[Diy_efi] Re: GM Optical VSS

[Dan Griffin]

From: "W.J. Wilson" <wwilson at otvcablelan.net>
>Reply-To: Diy_efi at diy-efi.org
>To: <diy_efi at diy-efi.org>
>Subject: [Diy_efi] Re: GM Optical VSS
>Date: Wed, 29 May 2002 21:49:10 -0700
>
>I am hooking a Optical VSS in an 87 S10. The Drk/Brown wire which goes into 
>the DRAC is the ECM VSS input (A10).  The second wire is pink/blk stripe 
>which i believe is part of the fuel pump circuit. Is the pink/blk stripe 
>wire ignition switch 12 volts. The third wire going into the DRAC is 
>black/wht stripe is this a ground wire?
>
>drk/brown = ECM input (A10)?
>pink/blk   = Switch +12V?
>black/wht = Ground?
>
>

thats the way mine is, although im using a 1227747 ecm, pin a6 = ign. ecm 
fuse pnk/blk,

pin a10 vss brn,

not sure if the ground your referring to goes to pin a12 or d1 though, there 
both blk/wht...


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