1983 xvz1200 bagger chopper help

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duecerider357
1/25/26, 9:15 AM

1983 yamaha xvz1200 venture.

I have a 1983 xvz1200 that I want to build a bagger chopper out of. Part of this means a radio update. Problem i am having is if the radio is removed the bike can not run. I'm sure it is a theft prevention measure. I am rebuilding all the plastics with aluminum diamond plate, and then a custom sound system installed.

The problem is I need to know what is going on in that radio that causes the bike to not run without it. If anyone knows what and how to bypass it any help would be awesome.

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Erotic Jesus New Member
4/30/26, 5:36 AM

@duecerider357
First thing dude, always get a FSM.
Not a Haynes, or Chilton but an honest to goodnes FSM.
That will have the wiring diagram. Having the diagram is probably the easiest. Otherwise, grab a voltmeter and chase it down.
And question.. I don't know what a "Bagger chopper" is. I'm not trying to be a prick, I've just never heard that before. Are you talking about like a Big Wheel bagger, or something else?

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