I had the same problem!
Check the main power wire for corrosion. The wire is under the fuse box on
the drivers side. There is a factory splice that was never sealed on these
trucks and needs to be repaired, you will need to pull the fuse box and cut
open the wire loom and start hunting for the wire. I forgot what color the
wire was, but I found out originally by looking in a service manual.
Mark
flyboy01@worldnet.att.net
-----Original Message-----
From: david zavetsky <zavetsky@usaor.net>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Sunday, March 14, 1999 12:54 AM
Subject: DML: intermittant code 27 & 12
>Hey folks...
>
>I am having an occasional intermittant problem with my 5.2 92 4x4 Dak...
>
>Every once in a while in traffic, etc the check engine light comes on, and
>the truck starts running rough....On acceleration, it feels like a miss....
>
>Eventually, the problem goes away and the check engine light goes out with
>the next start....
>
>The codes I get are 12 (power loss to computer) and 37 (fault in
>controlcircuit to injector #1, 2 or 3)....
>
>Any body else have this trouble ever and what did you find????
>
>Thanks in advance!
>
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