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1

1964 1/2 - 1965 / Re: Holes in dash

« Last post by J_Speegle on Today at 03:18:31 AM »

The original question was where to mount the fog lamp switch on a 65 Mustang. To date, that switch was not factory mounded on the bottom of the dash.
Jim

As I read the post the GT light switch was one (the first) of two requests \

OP  wrote - "I would also like to weld all other holes under the dash. Some are pretty obvious that they were added at a later point. Others I can't tell for sure."   

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1964 1/2 - 1965 / Re: Holes in dash

« Last post by jwc66k on Today at 01:19:39 AM »

Here are some pictures of the bottom of the dash - Hope thy help

The original question was where to mount the fog lamp switch on a 65 Mustang. To date, that switch was not factory mounded on the bottom of the dash.
Jim

3

1964 1/2 - 1965 / Re: Holes in dash

« Last post by J_Speegle on April 29, 2024, 11:34:09 PM »

Here are some pictures of the bottom of the dash - Hope thy help

#1



#2



#3



#4



#5



#6



#7



#8

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1968 Mustang / Re: 1968 San Jose GT 390 Fastback Drivers Side Mirror mounts

« Last post by Keith Stem on April 29, 2024, 09:07:23 PM »

382968-S45 10-24 x 1 Chrome over SS, AMK P/N B-12524

379556-S36 10-24 Riv-Nut, AMK P/N B-12928

NPD Part Number: 17696-4AK
Manufacturer Reference #'s: AMK F-802

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1968 Mustang / Re: 1968 San Jose GT 390 Fastback Drivers Side Mirror mounts

« Last post by RoyceP on April 29, 2024, 05:36:36 PM »

How about these from AMK?

Yes with the #8 Head those ought to fit and work fine. The extra length will not hurt anything.

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1964 1/2 - 1965 / Re: Holes in dash

« Last post by jwc66k on April 29, 2024, 05:26:05 PM »

Rough location for the fog lamp switch hole is 1 1/4 inches from the left hand edge of the dash and 4 inches up from the bottom edge. The picture is from a 66 GT Fastback built in San Jose on 18 Oct 65. My 65 GT Fastback has a similar location.
You "may" get dimensional instructions from a fog lamp kit.
Jim
Oops. Wrong picture the first time. The correct picture is there now.

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1968 Mustang / Re: 1968 San Jose GT 390 Fastback Drivers Side Mirror mounts

« Last post by Bob Gaines on April 29, 2024, 05:23:19 PM »

How about these from AMK?

it looks like you found some if you choose to be like the assemblyline.

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1964 1/2 - 1965 / Re: Holes in dash

« Last post by birddog on April 29, 2024, 04:49:36 PM »

Thanks. It's an early 1965 Fastback San Jose build. It's a non GT, but I may add the GT fog lights.

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1968 Mustang / Re: 1968 San Jose GT 390 Fastback Drivers Side Mirror mounts

« Last post by jwc66k on April 29, 2024, 04:34:11 PM »

That's interesting. They seem to be hard to come by.  When I search for 376770-s100 screw that is listed in the fastener spreadsheet and on the assembly manual page N8-8505 I come up empty.

Simply put, 376770-S100 is the assembly line screw for 1967 and 68 Mustang (probably others too). It is also the the service replacement screw for 1967 thru 1970 Mustangs as called out in the 1975 edition of "Ford Car Parts" (aka the infamous MPC). Apparently it is not reproduced or available.

I use these:
AMK Products P/N B-11557

Check the size required.

How about these from AMK?

The picture didn't copy, but the screw is 382968-S45, 10-24X1.0 SST, chrome plated, Pozi-Drive. It should be the correct thread size, but is 1 inch long, whereas 376770-S100 is 7/8 inch long. It is the assembly line specified screw for 69 and up.
You still need a "nutsert" that don't "spin".
Jim

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1964 1/2 - 1965 / Re: Holes in dash

« Last post by jwc66k on April 29, 2024, 04:03:52 PM »

I'm trying to do the final welding on the dash. Curious if anyone has pictures of an original dash, especially underneath. The first picture is the possible location of GT fog lights switch. Does that location and size of the hole look correct? I would also like to weld all other holes under the dash. Some are pretty obvious that they were added at a later point. Others I can't tell for sure. Thanks. BTW the car is upside down on a rotisserie.

The 1965 and 66 Fog Lamp switch is not under the dash but located on the "slope" about halfway up between the lower bend and the edge of the instrument panel. I'll try to get a picture and dimensions later.
It would be advantageous to you in your questions and other members in answers if you included the year, plant, model and scheduled build date in your posts.
If you do not have a set of Mustang Assembly manuals for your car's year, I urge you to get a set. I've got my right elbow resting on the 65 Mustang Electrical Manual page with the fog lamp wiring.
Jim