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Side Marker Light LED Bulb Upgrade

In an effort to eventually replace all of the stock light bulbs in the 1987 Buick Grand National with LED style bulbs, this next set is a rather simple one.

red led bulbsThe side marker lights consist of 2 yellow (amber) in the front corners, and 2 red on the back corners.
Of course, while you are replacing the ones in the back, you should also switch out the 2 center ones as well using the same type of red LED’s.

Both the front & rear side marker lights take a 194 style bulb (AKA T10).

There’s many LED bulbs to pick from, but we chose the 6-light type (2 on the front plus 4 on the side) with a 6530 chip (for high-power brightness).



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PARTS:

2x LED bulb amber
4x LED bulb red
(less than $15 for all of them, bought off ebay)

TOOLS:

T10 (star point) screwdriver (for front headlight bezel removal)

TIME REQUIRED:

less than 15 minutes

HOW TO:

FRONT:
1. unscrew the headlight bezel (4 screws, see pic for location).
2. twist the light socket & pull out.
3. remove bulb, replace with new light.
4. return socket to original position.
5. reinstall bezel.
6. do the other side the same way.

REAR:
6. unscrew the 4 fasteners that hold the rear lights in place (from inside the trunk).
7. pull out the assembly from the body.
8. twist the rear corner light socket & pull out.
9. remove bulb, replace with new light.
10. remove the middle bulb (see pic), replace with new light.
11. reinstall the light assembly.
12. do the other side the same way.

That’s all you need to do. Mission accomplished!

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(TIP: when you buy bulbs, get the ones with side-facing projection as well as front-facing, since you want the light shining across all directions – which is especially important for the front side marker lights!)

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buick grand national headlight bezel removal screw location

remove the screws

headlight bezel removal screw location buick grand national stock front side marker light

buick grand national front original side marker light

replace the bulb

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buick grand national tail light removal

remove the fasteners

buick grand national rear light lens removal

pull out the housing

buick grand national tail light LED bulb
buick grand national stock rear side marker light

switch out OEM light

buick grand national rear side marker light LED upgrade

with this LED bulb

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LED upgrade side marker light buick grand national

buick grand national rear side marker light

you can see how much brighter these LED’s are – even during the day!

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