Courtesy Lamp
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Originally Posted by instig8r63
Is the 1003 bulb the correct one?
My socket did not have one in it.
My socket did not have one in it.
1961/67 F100/750: Dome light #1003 / 1968/69 #1004 / 1970/72 #105
1965/68 Mustang: Courtesy Light-under dash #631 / Courtesy Light-door mounted #90 or #1004 / Courtesy Light-console mounted #1816
1967/68 Mustang Dome Light #1003
Last edited by NumberDummy; Jan 7, 2008 at 08:00 PM.
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O.K. Bill, I got to thinking about this and I'm not doubting you but does that mean that there are 3 different dome light housings for 61-72 trucks?
The #105 bulb and the #1003 bulb are similar in that they both are single contact and have the same brightness (candlepower rating) but the size of the glass part of the bulb is different.
The #1004 bulb is a two contact, single filament bulb (obviously requiring two wires, a ground wire and a positive wire).
The 61-67 and the 70-72 housings ground against the cab body. Why would the 68/69 housing require two wires?
The #105 bulb and the #1003 bulb are similar in that they both are single contact and have the same brightness (candlepower rating) but the size of the glass part of the bulb is different.
The #1004 bulb is a two contact, single filament bulb (obviously requiring two wires, a ground wire and a positive wire).
The 61-67 and the 70-72 housings ground against the cab body. Why would the 68/69 housing require two wires?
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Originally Posted by instig8r63
O.K. Bill, I got to thinking about this and I'm not doubting you but does that mean that there are 3 different dome light housings for 61-72 trucks?
The #105 bulb and the #1003 bulb are similar in that they both are single contact and have the same brightness (candlepower rating) but the size of the glass part of the bulb is different.
The #1004 bulb is a two contact, single filament bulb (obviously requiring two wires, a ground wire and a positive wire).
The 61-67 and the 70-72 housings ground against the cab body. Why would the 68/69 housing require two wires?
The #105 bulb and the #1003 bulb are similar in that they both are single contact and have the same brightness (candlepower rating) but the size of the glass part of the bulb is different.
The #1004 bulb is a two contact, single filament bulb (obviously requiring two wires, a ground wire and a positive wire).
The 61-67 and the 70-72 housings ground against the cab body. Why would the 68/69 housing require two wires?
I'm just the messenger...I read the catalog, and type what I see.
1964/72 Ford Truck Parts Catalog / Section 134 / Page 11 / Miniature Bulb Chart / F Series.
Verbatum
1961/67: B6AZ-13466-A .. #1003 Bulb / Single Contact - 15 Candle Power
1968/69: C3SZ-13466-A .. #1004 Bulb / Double Contact - 15 candle Power
1970/72: D0AZ-13466-A .. #105 Bulb / Single Contact - 12 Candle Power
================================================== ========
Body & Socket-Dome Lamp
1961/66: C4TZ-13786-A
1967/72: C7TZ-13786-A
The question is: Which bulbs are correct for 1968/72?
A double contact bulb won't work with a single contact socket.
It's obvious to me from what I typed, that the #1004 double contact bulb listed for 1968/69 is in-correct.
Last edited by NumberDummy; Jan 9, 2008 at 02:32 AM.
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