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I’m a hvac contractor, they make a no rinse evaporator coil spray. IMO they don’t work that well. The gains won’t be proportional to the amount of mess it’ll make. The also make coil combs but those are for copper aluminum radiators, you’d almost be better off blowing it out with compressed air with a long blowgun attachment or a skinny shop vac brush attachment
If yours has the bose ANC (active noise control) then you can disable it and that will give you some increased output, the ANC function criples the system a bit because it is always creating anti-sound. could also be part of why your bluetooth sounds funky.
www.tahoeyukonforum.com
That’s interesting…I always wondered what that second grill was next to the mic and the one on the passenger side. My android head unit has an option to disable it in the settings, I’ve never noticed any difference with it on or off. This single threads literally hit on nearly every thread category in the 2007-2014 section of the forumIf yours has the bose ANC (active noise control) then you can disable it and that will give you some increased output, the ANC function criples the system a bit because it is always creating anti-sound. could also be part of why your bluetooth sounds funky.
you will know if you have ANC or not by simply looking up from the drivers seat, in the headliner there will be 2 little speaker looking grills and 1 on the passenger side. non anc will only have 1 grill above the drivers head (environmental sensor)
I just cut the wires on mine because it was the easiest way to do it without messing with the headliner. easily reversible if need be down the road
Disable Bose active noise cancellation nnbs 07-14 yukon escalade denali tahoe suburban
since there is very little to no information on this on the interwebz these are the wires to cut to disable the bose active noise cancellation (anc) on the bose premium if you add a powered subwoofer and get feedback (hum), after I cut these I no longer get any feedback and all 10 speakers are...
I will take a look at this - I actually have 5 of these grills in the truck - 2 at driver (assuming one is the mic or environment?), 1 at passenger, 1 at 2nd row, 1 at 3rd row.If yours has the bose ANC (active noise control) then you can disable it and that will give you some increased output, the ANC function criples the system a bit because it is always creating anti-sound. could also be part of why your bluetooth sounds funky.
you will know if you have ANC or not by simply looking up from the drivers seat, in the headliner there will be 2 little speaker looking grills and 1 on the passenger side. non anc will only have 1 grill above the drivers head (environmental sensor)
I just cut the wires on mine because it was the easiest way to do it without messing with the headliner. easily reversible if need be down the road
Disable Bose active noise cancellation nnbs 07-14 yukon escalade denali tahoe suburban
since there is very little to no information on this on the interwebz these are the wires to cut to disable the bose active noise cancellation (anc) on the bose premium if you add a powered subwoofer and get feedback (hum), after I cut these I no longer get any feedback and all 10 speakers are...
there are 2 mic's in the headliner 1 drivers side 1 passenger side, not sure where the 3rd mic is (likley somewhere in the dash), the rest are environmental sensors for the hvac even that one in your 3rd row drivers side? (long story) but I had some hvac issue's before and my ac control was looking for that ghost 3rd enviro sensor because mine doesn't have the 3rd sensor
I wonder if your android is really disabling it or not, the bose system is digital. even with the maestro rr messing with it is tricky.
Are all of these mics ANC? Where is the mic that pics up your voice if you are on a bluetooth call?
bt/onstar mic is in the forward center overhead console where the hatch switch/garage door switch and dome lights are, you will see a small 8-slot spot with a hole in it,, the left one is where the bt mic is
