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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Instrument bulb

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Old Aug 26, 2014 | 10:16 AM
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Instrument bulb

The other day a few of my dash lights quit working, so I thought I'd just replace them all. After finding my bulb on one of the online parts stores, I ordered a set. They were the wrong kind, and didn't work.

I went to the local parts store, and they selected the same wrong bulb as the site had sent me.

Would anyone happen to know where to get the correct ones? They're the small, flat bulb that slips into the black plastic twist connector. What makes the original ones different is they have a small, metal, "L" shape on the side of the bulb.

Thanks!
 
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Old Aug 26, 2014 | 01:44 PM
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Originally Posted by One_F250
The other day a few of my dash lights quit working, so I thought I'd just replace them all. After finding my bulb on one of the online parts stores, I ordered a set. They were the wrong kind, and didn't work.

I went to the local parts store, and they selected the same wrong bulb as the site had sent me.

Would anyone happen to know where to get the correct ones? They're the small, flat bulb that slips into the black plastic twist connector. What makes the original ones different is they have a small, metal, "L" shape on the side of the bulb.

Thanks!
From your local Ford Dealer. Current part number is F4UZ13B765A. 1970/72 Bumps. This is a bulb and socket assembly. That is how Ford always sold them. Was originally bulb and socket number C8OZ13711A. Which was replaced by C8OZ13711B. Replaced by F3XY13B765B. Replaced by F4UZ13B765A.
 
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Old Sep 4, 2014 | 06:28 PM
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Thanks, that did the trick. It seems Ford has changed that part number several times over the last 4 decades; I was amazed that they still carry it.


The new ones were just a bit smaller in size than the originals, but went in fine. Once again I have dash lights!
 
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Old Sep 4, 2014 | 07:40 PM
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Originally Posted by One_F250
Thanks, that did the trick. It seems Ford has changed that part number several times over the last 4 decades; I was amazed that they still carry it.


The new ones were just a bit smaller in size than the originals, but went in fine. Once again I have dash lights!
"Ahhh. I see the light...." (looking at sky)Lol!
 
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Old Sep 5, 2014 | 03:02 PM
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Did you check Rockauto.com?

The bulb they list is 18 cents.
 
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Old Nov 14, 2014 | 10:30 PM
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Hey Jeff, got any of these? I just had the one behind my fuel gauge go out.
 
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Old Nov 17, 2014 | 10:36 AM
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Originally Posted by 351Cleveland C4
Hey Jeff, got any of these? I just had the one behind my fuel gauge go out.
As a matter of fact I have exactly one in stock. List price is $1.90. Wholesale price is $1.46 muchacho.
BTW, if you wanted to replace all like this OP, I can order them and have 'em 1st thing tommorrow morning as long as you let me know before Ford's cut off time of 2:00 PM.
 
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Old Nov 17, 2014 | 11:39 AM
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Ok I'll let you know. I'm gonna fidget with it some and make sure it's not just a loose wire or something.
 
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Old Nov 19, 2014 | 09:59 AM
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Originally Posted by 351Cleveland C4
Ok I'll let you know. I'm gonna fidget with it some and make sure it's not just a loose wire or something.
Good idea to do so. 1971's had a curcuit board rather than wires. You prolly already know but i'll say something here for current and future readers. In our AZ heat the thin film in those thin film curcuit boards dry up and get brittle. Then crack across the copper trails. Kinda like cutting a piece of wire in half. If this happens it will cut power to whatever is in that trail's curcuit. In your case it could be the lamp.
 
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