Help finding power window electrical terminals
#2785474
06/14/20 06:14 PM
06/14/20 06:14 PM
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Joined: Jan 2003
Posts: 12,078 Benton, IL.
DaveRS23
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Benton, IL.
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The passenger power window in my 70 Cuda has been giving me trouble. It works intermittently. I have traced the problem to the round terminal ends that attach to the back of the switch. They have been hot and have lost their tension.
Anyone know of a source for those buggers? It would be nice to be able to get new terminals that I could crimp on the wire ends. But if I could locate a replacement harness end, I would splice that on if I had to.
Thanks for any leads.
Master, again and still
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Re: Help finding power window electrical terminals
[Re: 70runner]
#2785743
06/15/20 02:39 PM
06/15/20 02:39 PM
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Posts: 12,078 Benton, IL.
DaveRS23
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Well, I figured as much. Those are some unique terminal ends.
Thank you for the info.
Master, again and still
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Re: Help finding power window electrical terminals
[Re: TJP]
#2785854
06/15/20 08:49 PM
06/15/20 08:49 PM
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Posts: 12,078 Benton, IL.
DaveRS23
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The purple and the yellow ends have been hot at some point and have lost their strength. I have fought this for years and have been able to limp along until recently. The pins measure about .091". If worse comes to worse, I may be able to use .157 female bullet connectors. I would need to open the split up wider so that I could size the connector down to the .09" range so it would grip the pins. Then there is the issue that those connectors shoot straight out from the switch rather than turn 90*. There may be interference problems. It sure would be easier to find 2 of those connectors or 2 wire ends with those connectors on them.
Master, again and still
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2785867
06/15/20 10:06 PM
06/15/20 10:06 PM
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Joined: May 2019
Posts: 6,250 nowhere
Sniper
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Re: Help finding power window electrical terminals
[Re: Sniper]
#2785869
06/15/20 10:09 PM
06/15/20 10:09 PM
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Joined: Jan 2003
Posts: 12,078 Benton, IL.
DaveRS23
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Hmmmmmmmmm, might need to measure that pin diameter and see if that would fit.
Master, again and still
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Re: Help finding power window electrical terminals
[Re: 71rm23]
#2786007
06/16/20 01:05 PM
06/16/20 01:05 PM
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Joined: Jan 2003
Posts: 4,270 Morrow, OH
markz528
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What size do you need? Digikey has several sizes that might work. What gage wire? Digikey Connectors
Last edited by markz528; 06/16/20 01:06 PM.
67 Coronet 500 9.610 @ 139.20 mph 67 Coronet 500 (street car) 14.82 @ 94 mph 69 GTX (clone) - build in progress......
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Re: Help finding power window electrical terminals
[Re: 71rm23]
#2786023
06/16/20 01:47 PM
06/16/20 01:47 PM
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Joined: Jan 2003
Posts: 12,078 Benton, IL.
DaveRS23
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That's what I was talking about earlier. .157" female bullet connectors are everywhere. My posts are .091". They might work with some modifications as long as the fact that they do not leave the connection at a 90* angled doesn't put them in contact with something in the door. But there were some 'flag connectors' pictured that might work, but would take a lot of modifications. Thanks
Master, again and still
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Re: Help finding power window electrical terminals
[Re: markz528]
#2786026
06/16/20 01:54 PM
06/16/20 01:54 PM
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Posts: 12,078 Benton, IL.
DaveRS23
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What size do you need? Digikey has several sizes that might work. What gage wire? Digikey Connectors I would guess that the wire guage is 14ish. The posts are .091". Those connectors are .156" and larger. .156" is a real popular size, they are everywhere. And I will likely have to find something workable in the .156" size and try to size it down to the necessary .091". Thanks
Master, again and still
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2786055
06/16/20 03:26 PM
06/16/20 03:26 PM
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Posts: 4,270 Morrow, OH
markz528
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What size do you need? Digikey has several sizes that might work. What gage wire? Digikey Connectors I would guess that the wire guage is 14ish. The posts are .091". Those connectors are .156" and larger. .156" is a real popular size, they are everywhere. And I will likely have to find something workable in the .156" size and try to size it down to the necessary .091". Thanks I know what I would do. I would buy 5/32 brass rod....... brass rodCut it to length, drill on my lathe and ream to size (measure the pins accurately so that you have about 0.0003" press fit and buy the appropriate reamer - they can be made slightly smaller with a stone when necessary)........ reamerHeat the bushing up to 300 degrees in an oven and slide it on, install the .156 connector and not look back...........
