CB squealing on xmit 2019 Limited
CB squealing on xmit 2019 Limited
I installed the CB and had the head unit flashed.
Whenever I press the ptt the other cb'ers report a loud squealing and no speech.
Checked my SWR with an ant analyzer and it was under 2:1.
Put snap-on ferrite cores on as many wires as I could inside the fairing including several on the coax.
Have not tried bonding the frame for better grounds.
Tried a different antenna.
I know what common mode current is but don't see how it's getting into the radio.
Has anyone here fought this issue on a Harley CB?
73s de N5GAN
Whenever I press the ptt the other cb'ers report a loud squealing and no speech.
Checked my SWR with an ant analyzer and it was under 2:1.
Put snap-on ferrite cores on as many wires as I could inside the fairing including several on the coax.
Have not tried bonding the frame for better grounds.
Tried a different antenna.
I know what common mode current is but don't see how it's getting into the radio.
Has anyone here fought this issue on a Harley CB?
73s de N5GAN
Stellar HDF Member
Joined: Jun 2017
Posts: 2,326
Likes: 1,159
From: Oklahoma
What antenna are you using?
Can you hear other's talking?
When I added the CB, I tried a hidden antenna and had no luck with it. I could communicate with a riding buddy better by yelling.... I got a standard factory whip and put it on the light bar mount on the tour pack (like a factory set up) and right away get about a mile or so transmit and receive with the same buddy, which works for me. I have since added another mount I screw the same antenna on when the tour pack is not on the bike (mounted down low below my "slot lights" in between the saddlebag and rear fender) and it seems to work just the same there.
Best if you got a neighbor to test with, because you're not going to have range for several miles...
Can you hear other's talking?
When I added the CB, I tried a hidden antenna and had no luck with it. I could communicate with a riding buddy better by yelling.... I got a standard factory whip and put it on the light bar mount on the tour pack (like a factory set up) and right away get about a mile or so transmit and receive with the same buddy, which works for me. I have since added another mount I screw the same antenna on when the tour pack is not on the bike (mounted down low below my "slot lights" in between the saddlebag and rear fender) and it seems to work just the same there.
Best if you got a neighbor to test with, because you're not going to have range for several miles...
Stellar HDF Member
Joined: Dec 2020
Posts: 2,638
Likes: 11,346
From: Colorado Rockies
Two things I can think of: When they flashed the unit was it set to AM and have you tried rerouting the coax? At what point did you check the SWR? At the antenna or from the coax at the CB module?
73 and good luck.
73 and good luck.
Antennas are the stock short and stock long ones.
Follow up...
All is working fine.
Ferrite chokes on as many wires in fairing and trunk as practical. Bonded trunk mount to frame and mid frame to main frame.
1.7:1 swr, 3.80 watts output.
Skip rolling in with squelch at midrange, short HD antenna.
Greg N5GAN
All is working fine.
Ferrite chokes on as many wires in fairing and trunk as practical. Bonded trunk mount to frame and mid frame to main frame.
1.7:1 swr, 3.80 watts output.
Skip rolling in with squelch at midrange, short HD antenna.
Greg N5GAN
Trending Topics
Stellar HDF Member
Joined: Dec 2020
Posts: 2,638
Likes: 11,346
From: Colorado Rockies
That's great. I haven't been real satisfied with mine and may look at putting in chokes and ground straps. I'm too spoiled with 2M/440 radios.
HD Forum Stories
The Best of Harley-Davidson for Lifelong Riders
7 Surprising Harley-Davidson Products that Are Not Motorcycles
Verdad Gallardo
8 Best Harley-Davidson Motorcycles Ever
Pouria Savadkouei
10 Worst Harley-Davidson Motorcycles Ever
Pouria Savadkouei
Killer Custom's Jail Break Is The Breakout That Refused to Blend In
Verdad Gallardo
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Verdad Gallardo
Harley-Davidson Reveals Super Cool Cafe Racer Concept
Verdad Gallardo
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Verdad Gallardo
10 Motorcycles You Should Never Buy
Joe Kucinski
10 Things Harley-Davidson Needs to Fix in 2026
Verdad Gallardo
Thread
Thread Starter
Forum
Replies
Last Post