hi,
you could possibly  put one in the speedo 0xygen counter box though.
did you see my suggestion to take to VDO or egauge.com  ?

Mark Thoma wrote:
> Hey everyone,
>   I need to know how to get a signal for an electronic SPEEDOMETER from a Hall Effect sender.  I don't see how the signal from a distributor could be used for anything except a tach.
>   Does that little box at the junction of the two part speedomter cable contain a Hall Effect sender??????????????  If so, how do I get a signal from it for the speedo? Which terminals do I use?
>   thanks in advance
>   Mark
>
>
>