[Gmecm] Check Engine Light Wiring / Oil Pressure Sensor Wiring, '88 S-10

[Aphelion79]

For those of you new to my endeavor I'm using a TBI system off of an 88 
Chevy S-10 2.5L 151CID Engine... 2WD as well...

Aphelion79 wrote:
> Ok all... back to my Jeep which is now running wonderful thanks to all 
> of you who helped me figure out how to set the timing! =D  The only 
> remaining two "problems" I have... is now I just need to figure out 
> how to wire the Check Engine light... I can't find any wiring 
> schematics that show anything about where it should plug in to!
> Also there are 3 wires coming out of my Oil Pressure sensor... one 
> wire says it goes to "instrument cluster".  I tried that wire and my 
> oil pressure gage shot up to 80 LBS (the upper limit) when I turned 
> the key to "on" it went back to 0 and didn't move after I started 
> it... Should this sender shoot out the same amount of volts as my old 
> oil pressure gage?  Can I use my OLD sender and have no problems?  
> (Looking at the wiring diagram it appears possibly that when there is 
> no oil pressure the fuel pump will not run?)
> Engine Wiring Schematic:
> http://members.cox.net/aphelion79/enginewiring.pdf 
> <http://members.cox.net/aphelion79/enginewiring.pdf>
> If so, would it be safe just to run the gray and orange wires together?
>
> Body Wiring Schematic:
> http://members.cox.net/aphelion79/bodywiring.pdf
>
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