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#1 |
Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Power Window Relay Mod?
Anybody have a write up for it? The write up on CK5 isn't helpful to me, I dont have a paid account so I cant see the pics. Anyone have parts #'s? What exactly is the mod? Thanks, Bradley
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~Bradley~ 2004 Black GTO LS2/T56 too much to list ![]() Miss having a truck ![]() |
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#2 |
Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,460
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Re: Power Window Relay Mod?
I'm gonna do this on my crew if I ever get around to it.
It uses 2 relays per window, one for up one for down. Just regular relays, 30 amps I think. Instead of the voltage going thru all the wiring and loosing some by the time it gets to the motor, going thru the relay sends a full 12 volts to the motor. I guess it turns slow ass windows into an upside down guillotine.
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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#3 |
Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Re: Power Window Relay Mod?
Where do you mount them? Etc etc!!?
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~Bradley~ 2004 Black GTO LS2/T56 too much to list ![]() Miss having a truck ![]() |
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#4 |
Registered User
Join Date: Apr 2010
Location: Newcastle, OK
Posts: 1,344
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Re: Power Window Relay Mod?
Keeping my eye on this
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#5 |
Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,460
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Re: Power Window Relay Mod?
The two relays per door fit behind the door panel. I can't remember where, I'll have to look at the thread on CK5...
I've done the headlight mod before, so wiring up relays isn't too hard. At almost $5 a pop, could get expensive with 4 doors!!! Wouldn't need much wiring, so find a place to mount the relays, run some wires, do some splicing and done....
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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#6 | |
Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Re: Power Window Relay Mod?
Quote:
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~Bradley~ 2004 Black GTO LS2/T56 too much to list ![]() Miss having a truck ![]() |
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#7 |
Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,460
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Re: Power Window Relay Mod?
This is right from CK5
I have been thinking about my slow power windows. It seems it isn't just mine, but everyone's. SO I have been seeing alot of topics about adding relays to headlights to make them brighter by adding full battery voltage. And I already added a relay to my starter for the same reason. So, I am thinking about adding some relay's to my power windows, I looked at a diagram today at work and it didn't show any. I have no problem wiring it up, but has anybody tried this yet? If not, I think I will give it a whirl and maybe do a write up on it. Let me know what ya'll think. EDIT, I just got one side done, The drivers, and it is almost twice as fast as the passenger side now. It used to be slower. I used 2 standard bosch relays. Terminal 85- power from the window switch. Terminal 30- To window motor Terminal 87A & 86- to Ground Terminal 87- Goes to power, I used the junction block on the firewall, so I get as much voltage as possible. I am going to do the other side, it is just too hot right now. It was pretty simple, and they work soo much faster. It's amazing how much voltage drop there is on 25 year old wires and connectors. here's a pic of where I put the relays. I took the pic before I ran the power wire to them.
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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#8 |
Registered User
Join Date: Jul 2010
Location: Lafayette, IN
Posts: 621
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Re: Power Window Relay Mod?
That's some good info! I might have to try this on my truck.
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#9 |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Power Window Relay Mod?
b454rat can you put up a link to the thread? This would make a great FAQ here, but I want to ensure that the OP gets proper credit.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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#10 |
been here longer than Liz
Join Date: Feb 2000
Location: Broken Arrow, OK
Posts: 2,437
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Re: Power Window Relay Mod?
I like it. Gotta try this on the K5.
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~Greg~ Mac's Garage '87 SWB 6/8 drop "Piso" '08 CCSB Silverado DD the departed '89 GMC K5 Jimmy 4x4 "Rusty Nuts" '77 Chevy K5 Blazer 2wd '83 Chevy stepside "You get what you pay for" - Mike 'swervin ervin' Ervin |
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#11 |
Registered User
Join Date: Feb 2010
Location: Central, IL
Posts: 599
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Re: Power Window Relay Mod?
Awsome mod - I'm about ready to add PW/PL to the CUCV and this would be perfect to use since I'm starting from scratch.
Wonder if it might help the wipers and blower as well?
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03 Suburban Z71 Z71 98 GMC Yukon SLT 4x4 Yukon 86 M1009 CUCV Project Milverado 48 Willys CJ2A 48CJ2A Last edited by 48cj2a; 06-22-2011 at 06:13 PM. |
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#12 |
Registered User
![]() Join Date: May 2005
Location: Tallahassee Fl
Posts: 773
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Re: Power Window Relay Mod?
Do you really need help down??? My Down is good
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#13 | |
Registered User
Join Date: Jun 2010
Location: Las Vegas, Nv
Posts: 312
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Re: Power Window Relay Mod?
Quote:
Also like to add that if you can find 'em, get the relays that have the bracket part made out of metal. The plastic bracketed ones like in the picture above always break off after not too long, and in this case will create a rattle within the door.
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1995 Suburban K2500 454.....off road & towing 1999 Astro, work van 2006 Silverado 2wd 5.3 w/4.5" lift and 33s Last edited by TheApocalyptican; 06-22-2011 at 06:39 PM. |
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#14 |
Registered User
Join Date: Feb 2010
Location: Fort Worth, TX
Posts: 727
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Re: Power Window Relay Mod?
I have a few relays laying around and some spare time, I wonder how much of a difference this mod makes?
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#15 |
Registered User
Join Date: Jun 2010
Location: Las Vegas, Nv
Posts: 312
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Re: Power Window Relay Mod?
Same thing I was wondering. Might be best to quick try it on your slowest window. I wouldn't even bother running the wire thru the door, just quick wire it up, and see if it really makes a difference before you go thru all the trouble of making it nice.
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1995 Suburban K2500 454.....off road & towing 1999 Astro, work van 2006 Silverado 2wd 5.3 w/4.5" lift and 33s Last edited by TheApocalyptican; 06-22-2011 at 07:10 PM. |
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#16 |
Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,460
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Re: Power Window Relay Mod?
http://coloradok5.com/forums/showthr...=window+relays
There are a couple of diagrams in there, not sure if needed or not. If so lemme know what ones and I can get them....
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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#17 |
Registered User
Join Date: Dec 2010
Location: sioux city, iowa
Posts: 619
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Re: Power Window Relay Mod?
I just rewired my 83 using 5 relays. Some guy on e bay sells 5 (5 wire) relays WITH pigtails and FREE SHIPPING for $18.
http://www.jkowners.com/forum/showthread.php?t=1261 Here is a wiring diagram. Last edited by rayfinseats; 06-22-2011 at 11:22 PM. |
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#18 |
Registered User
Join Date: Mar 2000
Location: Blue Ridge, Tx
Posts: 1,172
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Re: Power Window Relay Mod?
I have thought about this and now that I've seen feedback, I'll be doing it to mine and my neighbor's trucks. Thanks!
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#19 |
Registered User
Join Date: Dec 2009
Location: Milton, FL
Posts: 733
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Re: Power Window Relay Mod?
doing this soon. I hate waiting on my windows to roll up lol
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#20 |
Resident of Here
Join Date: May 2008
Location: Wesley Chapel, FL, USA
Posts: 7,716
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Re: Power Window Relay Mod?
Thanks b454rat! Big help! Now to buy some wire, relays, and learn how to remove/install the door panels.
AMEN!
__________________
~Bradley~ 2004 Black GTO LS2/T56 too much to list ![]() Miss having a truck ![]() |
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#21 |
Registered User
Join Date: Mar 2011
Location: Northern New Jersey
Posts: 13
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Re: Power Window Relay Mod?
I am definately going to do this mod also..... I just have one question.... Do you need to wire up something additional for the driver to put down the passenger window... Or is that covered in the directions and I just missed it..... I would assume you have to run a wire from the switch on the drivers side to the relays on the passengers side to activate the passenger window from the drivers side???
If I am wrong I apologize..... but I am just wondering what has to be connected in that scenario... Thanks Mike |
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#22 |
Registered User
Join Date: Apr 2010
Location: Guntersville Alabama
Posts: 1,073
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Re: Power Window Relay Mod?
This is a great mod. It was a simple mod and well worth doing. I did mine when I had the truck apart. I put my relays just above where the wires go out threw the fire wall to the doors. I felt they would be better protected from the weather. I also cut my wires to the motor about 2" from the motor and added a much larger wire all the way down to the motor .I pulled the original wire back up threw the door jamb to the inside of the fire wall to run the relays. 2 wires up to the relays from the motor, and 2 large wires down from the relays to the motor. It works great. The first thing my friends show off about my truck is the windows in action.
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#23 |
Registered User
Join Date: Jan 2011
Location: San Bruno, CA.
Posts: 348
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Re: Power Window Relay Mod?
Nice, I was thinking of replacing my motors because of how slow they are, but I guess I'll just do this mod and see how it works.
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#24 | |
Registered User
Join Date: Aug 2008
Location: mohave valley,arizona
Posts: 1,088
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Re: Power Window Relay Mod?
Quote:
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1969 Shortbed in progress 1982 short step, few suspension and motor upgrades.getting a 468 1978 Shortbed fleet side bonanza fully loaded 1978 k20 Silverado loaded.currently engine-less 1989 k10 suburban 9" lift 65 nova And more |
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#25 |
Registered User
Join Date: Jun 2010
Location: Las Vegas, Nv
Posts: 312
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Re: Power Window Relay Mod?
Just did this on the front drivers side window. Up or down now takes 3 seconds flat, vs 4 going down before, and 4.5 going up.
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1995 Suburban K2500 454.....off road & towing 1999 Astro, work van 2006 Silverado 2wd 5.3 w/4.5" lift and 33s |
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