Different approach to VSS question

[rr]

The actual VSS's vary. Some are a differential AC output, while others
are digital OC outputs. I'd venture a guess that the speedo wants a
digital stream. Whether TTL or otherwise I can not say.

BobR.

TK wrote:

> What are the specifications for the output of a VSS? What does the ECM
> expect to see? 0-12V? A zero crossing? I need to have an ECM 4K output drive
> a Fiero speedo which expects a VSS directly.
>
> Terry
>

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org