Ignition switch - 1 thru 6 terminals
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Ignition switch - 1 thru 6 terminals
Can someone tell me what connects to each terminal on the 1975 F250 ignition switch pictured below?
Looking at the back of the switch, the key would turn counterclockwise.
Thanks.
Looking at the back of the switch, the key would turn counterclockwise.
Thanks.
Senior User
Joined: Oct 2010
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From: Oshkosh, Ne
I would think your best bet would be to try and find another 75 and use a test light to figure out which wires do what in the different key positions. One or two of them is going to only have power when you are cranking on the motor. on my 78 there are two large yellow wires that have constant power. Then with the switch on all but 2 or 3 of them have power. Then there is a red one with a blue stripe on mine that had power when cranking on the motor. Hope this helps
Rusty Roller
Joined: Oct 2011
Posts: 1,423
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From: Santa Cruz Mountains
These are from the factory shop manuals. They don't include the wiring schematics though; those are in a separate "wiring & vacuum" manual, which I don't have. I only have the '75 & '79 shop books....
If I see something I think is in the book I look it up, scan it, re-size, upload and post it.... Someday I will find them in *pdf but for now this works.
If I see something I think is in the book I look it up, scan it, re-size, upload and post it.... Someday I will find them in *pdf but for now this works.
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Rusty Roller
Joined: Oct 2011
Posts: 1,423
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From: Santa Cruz Mountains
Most dealers have a library and sometimes you can talk the parts manager to photo-copy a page for you, of course it helps if you know him..... What area are you having problems with?
Also .... http://fordification.net/tech/wiring.htm
Also .... http://fordification.net/tech/wiring.htm
New User
Joined: Jul 2012
Posts: 20
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1975 and '76 F250 Trucks
I am doing the same thing here. I have a brand new ignition switch purchased from LMC truck, and whomever their wiring engineer is, this person has one heck of a sense of humor. All of the wires in the plug that I bought are black.
I thought I was gonna die when I opened the package.
Here's what I did. I went Ford crazy. I bought the 2 F250's that I have, and now, just for grins, I want nothing but Ford keys hanging on my key rack here in the house, so when someone asks me for a key to something, I can tell them to get the Ford key.................."Alrighty then!"
I am installing a Ford truck ignition switch on my Onan generator and on my 1989 JCB 1400B backhoe. That will give me every vehicle that I have, "Powered By Ford", except mother's car, which is a Pontiac Grand Am.
I need to know what each spade is intended for on the back of my new switches, simply because I cannot lay down under the dash because of disability to read what is already there.
Any help?
Pictures to follow of my, "Ford Parking Only - All Others Will Be Towed", and, "Genuine Ford Parts Sold Here" signs in my driveway.
I just LOVE old Fords!!!
I thought I was gonna die when I opened the package.
Here's what I did. I went Ford crazy. I bought the 2 F250's that I have, and now, just for grins, I want nothing but Ford keys hanging on my key rack here in the house, so when someone asks me for a key to something, I can tell them to get the Ford key.................."Alrighty then!"
I am installing a Ford truck ignition switch on my Onan generator and on my 1989 JCB 1400B backhoe. That will give me every vehicle that I have, "Powered By Ford", except mother's car, which is a Pontiac Grand Am.
I need to know what each spade is intended for on the back of my new switches, simply because I cannot lay down under the dash because of disability to read what is already there.
Any help?
Pictures to follow of my, "Ford Parking Only - All Others Will Be Towed", and, "Genuine Ford Parts Sold Here" signs in my driveway.
I just LOVE old Fords!!!
Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
I am doing the same thing here. I have a brand new ignition switch purchased from LMC truck, and whomever their wiring engineer is, this person has one heck of a sense of humor. All of the wires in the plug that I bought are black.
I need to know what each spade is intended for on the back of my new switches, simply because I cannot lay down under the dash because of disability to read what is already there.
Any help?
I need to know what each spade is intended for on the back of my new switches, simply because I cannot lay down under the dash because of disability to read what is already there.
Any help?
I know what you're asking but there are diagrams/drawings in this thread with info on how to identify the terminals and test the switches. Don't ya see them????
New User
Joined: Jul 2012
Posts: 20
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I did see all of the pictures posted here, but what I don't see, is the wiring diagram/legend for the ignition switch that was originally pictured by MyFreeFord. I HATE that almost everything we buy nowadays is Made In China, especially when I'm trying to keep my American quality Ford trucks running!!!!!!
This is something that I need just shut up about right now before I get banned from here, squealing like a greased pig about crap that is made in you-know-where.
The pictures that I see here are for a different ignition switch. At least that's how I'm viewing the diagrams.
My name GoodiePop only means one thing. There's a soda pop and there's a Goodie Pop, and that Goodie Pop is a Miller Genuine Draft. I think you're smart enough to figure out the rest on your own ;O)
This is something that I need just shut up about right now before I get banned from here, squealing like a greased pig about crap that is made in you-know-where.
The pictures that I see here are for a different ignition switch. At least that's how I'm viewing the diagrams.
My name GoodiePop only means one thing. There's a soda pop and there's a Goodie Pop, and that Goodie Pop is a Miller Genuine Draft. I think you're smart enough to figure out the rest on your own ;O)
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