Sorry, Eddy, I should have mentioned that earlier.
Its a OBD I 93 Auto 4x4 6G72 3.0L V6. So it required the (+) to Pin 1, and (-) to Pin 12. As seen here:
I got it start up again and drove it around the block to recharge the battery since I haven't driven it and I didn't want to drain the battery in the process.
So as I was trying to maintain a steady grip on the prongs to grab the codes--its tricky holding the proper position/stance--with the analog voltmeter but I abruptly realized I didn't know the settings to properly read them so I tried to do a quick search (to no avail) and just decided on 9V as that got the best reading on a AA battery... so when I went back to grab the codes the same issue occurred: the check engine light won't turn on.
It won't go into self-check and the voltmeter is no longer picking up any activity.
Edit: Ok a few hours later and the Check Engine Light still won't appear, and I unplugged the battery with no luck either. And as expected no activity monitored from the diagnostic pins.
Quote: First some details. What year is this truck? If => 96, it's obd2 and you must have a scanner to read the codes. If <96, follow the fsm procedure to read the codes. Report back codes.
This site and all original materials contained herein are Copyright 1999 - 2013 by OutdoorWire, Inc. -- All Rights Reserved.
You may link freely to this site, but no further use is allowed without the express written permission of the owner of this material.
All corporate trademarks are the property of their respective owners.
This publication and OutdoorWire, Inc. assume no liability for your use of the material contained within this site.
OutdoorWire, 4x4Wire, SUVWire, JeepWire, MUIRNet-News, and 4x4Voice are all trademarks and publications of OutdoorWire, Inc.