What does the Power Window Relay look like?
Thread Starter
Race Director
Joined: Jun 2002
Posts: 13,630
Likes: 0
From: Murfreesboro,TN
St. Jude Donor '03
What does the Power Window Relay look like?
78 Pace car
I thought I would just follow the wires from the switches to the relay, but oh no that would be too easy.
I have a silver box mounted right under the cigarette lighter; it has a large Pink wire plugged into the top, then Orange with a black stripe under that, then a smaller pink wire with a black stripe under that. Is this the Power Window Relay? Someone said that it should be back by the radio, but I don't see anything back there.
I called around to the parts stores in town, they say they don’t even have a listing for it. Chevrolet parts is not open (Of course).
Wonder if this is a part I’ll have to get from Ecklers or some were like that?
I thought I would just follow the wires from the switches to the relay, but oh no that would be too easy.
I have a silver box mounted right under the cigarette lighter; it has a large Pink wire plugged into the top, then Orange with a black stripe under that, then a smaller pink wire with a black stripe under that. Is this the Power Window Relay? Someone said that it should be back by the radio, but I don't see anything back there.
I called around to the parts stores in town, they say they don’t even have a listing for it. Chevrolet parts is not open (Of course).
Wonder if this is a part I’ll have to get from Ecklers or some were like that?
Drifting
Joined: Mar 2001
Posts: 1,514
Likes: 1
Re: What does the Power Window Relay look like? (edm1)
Looking at a wiring diagram it describes the relay as having:
A 20 gauge pink/blackwire, a 12 gauge orange/black(theses 2 wires in a single connector) and a 12 gauge pink connected to it. So it sounds like thats it. Hope that helps
Scott
A 20 gauge pink/blackwire, a 12 gauge orange/black(theses 2 wires in a single connector) and a 12 gauge pink connected to it. So it sounds like thats it. Hope that helps
Scott
Thread Starter
Race Director
Joined: Jun 2002
Posts: 13,630
Likes: 0
From: Murfreesboro,TN
St. Jude Donor '03
Re: What does the Power Window Relay look like? (Scott78)
Thanks Scott,
From that diagram can you tell me what wires I could jumper together to by-pass this relay long enough to see if that’s what’s bad?
From that diagram can you tell me what wires I could jumper together to by-pass this relay long enough to see if that’s what’s bad?
Drifting
Joined: Mar 2001
Posts: 1,514
Likes: 1
Re: What does the Power Window Relay look like? (edm1)
Yep the 12 G pink is the wire going to the center post of both window switches, so it's the power to the motors thru the switches. The Orange/Black is from the batt so is a constant hot and the Pink/Black is hot when Ign is on as a signal to relay to function when Ign is on.
If I'm reading this diagram right, the relay's only funtion is to act as a switch from a batt source that is"closed" when Ign is on. So full motor load is thru switches and not farmed out thru relay. Hope tht helps
Scott
[Modified by Scott78, 3:38 PM 7/27/2002]
[Modified by Scott78, 3:39 PM 7/27/2002]
If I'm reading this diagram right, the relay's only funtion is to act as a switch from a batt source that is"closed" when Ign is on. So full motor load is thru switches and not farmed out thru relay. Hope tht helps
Scott
[Modified by Scott78, 3:38 PM 7/27/2002]
[Modified by Scott78, 3:39 PM 7/27/2002]
Thread Starter
Race Director
Joined: Jun 2002
Posts: 13,630
Likes: 0
From: Murfreesboro,TN
St. Jude Donor '03
Re: What does the Power Window Relay look like? (Scott78)
Is this it?
Sorry for the stupid questions, but I’m a toolmaker not an electronics guy.
However, I do have a Fluke Multimeter if there’s a way to check this relay. :)
Thanks,
Dave
Sorry for the stupid questions, but I’m a toolmaker not an electronics guy.
However, I do have a Fluke Multimeter if there’s a way to check this relay. :)
Thanks,
Dave
Drifting
Joined: Feb 2000
Posts: 1,607
Likes: 0
From: Clarksville,Tn,USA TN
Re: What does the Power Window Relay look like? (edm1)
Here is a link to a on-line 78 electrical manual that another forum member posted a while back. Can find everything you need to know..
Neil in Tenn
http://www.corvetteforum.net/c3/tune...l/index6.shtml
Neil in Tenn
http://www.corvetteforum.net/c3/tune...l/index6.shtml
Drifting
Joined: Mar 2001
Posts: 1,514
Likes: 1
Re: What does the Power Window Relay look like? (Nomad78SA)
This might help a little
if you apply 12v to the terminal the pink/black wire is connected to with the case grounded. You should have no resistance thru the 2 other terminals.
Applying power to that terminal closes the contact points.
Scott
if you apply 12v to the terminal the pink/black wire is connected to with the case grounded. You should have no resistance thru the 2 other terminals.
Applying power to that terminal closes the contact points.
Scott
Thread Starter
Race Director
Joined: Jun 2002
Posts: 13,630
Likes: 0
From: Murfreesboro,TN
St. Jude Donor '03
Re: What does the Power Window Relay look like? (edm1)
Scott,
Sorry I was posting at the same time.
So if I hook the 12G Pink to the Orange/Black I have power to the switches whether the ignition is on or not and have by passed the relay. Should be able to hit the buttons and roll the windows down. :eek: :confused:
Sorry I was posting at the same time.
So if I hook the 12G Pink to the Orange/Black I have power to the switches whether the ignition is on or not and have by passed the relay. Should be able to hit the buttons and roll the windows down. :eek: :confused:
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Drifting
Joined: Mar 2001
Posts: 1,514
Likes: 1
Re: What does the Power Window Relay look like? (edm1)
So if I hook the 12G Pink to the Orange/Black I have power to the switches whether the ignition is on or not and have by passed the relay. Should be able to hit the buttons and roll the windows down. :eek: :confused:
Scott
Thread Starter
Race Director
Joined: Jun 2002
Posts: 13,630
Likes: 0
From: Murfreesboro,TN
St. Jude Donor '03
Re: What does the Power Window Relay look like? (Scott78)
Scott,
That worked. Both windows rolled down, although they were slow and the jumper wire got hot. :eek:
But that tells me the relay is bad. Now if I didn’t burn anything :crazy: up all I have to do is find a relay.
Thanks a lot for the help. :cheers:
Dave
That worked. Both windows rolled down, although they were slow and the jumper wire got hot. :eek:
But that tells me the relay is bad. Now if I didn’t burn anything :crazy: up all I have to do is find a relay.
Thanks a lot for the help. :cheers:
Dave
