Date:         Wed, 8 Nov 1995 15:55:08 -0500
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         "Frank E. Terhaar-Yonkers" <fty@mcnc.org>
Subject:      Re:  New Digifant bogosity - <fwd> one possible explanation

I'll look into this tonight and report.
- Frank

 >From: <EAGAN@LOYOLA.EDU>
 >Date: Wed, 08 Nov 1995 11:28:45 -0500 (EST)
 >Subject: Re: New Digifant bogosity
 >To: fty@mcnc.org
 >
 >
 > Ok, this doesn't sound like the common miss that occurs after driving
 >     at sustained highway speeds for awhile. that problem seems to have 
 >     been cured for me, by installing the updated airflow meter
 >     harness.
 >
 >     but, my 86' transporter seem to be suffering from this other
 >     intermitant miss. it doesn't happen very ofter, but
 >     when it does happen there is no missing it.
 >
 >      i have traced the problem, (i think) to a connection in the
 >      fuse box.
 >      if you remove the fuse box from under the dash.
 >      will drop down a little bit and you can look at the
 >      backside where numerous wiring harnesses connect.
 >      the individual harnesses terminate with large multipin
 >      connectors that plug into the back of the fuse box.
 >
 >      there is one usually colored white that is close to the 
 >      center. this connector is some how related to power
 >     for the FI computer or fuel pump relay power or something.
 >     i havent traced with the diagram because i lent my bently book
 >     to someone who has forgotten to give it back.
 >
 >      if you gently pull this connector off. look at the connector
 >      and there a little number stamped next to each female connector
 >      look at number 15. i have noticed on numerous occasions that 
 >      connection number 15 some how overheats or builds up resistance
 >      and caused a problem with the FI system. if there is a problem
 >      with the connection the plastic surrounding pin 15 is usually
 >      burned or even melted. i have had good luck with trying to clean
 >      the corresponding pin that 15 connects to with on the fuse box
 >      with emory cloth. but cleaning the female part of the connection
 >      is really hard to do because it is so small.
 >      i will later replace the connector it's self but you need a special
 >      tool to remove the wires fron the inside of the connector.
 >      so i'm still working on the problem.
 >
 >      forward this to the list if you can, because i think i 
 >      sent it to you only.
 >
 >       i don't know if this helps or not but i figured
 >       i'd throw it out to everyone.
 >
 >patrick
 > 86 transporter.
 >

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Frank Terhaar-Yonkers	
High Performance Computing and Communications Research
MCNC
PO Box 12889	3021 Cornwallis Road
Research Triangle Park,  North Carolina  27709-2889
fty@mcnc.org   voice (919)248-1417   FAX (919)248-1455
http://www.mcnc.org/HTML/ITD/ANT/HPCCResearch.html