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Old Apr 15, 2026 | 09:26 PM
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Default 2021 CVO

Upgraded my 2021 CVO road glide system with all new Cicada 6.5, 6x9, and Cicada amp. Bought the AHB Bypass harness for the left saddlebag to remove stock amp. Also a new T harness for the front. I’m getting sound out of the front speakers but nothing for the rear. Do I need to run new speaker wires to the 6x9s in the saddlebag?
Here’s a picture of the T harness.
 
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Old Apr 16, 2026 | 02:02 AM
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Is the amp set in 4channel input? Fade on the head unit at neutral?
 
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Old Apr 16, 2026 | 02:52 AM
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Originally Posted by travelingypsye
Is the amp set in 4channel input? Fade on the head unit at neutral?
amp is in 4 channel input and fade is at neutral.
 
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Old Apr 16, 2026 | 05:39 AM
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without seeing the AHB harness, i dont know how the rear speakers are wired. Do the rear speakers hook up to that harness? Does that harness hook up to the harness that the original amp hooked up to? Just trying to figure out what is supposed to run the rear speakers.
 
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Old Apr 16, 2026 | 07:35 AM
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Originally Posted by SS FLHX
Upgraded my 2021 CVO road glide system with all new Cicada 6.5, 6x9, and Cicada amp. Bought the AHB Bypass harness for the left saddlebag to remove stock amp. Also a new T harness for the front. I’m getting sound out of the front speakers but nothing for the rear. Do I need to run new speaker wires to the 6x9s in the saddlebag?
Here’s a picture of the T harness.

The CVO audio wiring only uses the front output from the infotainment system to supply audio to the system. The fader is controlled by the canbus system when more than 1 amp is present in the factory boom system.
I ran into the same issue a couple of years ago on a CVO upgrade.

You can check for yourself at the output plug of the infotainment system by pinning out the stock wiring plug.

You will need to run new heavier guage speaker wires to the saddlebags which is recommended when upgrading the amp

2021 CVO-1776342910672.jpg
 

Last edited by Babyboy; Apr 16, 2026 at 07:40 AM.
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Old Apr 16, 2026 | 07:48 AM
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Originally Posted by Babyboy
The CVO audio wiring only uses the front output from the infotainment system to supply audio to the system. The fader is controlled by the canbus system when more than 1 amp is present in the factory boom system.
I ran into the same issue a couple of years ago on a CVO upgrade.

You can check for yourself at the output plug of the infotainment system by pinning out the stock wiring plug.

You will need to run new heavier guage speaker wires to the saddlebags which is recommended when upgrading the amp

Attachment 631196
Thanks Rob. I wondered if that was the case. Only CVO i have delt with is a tri glide and it only had one amp.
 
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