies

To Amp gauge ?





All times are GMT -4. The time now is 10:33 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE