IA F/S: 73-87 power window relay harness

[BLT gmc]

I will be in the market for an express down relay harness for a 85 C20 2 door this spring. Do you have a harness available? Price? Shipping to 51555 Thank you, Bruce

[gmachinz]

Bruce, PM sent! Thanks for the interest!

[slimneverdies]

Have a four door that I would like the express down feature.....

[meatwagon83]

Originally Posted by slimneverdies

Have a four door that I would like the express down feature.....

i would as well, along with a shipping quote to 45062

[NastyBuzzard]

So you sell a kit for power windows w/ relays (2 door)
a kit for headlights and a kit to do electric fans?

Can I have more info on this? I definitely plan to do the doors and electric fan swap.

[1976K5CHALET]

Having done a lot of wiring work over the years id like to say wow to your attention to detail and quality of the parts used!

Any thoughts on replacement window motors. I bought so A1 auto motors from ebay and together they lasted a day...

DW

[gmachinz]

Thank you for the kind words! I try to provide the highest quality OEM style harness with or without late model upgrades....I build them exactly as I use them!

[gmachinz]

Any thoughts on replacement window motors. I bought so A1 auto motors from ebay and together they lasted a day...


There's a local 3M electrical shop in town around here that services any type of motor-Id say check into that or, I have had good luck sending the OEM window motors out to A-1 Cardone for an R&R rebuild. Back when I was a parts counter guy (yep, there were of a few of us parts guys who knew our stuff!) we used to routinely send off OEM parts for customers to get rebuilt-stuff like water pumps, alternators, distributors, etc. when they wanted to retain a numbers matching vehicle.

[gmachinz]

PM sent!

[gmachinz]

PM sent to the meatwagon!

[345HP87SSAC]

Hey did not realize you were on this board too. I will be getting the Crew express kit we talked about as soon as the truck is in the driveway.

BTW the kit and fan for my Monte SS is fantastic. Looks very clean and works perfectly!

[gmachinz]

Sweet....yeah, I have an 86 K10 shortbox I'm building at the same time as my 80 Monte. And, I'm building my father in laws 77 GMC High Sierra. Glad the fan kit is working out on the SS. I built an indentical kit for my truck using a 2-speed Crown Victoria fan but I have it wired on the high speed terminal using my 3-speed harness. On the muggy Iowa summers and having AC, it maintains 185-190 all the time. I may have to just come down for a week of custom install work for ya if this keeps up....lol.

[gmachinz]

Sure...PM me with details on what you're looking to do. I have a unique 3-speed fan harness that can be used on any fan or dual fan setup and is designed to eliminate voltage spiking. I build both used and new fan kits kits. The new fans I prefer to use are 2010-up Mustang GT fans-they move a lot of CFM-similar to the dis-continued Mark VIII fans from Motorcraft.

[gmachinz]

I have 6 more power window relay kits available for 4-door applications. PM if interested. I have an order in for more supplies and will have a kit for K-5 Blazer soon.

[gmachinz]

This is the basic 4-door relay kit. Express Down can be added by request.....it can be any number of windows....each window requires 2 relays and 1 Express Down module if desired. Wiring diagram and polyolephin tubing included-easily mounts behind door panel and all wiring is done right at each switch.

[Ranger6202]

how much for the 4 door kit? How much more if you added two express down modules? Thanks.

[1968vetL-71]

Interested in 4 door harness with express down on driver/passenger front only.

[gmachinz]

PMs sent.

[gmachinz]

PM sent to chevy-fun! As stated in the PM, the front lighting harness is complete from firewall bulkhead connector out with integrated relay upgrade for headlights-no need to splice or use adapters. I had ordered a variety of the so called HD ceramic headlight connectors and was not at all impressed a ceramic was more like dried toothpaste and chipped off easily-not to mention the thin terminals are nowhere near the quality of a Packard 59-series terminal....heck, the ceramic material is so weak the Packard 59 terminals won't even fit in them! So, I use NEW thermoplastic Delphi headlight connectors.

[chevy-fun]

Thanx gmachinz. My light harness came in today. Excellent quality prob wait till the weekend to put in. thought i was going to be off today

[1774btcrew]

I am interested in a 4 door harness with express down and one for a Blazer when you get them done.

[gmachinz]

Chevy-fun....sounds good. You needed it fast so I got it out to ya fast! Yeah, its no fun thinking you have the day off then have to work...been there myself.

btcrew-I have several harnesses to work on this weekend so I'll message you when I have those two harnesses built and tested.

[slimneverdies]

I have a 77 crewcab with manual doors that I'm putting 90 suburban doors on it. Is it possible to hook these relays into my 77 fuse box or will there be more things to add to it??

[gmachinz]

No, a complete replacement harness will work. The only difference that won't matter in your case is that the power door lock relay mounts on a bracket to the right of the accelerator pedal vs. at the fusebox. My harness has all the correct GM fusebox connectors.

[gmachinz]

Just to clarify, if you are putting full power doors on your 77 that is not equipped with power accessories, you'll need a complete center harness at least and at most both door harnesses unless you managed to retain both LH and RH door harnesses. But, if you want to convert to relay power or add the auto-down option for either side, you'd be better off with a complete harness to keep everything simple. The relay splice kit is designed for trucks already equipped with factory power windows.