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      02-27-2020, 05:28 PM   #8
IK6SPEED
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Drives: BMW M3 / AH3
Join Date: Jan 2013
Location: Cali

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Quote:
Originally Posted by joemech View Post
Quote:
Originally Posted by Billfitz View Post
Drill a hole in your fender, attach the wire to your HU. The bigger question is: Why?

I got bronze metal rear window tint and lost am reception. Most likely will be going on the rear fender.
AM needs a ground plate for reception which is why these were mounted on a metal part. Mounting on a plastic bumper isn't going to do much for you.

Also, car radios years ago needed a resistor tuned for antenna coax length. Haven't seen it mentioned for decades ( as after market installs as less common) so perhaps these are automatically trimmed now