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Quote:

Originally Posted by rbeaslin

There is a GM Bulletin (#06-08-44-015A: Information on Eliminating Noise in Audio System When Using Portable Playback Device - (Feb 1, 2008)) regarding 12-volt issues that can be resolved via a Ground Loop Isolator from Radio Shack. I had my tech work down this path, but so far, it hasn't fixed the problem.

Bothers me greatly that GM seems to be aware of this problem and can't find a better fix that Radio Shack parts. Bigger problem is that the bulletin doesnt even show or describe how to install this to make the Isolator work! Had our GM Accessories folks even check on this but they only refered my parts manager to PartTech. Shame on GM for this.

I think there is a misreading of the TSB.

The TSB number, #06-08-44-015A, indicates that it was first issued in 2006, before the introduction of the PAL system. PAL is not mentioned and it includes vehicles that PAL has not been released for.

Quote:

Some portable audio equipment may be susceptible to certain types of electronic noise present in the vehicle's 12V power outlet.

Quote:

Other similar products are available through other electronics or car stereo retailers defined as Ground Loop Isolators.

Quote:

This device should be installed between the audio player and the AUX input of the vehicle radio.

This is not an uncommon problem with audio systems of all types and possible unclean power sources. Read some of the 47 customer feedback comments on the part at the Radio Shack site:
RadioShack.com - Car: Accessories: Car A/V accessories: Ground Loop Isolator

Quote:

#06-08-44-015A: Information on Eliminating Noise in Audio System When Using Portable Playback Device - (Feb 1, 2008)

Models: 2008 and Prior GM Passenger Cars and Trucks (Including Saturn)
2008 and Prior HUMMER H2, H3
2005-2008 Saab 9-7X

--------------------------------------------------------------------------------
This bulletin is being revised to add model years. Please discard Corporate Bulletin Number 06-08-44-015 (Section 08 -- Body and Accessories).
--------------------------------------------------------------------------------

Some portable audio equipment may be susceptible to certain types of electronic noise present in the vehicle's 12V power outlet.

Here are two ways to eliminate this type of interference:

• If the audio device is capable of being self-powered (battery), use it that way instead of plugging it into the vehicle's power outlet.

• Have the customer purchase a Ground Loop Isolator, such as *Radio Shack Catalog #270-054. This device plugs in between the radio and the customer's audio device. It is packed with one included Y-Adapter. If purchasing the *Radio Shack product, you will require an additional Y-Adapter (Catalog #274-369). This device should be installed between the audio player and the AUX input of the vehicle radio. These catalog numbers are stocked nationally at *Radio Shack Retail Stores in the U.S. and are currently available. Other similar products are available through other electronics or car stereo retailers defined as Ground Loop Isolators.

Parts Information
Parts are currently available nationally in the U.S. through *Radio Shack retail locations or through the mail at Radio Shack direct ordering 1-800-843-7422. In Canada, parts are available nationally through *The Source By Circuit City retail locations or at The Source By Circuit City / La Source Par Circuit City.

Part Number-Description-Qty

270-054-Ground Loop Isolator-1

274-369 (U.S.)-2740883 (Canada)-Y-Adapter-1

*We believe these sources and their products to be reliable. There may be additional manufacturers of such products/materials. General Motors does not endorse, indicate any preference for or assume any responsibility for the products or material from these firms or for any such items that may be available from other sources.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.

__________________
INFORMATION POSTED ON SITE
Any GM Solstice Service Manual and Service Bulletin information found here on site, or Sales and Product information should be thought of as correct and accurate as of the date posted. After that any information or procedure should be confirmed as still correct with your dealership.

Last edited by Small Dealer : 07-25-2008 at 10:04 AM.

	Small Dealer Senior Member Join Date: Mar 2005 Location: Under an invisibility cloak, somewhere in the Northeast	Quote: Originally Posted by rbeaslin There is a GM Bulletin (#06-08-44-015A: Information on Eliminating Noise in Audio System When Using Portable Playback Device - (Feb 1, 2008)) regarding 12-volt issues that can be resolved via a Ground Loop Isolator from Radio Shack. I had my tech work down this path, but so far, it hasn't fixed the problem. Bothers me greatly that GM seems to be aware of this problem and can't find a better fix that Radio Shack parts. Bigger problem is that the bulletin doesnt even show or describe how to install this to make the Isolator work! Had our GM Accessories folks even check on this but they only refered my parts manager to PartTech. Shame on GM for this. I think there is a misreading of the TSB. The TSB number, #06-08-44-015A, indicates that it was first issued in 2006, before the introduction of the PAL system. PAL is not mentioned and it includes vehicles that PAL has not been released for. Quote: Some portable audio equipment may be susceptible to certain types of electronic noise present in the vehicle's 12V power outlet. Quote: Other similar products are available through other electronics or car stereo retailers defined as Ground Loop Isolators. Quote: This device should be installed between the audio player and the AUX input of the vehicle radio. This is not an uncommon problem with audio systems of all types and possible unclean power sources. Read some of the 47 customer feedback comments on the part at the Radio Shack site: RadioShack.com - Car: Accessories: Car A/V accessories: Ground Loop Isolator Quote: #06-08-44-015A: Information on Eliminating Noise in Audio System When Using Portable Playback Device - (Feb 1, 2008) Models: 2008 and Prior GM Passenger Cars and Trucks (Including Saturn) 2008 and Prior HUMMER H2, H3 2005-2008 Saab 9-7X -------------------------------------------------------------------------------- This bulletin is being revised to add model years. Please discard Corporate Bulletin Number 06-08-44-015 (Section 08 -- Body and Accessories). -------------------------------------------------------------------------------- Some portable audio equipment may be susceptible to certain types of electronic noise present in the vehicle's 12V power outlet. Here are two ways to eliminate this type of interference: • If the audio device is capable of being self-powered (battery), use it that way instead of plugging it into the vehicle's power outlet. • Have the customer purchase a Ground Loop Isolator, such as Radio Shack Catalog #270-054. This device plugs in between the radio and the customer's audio device. It is packed with one included Y-Adapter. If purchasing the Radio Shack product, you will require an additional Y-Adapter (Catalog #274-369). This device should be installed between the audio player and the AUX input of the vehicle radio. These catalog numbers are stocked nationally at Radio Shack Retail Stores in the U.S. and are currently available. Other similar products are available through other electronics or car stereo retailers defined as Ground Loop Isolators. Parts Information* Parts are currently available nationally in the U.S. through Radio Shack retail locations or through the mail at Radio Shack direct ordering 1-800-843-7422. In Canada, parts are available nationally through The Source By Circuit City retail locations or at The Source By Circuit City / La Source Par Circuit City. Part Number-Description-Qty 270-054-Ground Loop Isolator-1 274-369 (U.S.)-2740883 (Canada)-Y-Adapter-1 We believe these sources and their products to be reliable. There may be additional manufacturers of such products/materials. General Motors does not endorse, indicate any preference for or assume any responsibility for the products or material from these firms or for any such items that may be available from other sources. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition.* See your GM dealer for information on whether your vehicle may benefit from the information. __________________ INFORMATION POSTED ON SITE Any GM Solstice Service Manual and Service Bulletin information found here on site, or Sales and Product information should be thought of as correct and accurate as of the date posted. After that any information or procedure should be confirmed as still correct with your dealership. Last edited by Small Dealer : 07-25-2008 at 10:04 AM.