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

[Steve Ravet]

> -----Original Message-----
> From: gmecm-bounces at diy-efi.org 
> [mailto:gmecm-bounces at diy-efi.org] On Behalf Of Aphelion79
> Sent: Sunday, August 13, 2006 10:04 AM
> To: gmecm at diy-efi.org
> Subject: [Gmecm] Check Engine Light Wiring / Oil Pressure 
> Sensor Wiring,'88 S-10
> 
> 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! 

You should have the service manual for the S-10, it'll make life much
simpler.

If you go to the gmecm twiki, click ECM info, then click 1227747 you'll
some links to scanned service manual pages.  Page 4 has the check engine
light on it.  One side of the light goes to fused +12, the other side of
the light to the ECM.   I think some applications have this reversed,
however, with the light wired to ground and the ECM providing power.
Best to check specifically how the S-10 was wired.

--steve

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