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Light Bulb Size Help

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Old 08-03-2010, 04:20 PM
Join Date: May 2010
Vehicle: 2010 Ford F150 Fx2
Posts: 18
Light Bulb Size Help

What size are the third brake light bulbs??
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Old 08-03-2010, 06:06 PM
glc glc is offline
Senior Member
Join Date: Dec 2006
Location: Joplin MO
Vehicle: 2003 Ford F150
Posts: 31,320
I don't have a 2010 owner's manual here, but in my 2003 manual, bulb trade numbers are all listed. My cyclops takes a #912.
2003 F-150 XL RCSB 2wd 4.2 M5OD 3.55 LS
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Old 08-03-2010, 06:20 PM
Join Date: Jul 2010
Posts: 20
09-'10 is a 921
2010 XLT SCrew 2WD Sterl Grey - OEM Black Sdsteps - 55W reverse - USB2 - LED map dome & plate - Silverstar Cargo & reverse - DEBO tailgate step - Wireless Keyless - Tint 35%/20% - Duraliner - Short antenna
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Old 08-03-2010, 06:42 PM
Senior Member
Join Date: Nov 2009
Location: NC
Vehicle: 2009 Ford F150
Posts: 1,712
Here's a suggestion: Download a PDF of your manual and you'll have the information you need whenever you're at you computer.

My fuel mileage:
Originally Posted by MGDfan View Post
"The Spoon Department is now closed. Please proceed to the Self-Help Department, 3 doors down. Door is unlocked, but you will need to turn the **** and actually open the door yerself. Otherwise, be prepared to stand in the hallway unnoticed for a very long time."
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Old 08-04-2010, 08:26 AM
Junior Member
Join Date: Apr 2010
Vehicle: 2010 Ford F-150
Posts: 9
Here's another suggestion. Take the old bulb out and have a look.
2010 FX4 Tuxedo Black, 6.5' bed
Bilstein 5100s set @1.0", Pro Comp 2" Level Kit
3" Readylift in rear
Banks Monster Duals
Mamba 2 wheels, 295R65x18 DuraTracs
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