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Replace/bypass Infinity sound system

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Old Mar 31, 2026 | 12:18 AM
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Default Replace/bypass Infinity sound system

I have a 2007 Dodge Ram 1500 with the Infinity sound system. Previous owner installed a cheap aftermarket radio and it sounds horrible. Previous install used a plug and play wire harness that retained the factory amp. I want to replace the radio with a better unit, bypass the factory amp, and retain steering wheel controls. Is there a aftermarket plug and play harness that will accomplish this? Do I need to buy a amp bypass harness and SWC kit separately to do this? The less cutting/splicing I have to do, the better. Surely someone here has done this before. Thanks!
 
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Old Mar 31, 2026 | 07:32 AM
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Check on Crutchfiled, If anyone has what you are looking for, they will.
 
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Old Mar 31, 2026 | 09:01 PM
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Originally Posted by HeyYou
Check on Crutchfiled, If anyone has what you are looking for, they will.
I contacted Crutchfield and that said they didn't have anything that would bypass the amp. According to the Metra website, 70-6514 will bypass the amp, although some other sites selling it does not list my year. I don't know if I get the bypass harness, if I could get a plug and play harness for a truck without the Infinity sound and use it or if the plugs on the Infinity radio are different

 
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Old Apr 1, 2026 | 07:41 AM
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I would expect the infinity system is different. Have to power those amps somehow..... Why are you bypassing the amps in any event? You new head unit put out adequate power?
 
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Old Apr 1, 2026 | 07:47 AM
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I've never heard of anyone bypassing the infinity without running all new wires to all speakers, just something with how they are made
 
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Old Apr 1, 2026 | 09:28 AM
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You will have to run all new wire. The Infinity system is a tuned system from the amp down to the speakers. Have to bypass ALL of it to upgrade, unless you find a lockpick adapter and use a newer MyGig head unit.
 
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Old Apr 2, 2026 | 12:53 PM
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When my father replaced the speakers many moons ago in the doors on his 02 1500 with the infinity system, I recall he had to cut the connectors off and splice them into the replacement speakers' wiring.
 
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