Question about 2006 Hummer H3
When water is poured on the passenger side by running light where the electrical wire feed comes through the roof than it leaks. tried the clean out of the sun roof drains but that's not the source of the water leak so i has to be where the electrical wire comes through the roof sheet metal. does any one have a diagram of the running lights for the H3?
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Posted on Jan 02, 2017
SOURCE: Leaky H3
you need to check and see if there is any debris blocking the drain tubes for the sun roof. If not then you need to follow the tubes and look for kinks or other reasons why its not able to drain off quickly.
Posted on Aug 14, 2009
My 06 was leaking during rain also. It turned out to be the sunroof. There are two drain tubes in the front of the sunroof that run the water down the corners to the ground and two drain tubes that drain water out the back corners. The water would seep around the glass, which is expected, but both of the tubes on the front of mine were plugged, and the water would overflow behind the dash and fill my floorboards. If my H3 was leaning to the left during a storm then the drivers side would be full of water. If leaning right, then the passenger side. I had to open sunroof and blow compressed air into the drain holes to clear them, but be careful, too much air will separate tubes from sunroof and then you will have to remove the inside paneling around sunroof to get to tubes and reconnect. You may only have one side plugged. you can test it by opening sunroof and pour a little water in the small catch pan in the front of the sunroof and see if it drains as expected (to the ground under the firewall on left AND right side). You can see the holes in each corner of catch pan to drain the water. Plug one with your finger, then the other to find the plugged side. Good luck!! Hope this helps!!
Posted on Mar 07, 2010
doesn't mean it came loose, it could be plugged. Mine did the same thing. I had to use compressed air into the hole in the catch pan of the sunroof and blow the tubes clean, but then had to remove paneling around sunroof to reconnect tubes after the air separated the tubes from the sunroof. It was no big deal, but took a little time.
Posted on Mar 07, 2010
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