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

[73]WTF is this wire

Thread Tools
 
Search this Thread
 
Old Jul 17, 2007 | 07:25 PM
  #1  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default [73]WTF is this wire



That green wire that is sticking up there.
Reply
Old Jul 17, 2007 | 07:32 PM
  #2  
ShaneLU97's Avatar
ShaneLU97
Drifting
10 Year Member
 
Joined: Aug 2004
Posts: 1,677
Likes: 1
From: Potomac Falls VA
Default

Originally Posted by Guru_4_hire


That green wire that is sticking up there.
Does / did the car have a/c? It looks like one of the control wires for the A/C system....maybe. Put a voltmeter on it and see what it does when you turn the switches on and off.
Reply
Old Jul 17, 2007 | 08:03 PM
  #3  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default

Stays pretty steady at .04V
Reply
Old Jul 17, 2007 | 08:08 PM
  #4  
Gordonm's Avatar
Gordonm
Race Director
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Dec 1999
Posts: 19,610
Likes: 778
From: Forked River NJ
Default

I think that might be the wire for the thermal switch in the cylinder head. Part of the emission crap!
Reply
Old Jul 17, 2007 | 08:10 PM
  #5  
chris73cpe's Avatar
chris73cpe
Pro
 
Joined: Aug 2005
Posts: 627
Likes: 1
From: Naperville IL
Default

there is a green wire that goes from that harness to the ac compressor clutch as said. I can't tell from your pic, but does it go to the temp switch in the passenger head? mine is long gone so I don't know what color wire is supposed to be on that.
Reply
Old Jul 17, 2007 | 08:18 PM
  #6  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default

I think it is the Air compressor clutch wire.

I have another frayed wire that I have no clue what it is. It might be the passenger side thermal switch.

I am trying to find out my fan doesnt work.

Do I need the A/C clutch to make my fan work?
Reply
Old Jul 17, 2007 | 08:23 PM
  #7  
Gordonm's Avatar
Gordonm
Race Director
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Dec 1999
Posts: 19,610
Likes: 778
From: Forked River NJ
Default

Originally Posted by Guru_4_hire
I
Do I need the A/C clutch to make my fan work?

I don't think so because the fan should work for the heater also which does not matter if the Ac clutch is there or not.
Reply
Old Jul 17, 2007 | 08:26 PM
  #8  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default

OK so we are good there.

There is a dark green wire comming off of a single connector right next to the A/C box. Is that the temperature sensor for the emissions?

So where is a good place to start on the fan?
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-1

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

 Joe Kucinski
story-2

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-3

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

 Michael S. Palmer
story-4

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

 Joe Kucinski
story-5

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

 Joe Kucinski
story-6

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

 Verdad Gallardo
story-7

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

 Joe Kucinski
story-8

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

 Verdad Gallardo
story-9

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
Old Jul 17, 2007 | 08:34 PM
  #9  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default

How do I test the A/C Relay?
Reply
Old Jul 17, 2007 | 08:38 PM
  #10  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default

Holy Crap a blown Fuse!
Reply
Old Jul 17, 2007 | 08:45 PM
  #11  
RunningMan373's Avatar
RunningMan373
Melting Slicks
 
Joined: May 2007
Posts: 3,246
Likes: 4
From: Bay Area CA
Default

My Schems say the only white/green wire in the engine compartment is the Headlamp door warning switch wire, goes to 2 switches. Are your hdlp warning switches hooked up? If they are, you get a warning buzzer when you turn on the headlights, but before they deploy fully.
Reply
Old Jul 17, 2007 | 09:17 PM
  #12  
redwingvette's Avatar
redwingvette
Safety Car
Supporting Lifetime
20 Year Member
Active Streak: 30 Days
Active Streak: 60 Days
Liked
 
Joined: Aug 2001
Posts: 3,683
Likes: 202
From: Waterford Mi
Default

OK I took some pics of my 73



These wires are for the speed control. Hugh speed conects 12volts direct to the blower motor by a relay mounted on the side of the AC box. below the thermal relay

The wires here conect to the blower box below

The green wire from the thermal fuse goes to the compressor
Hope this helps.

Last edited by redwingvette; Jul 17, 2007 at 09:23 PM.
Reply
Old Jul 17, 2007 | 09:28 PM
  #13  
Guru_4_hire's Avatar
Guru_4_hire
Thread Starter
Team Owner
15 Year Member
 
Joined: Apr 2002
Posts: 62,198
Likes: 1
From: All humans are vermin in the eyes of Guru VA
Cruise-In IV Veteran
Cruise-In V Veteran
Default

Thats great thanks
Reply

Get notified of new replies

To [73]WTF is this wire





All times are GMT -4. The time now is 07:42 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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