VSS Questions

[Mike Rolica]

What is the motor going in??  I used the vss of s10's or carbed camaro's. it
is a optical sensor that sits in behind the speedo.  Three wires come off of
it and go to a yellow box.  The yellow box has 3 wires one ground one power
and one signal..

Another thing you can do is use a vss used on most amc's with cruise.  It
sits between the speedo cable and trans..

		-----Original Message-----
		From:	John D. Bachman [SMTP:jdbachman at redrose.net]
		Sent:	Wednesday, May 31, 2000 7:27 AM
		To:	gmecm at diy-efi.org; diy_efi at diy-efi.org
		Subject:	RE: VSS Questions

		"John D. Bachman" wrote:

		> Hi.
		> Trying to sort out the VSS in a transplanted '87 350 TPI
700R4 (from a

		> Trans Am/GTA). A while back, I bookmarked something from
the old
		archives
		> titled: GM 4 out buffer. Now I can't seem to retrieve the
info, just
		> when I need it the most...
		> Can anyone provide the pinout for the 4 out buffer (yellow
box) from
		the
		>
		> T/A? Or for the proprietary GM IC inside the box?
		> Very much appreciated--JB

		OK, so I downloaded the archives, brought them up in Word,
did a *find*
		for buffer and got an answer, from May 1999.
		Problem is, the IC on the *4 out buffer* from this GTA is a
Motorola
		6758E, not 6962H like the post from the archives describes
(from an '89
		Caprice).
		Can't find anything about the Motorola chip in my books, on
the 'net or
		anywhere else.
		Does anyone have any information about this IC, or a wiring
diagram
		showing this 4 out buffer?
		Thank you --JB




	
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