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hmm, not sure why they would tell you to put a common mode filter after a bunch of unfiltered coax shield. kind of defeats the purpose.

if you have six beads at the feedpoint that should be enough, but if it's not, the best solution is to keep adding the snap on beads down the coax from the feedpoint.

i typically use about 18" worth on mine. seems to work well and i haven't had any vehicle computer issues in my last four vehicles. Just my experience.

wrapping the coax around a big ferrite donut is certainly not going to hurt, and will help to some degree, but if you are adding extra UHF connectors in to your install in order to add that torroid, then you'd be better off just using the snap on beads and having one continuous run of coax from the antenna to the amplifier/transmitter.

your install seems pretty extensive so please take whatever i say with a grain of salt, as the differences may or may not be noticeable and the hassle of removing headliners is always to be considered LOL.

LC

<blockquote data-quote="loosecannon" data-source="post: 787407" data-attributes="member: 1368">hmm, not sure why they would tell you to put a common mode filter after a bunch of unfiltered coax shield.&nbsp; kind of defeats the purpose.if you have six beads at the feedpoint that should be enough, but if it&#039;s not, the best solution is to keep adding the snap on beads down the coax from the feedpoint.i typically use about 18&quot; worth on mine.&nbsp; seems to work well and i haven&#039;t had any vehicle computer issues in my last four vehicles.&nbsp; Just my experience.wrapping the coax around a big ferrite donut is certainly not going to hurt, and will help to some degree, but if you are adding extra UHF connectors in to your install in order to add that torroid, then you&#039;d be better off just using the snap on beads and having one continuous run of coax from the antenna to the amplifier/transmitter.your install seems pretty extensive so please take whatever i say with a grain of salt, as the differences may or may not be noticeable and the hassle of removing headliners is always to be considered LOL.LC</blockquote>

[QUOTE="loosecannon, post: 787407, member: 1368"] hmm, not sure why they would tell you to put a common mode filter after a bunch of unfiltered coax shield. kind of defeats the purpose. if you have six beads at the feedpoint that should be enough, but if it's not, the best solution is to keep adding the snap on beads down the coax from the feedpoint. i typically use about 18" worth on mine. seems to work well and i haven't had any vehicle computer issues in my last four vehicles. Just my experience. wrapping the coax around a big ferrite donut is certainly not going to hurt, and will help to some degree, but if you are adding extra UHF connectors in to your install in order to add that torroid, then you'd be better off just using the snap on beads and having one continuous run of coax from the antenna to the amplifier/transmitter. your install seems pretty extensive so please take whatever i say with a grain of salt, as the differences may or may not be noticeable and the hassle of removing headliners is always to be considered LOL. LC [/QUOTE]

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