Last edited by markz528; 06/16/20 03:30 PM.
67 Coronet 500 9.610 @ 139.20 mph 67 Coronet 500 (street car) 14.82 @ 94 mph 69 GTX (clone) - build in progress......
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2786105
06/16/20 06:38 PM
06/16/20 06:38 PM
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Joined: Jan 2003
Posts: 12,078 Benton, IL.
DaveRS23
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While I appreciate the suggestions guys, the down sides to those suggestions have already been covered. But, I'll go over them again.
The first point is new, I do not have a lathe. But then, as I have covered before, the female bullet connectors go straight out from the switch. Unlike the originals which 90* right off the connection. It looks like the wires will not clear the window and mechanism when rolled down. Which is why the OE ones make the 90* turn immediately.
And I have pinched the barrels smaller before, but there is no strength left in them to hold any tension.
Master, again and still
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2786142
06/16/20 08:38 PM
06/16/20 08:38 PM
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Posts: 12,078 Benton, IL.
DaveRS23
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If I can figure out the right size of these that will fit the posts, I think I can use the barrel that would normally hold the wire to instead go over the post on the switch. Then modify the blade so that I can solder the wire to it and maintain the 90* turn. https://www.amazon.com/Uninsulated-...amp;pf_rd_t=BROWSE&pf_rd_i=306724011What do you think? And can anyone help me size the barrel. I can find the OD of the different wire sizes, but I can't find any info on the actual diameter of the wire itself which would tell me the size of the barrel.
Master, again and still
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2786232
06/17/20 08:05 AM
06/17/20 08:05 AM
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Joined: Jan 2003
Posts: 1,756 London, England
Gavin
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And I have pinched the barrels smaller before, but there is no strength left in them to hold any tension. If it were me I'd focus on what might be possible to restore the tension in the terminals you have. It may be that by heat treating them you can do that. Not sure if they are brass, copper, or a mix etc, but certainly for some metals it's possible to restore their properties as long as they aren't fatigued, which I doubt these would be unless they've been off and on many many times. A bit of google search on restoring tension to brass/copper terminals etc might pay off. If it does, easy fix. If not you've not lost anything but a bit of time.
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2786237
06/17/20 08:18 AM
06/17/20 08:18 AM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
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If ANYTHING of all mentioned really works, you can still conect the terminals and sold them to the switch pins, then cut the wires just right before the switch and insert a male/female plug setup to be able to disconect the switch if needed. This will left the switch with an attached pigtail but still able to unplugg it if required. I can see those wires could be 14 gauge ? a 5 ways packard plug will hold the load, specially being ocasional. here you have 3, 4, 5, 6 ways packard male and female plugs... it seems you need a 5 ways for that switch. https://theelectricaldepot.com/weat...6?zenid=38d4b9a28f22dd1f2f0bbf86bdfdff41it seems the male end can be attached somewhere into the door sheetmetal to prevent to be loosen around then the female end will plug it some other sellers offers these up to 8 ways https://www.mouser.es/Aptiv/Connectors/Automotive-Connectors/56-Series/_/N-1ehb5?P=1z0wv3lZ1z0zlez
Last edited by NachoRT74; 06/17/20 08:39 AM.
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Help finding power window electrical terminals
[Re: DaveRS23]
#2786247
06/17/20 08:56 AM
06/17/20 08:56 AM
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Joined: Jan 2003
Posts: 12,078 Benton, IL.
DaveRS23
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Gavin, I would not even know where to start to determine the type of metal that the terminals are made from to know what process to search for. They look like brass, but that covers a lot of ground. And as I mentioned before, 2 of the terminals have been hot in the past and they are just plain weak. Not much to work with. I believe they are past the point of no return and need replaced.
Natcho, I don't know if the switch will take the heat of soldering wires onto the posts. The posts are very short and are bedded in a phenolic like plastic. If the switch would take the heat, then something like that would work. But if it didn't, these switches are a pain to find and expensive. Frankly, I would be afraid to try to solder on them.
Master, again and still
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