Ignition conversion question, retro-style

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I searched this a bit and found nothing, but I'm sure I saw it somewhere on this site, but then again, maybe not.

On the early D-Jet V8s that have electronic ignition controlled by points, do the points do anything more than trigger the transistor ignition box? Are they tied in with the function of the FI computer? I know there are trigger points for the FI in the distributor, down in the guts of the distributor below the breaker plate. But do the ignition points or transistor box send any critical signals to the FI computer?

Reason for the question is...if the ignition box fails you are usually screwed until you get a new one. I'm wondering, can the system be re-wired to operate like the old style breaker ignition systems? Seems like this should be fairly simple, unless there is some not so obvious linkage between the electronic ignition box wiring and the FI computer. If a person had an SL or other model that is seldom used (I have) it seems a lot cheaper to replace a $5 point set every year or two rather than to be stranded on the road by a $400 ignition box. One tow truck bill will pay for a lot of point sets, not to mention the cost of the ignition box.

Just a thought...any advice would be greatly appreciated.

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