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Mmfp 0910 21 Z Mass Airflow Conversion Four Wire Harness
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The four-wire harness from the mass air meter was routed through the firewall on the passenger side and down to the EEC main connector. An additional hole was made in the large oval-shaped grommet that the existing EEC harness is routed through, located in the upper corner on the passenger-side firewall. Be careful not to cut any existing wires while making a new hole in the grommet. Next, the end of the four-wire harness was taped to the end of a rigid piece of wire (protecting the EEC pins), and gently pushed through the grommet and down to the kick-panel area where we could pull it through. Make sure to leave a little slack in the four-wire harness and also use convoluted tubing to protect your wiring from chafing. To avoid possible leaks, we used some silicone to seal off the area where the new harness goes through the grommet.
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