I started a thread a while back asking if anyone had had any luck finding replacement bulbs (PS24W) for the fog lights on the 07 GMT900 Sierra.
I had been to every parts store and website I could find and that number doesn't cross reference to any other bulb. Screw GM for making it so damn difficult to upgrade. Tonight, I took matters into my own hands.
First, I went to the local parts store and picked up the following:
(2) 9005XS SilverStar headlight bulbs
(2) 9005 bulb wiring harnesses
(1) roll of electrical tape
You'll also want a rotary tool handy for modifying the new bulbs to fit.
This is what the stock housing looks like out of the truck and next to it is the shitty little bulb that GM decided to use.
Next I began to shape the 9005 bulbs with my Dremel until reaching about the shape of the bulb on the right. I bought a really cheap bulb first to test my idea before dropping the larger coin on the SS's. You'll want to only remove enough material to allow the bulb to fit in VERY VERY snugly to the housing. Fortunately you only need to make it round, no special indentations or cuts to worry about. If you'll notice in the picture above, the o-ring on the new bulbs is exactly the same size as the o-ring on the original bulb so the seal will be the same when the install is complete.
Once the appropriate size was reached I placed the bulb into the housing and then secured it with a small piece of wire to ensure that it can't back out of the housing even if the snug fit was not enough to hold it in place. You'll definitely want to secure it with something. The wire works great but you could use electrical tape as well.
Once the bulb was in the housing it was time to mount the bad boys up and hook up the new harness. Simple two wire swap here. Cut the two wires going to the old harness and then join them with the new harness for the 9005 bulbs.
It's that simple.
Now for the results!
Here's a shot with the new on the passenger's side and the old on the driver's just for comparison. Notice the difference on the gravel in front of the truck.
Now for the rest.
It looks absolutely amazing, especially when compared to the old ones. My low beams are PIAA Extreme Whites so this should give you some idea as to how bright and clean this makes the fog lights now.
Enjoy. If you have any questions, let me know.
I had been to every parts store and website I could find and that number doesn't cross reference to any other bulb. Screw GM for making it so damn difficult to upgrade. Tonight, I took matters into my own hands.
First, I went to the local parts store and picked up the following:
(2) 9005XS SilverStar headlight bulbs
(2) 9005 bulb wiring harnesses
(1) roll of electrical tape
You'll also want a rotary tool handy for modifying the new bulbs to fit.
This is what the stock housing looks like out of the truck and next to it is the shitty little bulb that GM decided to use.
Next I began to shape the 9005 bulbs with my Dremel until reaching about the shape of the bulb on the right. I bought a really cheap bulb first to test my idea before dropping the larger coin on the SS's. You'll want to only remove enough material to allow the bulb to fit in VERY VERY snugly to the housing. Fortunately you only need to make it round, no special indentations or cuts to worry about. If you'll notice in the picture above, the o-ring on the new bulbs is exactly the same size as the o-ring on the original bulb so the seal will be the same when the install is complete.
Once the appropriate size was reached I placed the bulb into the housing and then secured it with a small piece of wire to ensure that it can't back out of the housing even if the snug fit was not enough to hold it in place. You'll definitely want to secure it with something. The wire works great but you could use electrical tape as well.
Once the bulb was in the housing it was time to mount the bad boys up and hook up the new harness. Simple two wire swap here. Cut the two wires going to the old harness and then join them with the new harness for the 9005 bulbs.
It's that simple.
Now for the results!
Here's a shot with the new on the passenger's side and the old on the driver's just for comparison. Notice the difference on the gravel in front of the truck.
Now for the rest.
It looks absolutely amazing, especially when compared to the old ones. My low beams are PIAA Extreme Whites so this should give you some idea as to how bright and clean this makes the fog lights now.
Enjoy. If you have any questions, let me know.
