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2004 Chevrolet TrailBlazer
Problem for Chevrolet 2004 TrailBlazer

Changing front headlight bulb, directions?




By mariamichene on Nov 01, 2009

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changing front headlight bulb, directions?

Best Solution

posted on Nov 02, 2009
Very Helpful)

super_guy

Rank: Guru  Chevrolet Cars  Expert
Rating: 97%, 7868 votes
1. Drivers Side. This is the easiest to get to. After opening the hood, right behind the lamp housing there are (2) rubber caps. The outside cap contains the low beam/day running bulb and the inside cap contains the high beam bulb.
a. Both bulbs are replaced the same way. Remove the rubber cap, these caps are soft and pliable but when you grab the edges to pull them off, they feel rigid. This is because the rubber cap is pressed over a hard plastic flange so when you squeeze and pull, it can be difficult to remove. If you can’t get a good grip to pull them off -
b. (Tip) There (2) clips on the headlamp housing, one is in plan view to the left and the other is under the fender just to the right top of the housing. It’s a little difficult to get to and you may need a flat head screwdriver to pry it up. Pull up on these clips and they will release the housing, but you cannot remove it. This will allow you to pull the housing out a few inches and you can see the edges of the rubber caps.
c. Using a flat head screwdriver, just gently pry the cap, once it starts coming off you can remove it with your hand. Reach in and grab the bulb assembly and turn it about ¼ corner turn “counter” clockwise and it will come out.
d. Remove the power wire harness that is clipped on.
e. Snap the new bulb into the power wire harness (DO NOT TOUCH) the new bulb with your bare hand!
f. Gently place it the bulb assembly back in the housing, turn ¼ turn clockwise, it will snap into place, replace the rubber cap, push the housing back into place and press the housing clips back down.
g. NOTE: Always put the rubber cap back on, it helps to keep moisture out of the housing.


2. Passenger Side. This is the hardest to get to. Remove the air cleaner cover and filter or you won’t be able to reach the back side of the housing. The instruction on how to remove these items should be in your owners manual.
After opening the hood, right behind the lamp housing there are (2) rubber caps. The outside cap contains the low beam/day running bulb and the inside cap contains the high beam bulb.
a. Both bulbs are replaced the same way. Remove the rubber cap, these caps are soft and pliable but when you grab the edges to pull them off, they feel rigid. This is because the rubber cap is pressed over a hard plastic flange so when you squeeze and pull, it can be difficult to remove. If you can’t get a good grip to pull them off -
b. (Tip) There (2) clips on the headlamp housing, one is in plan view to the right and the other is under the fender just to the left top of the housing. It’s a little difficult to get toand you may need a flat head screwdriver to pry it up. Pull up on these clips and they will release the housing, but you cannot remove it. This will allow you to pull the housing out a few inches and you can see the edges of the rubber caps.
c. Using a flat head screwdriver, just gently pry the cap, once it starts coming off you can remove it with your hand. Reach in and grab the bulb assembly and turn it about ¼ corner turn “counter” clockwise and it will come out.
d. Remove the power wire harness that is clipped on.
e. Snap the new bulb into the power wire harness (DO NOT TOUCH) the new bulb with your bare hand!
f. Gently place it the bulb assembly back in the housing, turn ¼ turn clockwise, it will snap into place, replace the rubber cap, push the housing back into place and press the housing clips back down.
g. NOTE: Always put the rubber cap back on, it helps to keep moisture out of the housing
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