Does the base model 2018 Tradesman radio have a separate amp?

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Dale_K

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2012
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5.7
My 2018 Tradesman has the "radio 3.0" without a touchscreen. It does have Bluetooth. I use it with an add-on Sirius XM tuner connected through the Aux port and this setup has worked just fine for the past 3 years. Lately I've started to lose sound out of the left side speakers after driving a while. Funny, it cuts out in a left hand turn and comes back with a right hand turn.

I've been trying to diagnose the problem and I've tried a different aux cord with no improvement. But now I'm thinking it might not be the aux port - maybe it's the amplifier but I don't even know if my truck has a separate factory amp of if the amp is built in to the radio.

So the question is "do I have a separate amp?" and "where is it?"

I tried unplugging the aux cord from the console when the speakers cut out and then the unit reverts to FM and I do hear sound through the left side speakers. That seems to be pointing a good amp but I'm not sure. I've ordered a new cradle from Sirius with Bluetooth to bypass the aux port.

Any help would be appreciated.
 

Graygoose

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Convert, for now.
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small
Its in the radio. no external amp.
 

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