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<blockquote data-quote="oghillside" data-source="post: 1852357" data-attributes="member: 568428">Long story short.//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gifI bought my hummer with 1000 miles on it from a friend. He took it to a shop and had subs and an amp installed with an underdash 1/2 din EQ.I wanted some more rear fill so I built a box for (8) Boston 6x9&#039;s and added a 4 channel Punch amp. I ran a set of RCA&#039;s from the EQ to my amp mounting position under the rear seat. I went to play them and all I was getting was low frequency.I went to tracing down the issue following the rca&#039;s and found a hi/lo converter in the back of the center console connected to the harness on the Bose amp. I plugged my amp directly into the converter and all I got was low freq. I then procedded to put the converter on every set of wires on the harness. I found a hi freq signal but still know signal I felt was full freq.The truck is a lease so I want to keep the stock speakers and bose amp intact. I know peripheral GMAH24B is the kit they make to do it for $140. Does anyone have any conections on getting this cheaper or any other way of doing it???By the way How do I get rid of this ****ed engine whine:crazy: //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif Do I run a ground all the way to the battery???OG</blockquote>

[QUOTE="oghillside, post: 1852357, member: 568428"] Long story short.[IMG]//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif[/IMG] I bought my hummer with 1000 miles on it from a friend. He took it to a shop and had subs and an amp installed with an underdash 1/2 din EQ. I wanted some more rear fill so I built a box for (8) Boston 6x9's and added a 4 channel Punch amp. I ran a set of RCA's from the EQ to my amp mounting position under the rear seat. I went to play them and all I was getting was low frequency. I went to tracing down the issue following the rca's and found a hi/lo converter in the back of the center console connected to the harness on the Bose amp. I plugged my amp directly into the converter and all I got was low freq. I then procedded to put the converter on every set of wires on the harness. I found a hi freq signal but still know signal I felt was full freq. The truck is a lease so I want to keep the stock speakers and bose amp intact. I know peripheral GMAH24B is the kit they make to do it for $140. Does anyone have any conections on getting this cheaper or any other way of doing it??? By the way How do I get rid of this ****ed engine whine:crazy: [IMG]//content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif[/IMG] Do I run a ground all the way to the battery??? OG [/QUOTE]

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