where does the blue wire in the aftermarket antenna adapter hook up to

so i just installed a aftermarket carplay sterio,

2 things currently dont work

the steering controls which i dont care about thanks to the HEY SIRI capability

and the AM/FM channels

i think the reason for the AM/FM issue is that i wired the blue wire on the after market antenna hookup incorrectly

this is the one i bought https://www.amazon.com/dp/ (commissions earned)

does anyone know where the blue wire is supposed to be hooked up to (i wired it manually wire to wire using a wiring diagram)

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From someone one Mazda 6:

The mysterious blue wire should go to a 12-volt source that is only active in the accessory or run key positions.
It supplies power to the RF amp module for the antenna wires, I just wired it to the red ignition wire behind the radio.

Not sure same one the 5.
 
From someone one Mazda 6:

The mysterious blue wire should go to a 12-volt source that is only active in the accessory or run key positions.
It supplies power to the RF amp module for the antenna wires, I just wired it to the red ignition wire behind the radio.

Not sure same one the 5.


thanks , that makes sense
 
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