fastclown Posted September 20, 2009 Report Share Posted September 20, 2009 This is probably covered somewhere, but I can't find it... Is there a wiring diagram to convert the '86 B-38 plug onto an '87 harness? We're trying to determine which wires on the '87 engine harness require connection to the interior harness at connector B-38. I'll be running this car at the Grassroots Motorsports Challenge in a couple of weeks, assuming I get this figured out. Any help would be appreciated! Link to comment Share on other sites More sharing options...
Shelby Posted September 30, 2009 Report Share Posted September 30, 2009 (edited) read thru these posts, note i add'd instructions on how to make indash boost gauge workhttp://starquest.i-x...topic.php?t=305 also you will have extra wires in the 86 B38, they are from and to the map sensor the 86 got the indash gauge reading from the map sensor , the 87 the reading came from the ecu Edited September 30, 2009 by Shelby Link to comment Share on other sites More sharing options...
mistapickles Posted September 30, 2009 Report Share Posted September 30, 2009 (edited) http://www.fileden.com/files/2007/2/3/727626/IMG00582.jpg If you cut pigtails off each side of the old harness you can match up the wires end to end like this. I still am working on this to get the cruise control to work, but all your gauges should work. The white connector is the 87-89 the blue is the 86. Edited September 30, 2009 by mistapickles Link to comment Share on other sites More sharing options...
Recommended Posts