Ignition switch issues
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Ignition switch issues
I had my 1966 F350 fail to start on the weekend. Finally got it down to the switch. I did no work previous to the no start and by twisting the switch I got it operating. Last year I replaced the locks and switch with no issues but looks like the switch is flaky. Can I get a NOS switch and how do I get the switch out of the dash.
Senior User
Joined: Dec 2015
Posts: 235
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From: Southeast Missouri
To remove the switch from the dash
1. turn the key to the Acc position
2. Insert a small piece of wire or paper clip into the small hole just below the key and depress the small spring loaded button inside the lock
3. Turn the key even farther counter clockwise while pushing in with the paperclip.
4. Now pull the key straight out and the whole lock cylinder should come out with it
5. Then reach under the dash and push the switch towards the seat and twist it a quarter turn while holding the bezel to the dash with your other hand.
Then The switch should just come right out from under the dash
1. turn the key to the Acc position
2. Insert a small piece of wire or paper clip into the small hole just below the key and depress the small spring loaded button inside the lock
3. Turn the key even farther counter clockwise while pushing in with the paperclip.
4. Now pull the key straight out and the whole lock cylinder should come out with it
5. Then reach under the dash and push the switch towards the seat and twist it a quarter turn while holding the bezel to the dash with your other hand.
Then The switch should just come right out from under the dash
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
You can get a NOS switch if you have a good part #, probably from Early Ford parts, or that place down in Waxahachie (NOSpartsltd.com) or maybe eBay.
This would be by far the best choice, as aftermarket electrical parts have long been a gamble, but especially these days with all the overseas crapola parts.
This would be by far the best choice, as aftermarket electrical parts have long been a gamble, but especially these days with all the overseas crapola parts.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 783
From: Simi Valley, CA
The original switch (C3AZ-11572-A) was replaced in 1967 with another (C7UZ-11572-A) that has an extra terminal.
C3AZ-11572-A .. Ignition Switch (Motorcraft SW-353) / Obsolete
Misc. applications: 1961/66 F100/1100 / 1965/66 Mustang / 1966 Bronco.
This switch was available from auto parts stores, but by now, it's probably the 1967 replacement.
C3AZ-11572-A =
NOS PARTS SOURCE in Olathe KS has 1 = 913-220-5746.
OBSOLETE RELIABLE PARTS in Nashville GA has 1 = 229-686-5101.
C3AZ-11572-A .. Ignition Switch (Motorcraft SW-353) / Obsolete
Misc. applications: 1961/66 F100/1100 / 1965/66 Mustang / 1966 Bronco.
This switch was available from auto parts stores, but by now, it's probably the 1967 replacement.
C3AZ-11572-A =
NOS PARTS SOURCE in Olathe KS has 1 = 913-220-5746.
OBSOLETE RELIABLE PARTS in Nashville GA has 1 = 229-686-5101.
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