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<blockquote data-quote="mjcbento" data-source="post: 8602230" data-attributes="member: 673848">Hi,My car has a 8 speaker JBL system from factory with a 300w amp that connects to&nbsp; 4 woofers and 4 tweeters. I wanted to improve the bass since i didnt have a sub woofer, so i bought one Pioneer GM-A3602 amp and one Pioneer TS-W304R subwoofer. Since i needed to maintain the factory headunit , i connected RCA&#039;s to the back woofers signals from the headunit and a converter wasn&#039;t necessary because my headunit sends low signals. I connected the AMP remote turn-on signal to the one from the factory AMP and works perfectly except when i start the engine....the amp pops... then it works perfectly with excelent quality, it doesnt pop when i turn off the engine and in any other ocasion, only when i turn the key to start the engine. If i disconnect the RCA&#039;s it doesnt pop. I have power wires and RCA&#039;s in the same side of the car but they are well insulated.What am i missing?</blockquote>

[QUOTE="mjcbento, post: 8602230, member: 673848"] Hi, My car has a 8 speaker JBL system from factory with a 300w amp that connects to 4 woofers and 4 tweeters. I wanted to improve the bass since i didnt have a sub woofer, so i bought one Pioneer GM-A3602 amp and one Pioneer TS-W304R subwoofer. Since i needed to maintain the factory headunit , i connected RCA's to the back woofers signals from the headunit and a converter wasn't necessary because my headunit sends low signals. I connected the AMP remote turn-on signal to the one from the factory AMP and works perfectly except when i start the engine....the amp pops... then it works perfectly with excelent quality, it doesnt pop when i turn off the engine and in any other ocasion, only when i turn the key to start the engine. If i disconnect the RCA's it doesnt pop. I have power wires and RCA's in the same side of the car but they are well insulated. What am i missing? [/QUOTE]

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