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  1. afiveo

    1990 GT 10 pin jumpers??

    Why are there jumper connections at my 10 pin connectors at the back of the intake? I'm talking about the between the wiring harness connections. It seems to only extend then 4 inches or so. Is that all they are for?
  2. afiveo

    90 GT Running rich, backfiring?? Help!

    I have a 1990 mustang GT. I've had it for 14 years. All stock except K&N panel filter, Mac headers, h-pipe, flowmaster cat back, and a msd blaster coil. 92000 miles. It is undriveable as it is now. It is running so rich the exhaust fumes burn your eyes. Doesn't smoke, just running rich. The idle...