Sort of to do with EFI (more electronics)

[A70Duster at aol.com]

In a message dated 97-10-24 05:03:36 EDT, you write:

<< Op-amps.  You can scale and invert, even deal with shifted grounds 
 and stuff like that. >>


But you need to get -12/+12 volts for the inversion, a bit tricky on +12 volt
only system.  (Learded this the hard way).

See ya,

Mike