Do you guys get flashed a lot?
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Ford Trucks for Ford Truck Enthusiasts
Your vehicle may be equipped with a sealed beam or aerodynamic headlamp system. Sealed beam headlamps may be aimed in the vertical (up/down) and the horizontal (left/right) directions using the procedures following. The aerodynamic headlamps can only be aimed in the vertical direction (up/down) using the following procedures. The headlamps on your vehicle are properly aimed at the assembly plant and should not normally need adjusting.
Vertical and horizontal aim adjustment (sealed beam headlamps)
The headlamps on your vehicle are intended to be aimed using mechanical aimers. If mechanical aimers are used and the cross-car sight line is in any way blocked, set the legs of the universal adaptor all to the same setting, such that the cross-car sight line is no longer blocked, per the instructions for the brand of mechanical aimer used. You can also aim the headlamps visually using the procedure below.
To adjust the headlamps:
- Park your vehicle on a level surface about 25 feet (7.6 meters)
- away from a vertical plain surface (3). Check your headlamp alignment at night or in a dark area so that you can see the headlamp beam pattern.
- (1) 8 feet (2.4 meters)
- (2) Center height of lamp to ground
- (3) 25 feet (7.6 meters)
- (4) Horizontal reference line
- (5) Center of headlamps
- (6) Center line of the vehicle
- The center of the headlamp is marked either on the lens (a circle or cross marker) or on the bulb shield, internal to the lamp (mark or feature). Measure the height from the center of your headlamp to the ground (2) and mark an 8 foot (2.4 meter) long horizontal line on the wall or screen (1) at this height (masking tape works well).
- Turn on the low beam headlamps and open the hood.
- Locate the high intensity area of the beam pattern and place the top edge of the intensity zone even with the horizontal reference line (4). If the top edge of the high intensity area is not even with the horizontal line, follow the next step to adjust it.
- Locate the vertical adjuster (2) for each headlamp. Adjust the aim by turning the adjuster control either clockwise (to adjust up) or counterclockwise (to adjust down).
- In addition to the horizontal line marked in step 2, a pair of vertical lines (5) must be marked at the center line of the headlamps on the wall or screen.
- On the wall or screen, locate the high intensity area of the beam pattern. The left edge of the high intensity area should be even with the vertical line corresponding to the headlamp under adjustment. If the left edge of the high intensity area is not even with the vertical line, follow the next step to adjust it.
- Locate the horizontal adjuster (1) for each headlamp. Turn it clockwise or counterclockwise, to place the left edge of the high intensity area even with the vertical line corresponding to the headlamp under adjustment.
Vertical aim adjustment (aerodynamic headlamps)
The headlamps on your vehicle can only be vertically adjusted. Your vehicle does not require horizontal aim adjustments.
To adjust the headlamps:
- Park the vehicle directly in front of a wall or screen on a level surface, approximately 25 feet (7.6 meters) away.
- (1) 8 feet (2.4 meters)
- (2) Center height of lamp to ground
- (3) 25 feet (7.6 meters)
- (4) Horizontal reference line
- Measure the height from the center of your headlamp (indicated by a 3.0 mm circle on the lens) to the ground and mark an 8 foot (2.4 meter) horizontal reference line on the vertical wall or screen at this height (a piece of masking tape works well).
- Turn on the low beam headlamps to illuminate the wall or screen and open the hood. Cover one of the headlamps so no light from that lamp hits the wall.
- On the wall or screen you will observe a light pattern with a distinct horizontal edge towards the right. If this edge is not at the horizontal reference line, the beam will need to be adjusted so the edge is at the same height as the horizontal reference line.
- Locate the vertical adjuster on each headlamp, then use a E5 Torx socket to turn the adjuster either counterclockwise (to adjust down) or clockwise (to adjust up) aligning the upper edge of the light pattern up to the horizontal line.
- Repeat Steps 3–5 for the other headlamp.
- Close the hood and turn off the lamps.

One thing I noticed about the F250/350's is that because of the front end bounce and the way the lights are verypinpoint in the center, every time one is driving towards me, it looks like THEY are flashing me. It's really because they are bounceing a bit more than the usual vehicle and I see the strongest part of the light more clearly with every bounce, giving me the impression that they are flashing me. (I'm currently driving a F150 waiting for my F250 to arrive so I notice the F250's alot as I dream about mine) It only seems to happen with the Ford though, so it must be the style of light that Ford uses.



