I have a 1989 FLHTC. I got the radio to work but the volume control adjustment that increases volume as you go faster does not work correctly. How do I disable it?


Wb

 

I'm not sure what radio you installed on your bike. However on the HK radio on my Street Glide if you push "in" the volume control it brings up the sounds adjustments like bass, treble, etc. Keep pushing the button in until you get to something like SVT or SVC. I'm not exactly sure what it's called but it's the last option before it cycles back to bass. Once you get to this SVT option just push the same button "down" till it says off. That's pretty much it.

 

Have you checked the white/green (if memory serves) wire connected to the speedo cluster?

 

Its AVC like he said. I turn it off and on all the time. I don't ever like its setting for long. Play with some maybe you can set where you will like it.

 

I set mine up about half way and really enjoy it.

 

If you have a Service Manual check the wiring diagrams in the back for the audio one. It will show a plug going into the radio. It will probably show a wire color, white with green stripe. If you remove this wire (the speed signal wire) you will disable the speed adjustment feature of the radio. The appendix of the service manual should also contain information on the various connectors (such as the radio plug) to tell you how to remove the white/green wire from the plug.

Alternatively, simply cut the white/green wire going into the audio plug at the back of the radio; you can always splice it back together later if you want to try to get the automatic volume control functioning again.

BUT VERIFY ALL OF THE FOREGOING REGARDING THE WHITE/GREEN WIRE BEING THE SPEED SIGNAL WIRE USING YOUR HD SERVICE MANUAL FOR YOUR BIKE. I have an '04 EG and that's what it is on my bike and my buddy's '06 EG. It is probably the same on your bike, but double check to be sure.