C3 General General C3 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

79' Vette wiring question.

Thread Tools
 
Search this Thread
 
Old Dec 25, 2018 | 09:16 AM
  #1  
TinCanSailor's Avatar
TinCanSailor
Thread Starter
Advanced
 
Joined: Dec 2018
Posts: 91
Likes: 8
From: Riverview, Fl
Default 79' Vette wiring question.

Merry Christmas Everyone.

I am hoping for Christmas someone call tell me what these plugs go to. This is a 1979 and are located under the drivers side dash. I've been scouring the wiring diagram to no avail.



Last edited by TinCanSailor; Dec 25, 2018 at 09:30 AM.
Reply
Old Dec 25, 2018 | 10:24 AM
  #2  
'75's Avatar
'75
Le Mans Master
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Dec 2007
Posts: 6,422
Likes: 591
From: McHenry Illinois
Default

I think the 2nd pic is for the cruise control.
Reply
Old Dec 25, 2018 | 10:25 AM
  #3  
henrikse's Avatar
henrikse
Pro
 
Joined: Nov 2016
Posts: 729
Likes: 118
From: Kelowna British Columbia
Default

Originally Posted by TinCanSailor
Merry Christmas Everyone.

I am hoping for Christmas someone call tell me what these plugs go to. This is a 1979 and are located under the drivers side dash. I've been scouring the wiring diagram to no avail.


Possible back up light connector Blue/Grn the other 3 pin maybe alarm?
Reply
Old Dec 25, 2018 | 09:58 PM
  #4  
TinCanSailor's Avatar
TinCanSailor
Thread Starter
Advanced
 
Joined: Dec 2018
Posts: 91
Likes: 8
From: Riverview, Fl
Default

Originally Posted by '75
I think the 2nd pic is for the cruise control.
Thanks for the tip. I'll take a look at the diagram and the car tomorrow.
Reply
Old Dec 25, 2018 | 09:59 PM
  #5  
TinCanSailor's Avatar
TinCanSailor
Thread Starter
Advanced
 
Joined: Dec 2018
Posts: 91
Likes: 8
From: Riverview, Fl
Default

Originally Posted by henrikse
Possible back up light connector Blue/Grn the other 3 pin maybe alarm?
Thank you! I'll run these tips to ground tomorrow, pardon the pun.
Reply
Old Dec 26, 2018 | 12:42 PM
  #6  
megan.andrews's Avatar
megan.andrews
Intermediate
 
Joined: Nov 2018
Posts: 34
Likes: 0
Default

Anyone here have a 79 wiring diagram with a/c?
when I turn a/c on no power goes to the pressure switch. Is it problem at switch?

please share with me your idea.
Reply
Old Dec 26, 2018 | 01:09 PM
  #7  
kingkohlmn's Avatar
kingkohlmn
Pro
15 Year Member
Veteran: Marine Corps
Liked
Loved
 
Joined: Mar 2007
Posts: 725
Likes: 113
From: Austin TX area
Default Free diagrams

Originally Posted by megan.andrews
Anyone here have a 79 wiring diagram with a/c?
when I turn a/c on no power goes to the pressure switch. Is it problem at switch?

please share with me your idea.
Check this link, papawana has been providing C3 diagrams for years.
https://www.corvetteforum.com/forums...or-anyone.html
Reply
Old Dec 26, 2018 | 01:47 PM
  #8  
henrikse's Avatar
henrikse
Pro
 
Joined: Nov 2016
Posts: 729
Likes: 118
From: Kelowna British Columbia
Default

I'll try sending PM to you as diagram to larger for reply If you do not get PM me with email and I will send
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

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

 Joe Kucinski
story-1

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-2

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

 Michael S. Palmer
story-3

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

 Joe Kucinski
story-4

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

 Joe Kucinski
story-5

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

 Verdad Gallardo
story-6

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-7

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-8

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-9

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
Old Dec 30, 2018 | 01:02 PM
  #9  
John Vance's Avatar
John Vance
Instructor
 
Joined: Jun 2018
Posts: 108
Likes: 17
From: Blue springs mo.
Default Where??

i have the same plug. Blue with two green wires. No idea where or what it goes to. Looked for ever can’t find anything. If you get the answer contact me. Thanks
Reply

Get notified of new replies

To 79' Vette wiring question.





All times are GMT -4. The time now is 11:49 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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
story-6
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-7
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-8
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-9
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE