Fuel Injector Harness Installation
- Austin Vann
Feed our fuel injector harness into the DME box through the same rubber sheathing as the factory harness.
Lay the fuel injector harness over the valve cover and bunch the loose wire ends together.
Gently wrap tape around the loose wire ends to protect the terminals from damage.
Remove the sub-connector from the main connector body of our signal box. This is done in the same way as the DME sub-connectors, depress the tab and slide them out. This will allow you to push the connector through the rubber sheathing and into the DME box.
Gently push the harness through the rubber sheathing until the taped end appear inside the DME box. Pull through about 1 foot of the harness.
Familiarize yourself with the terminals on the end of our fuel injection harness. You will find a heatshrink label on each wire with numbers from 7 to 12.
The wires must be installed into the correct position or vehicle/engine damage can occur!
Starting with the wire labeled number 7, insert the terminal into the corresponding position (7) in the connector you depinned above (DME fuel injector connector). Continue inserting all wires into their correct positions and recheck your work to ensure the wires have been inserted into the correct positions.
Note that positions 1 - 6 will remain empty. Only positions 7-12 are used on the fuel injector connector.
See the above photo demonstrating correct pinning. At this point the fuel injector connector can be reinserted into the DME connector housing.
Plug the signal controller into the harness as shown below and slide it into one of the empty DME box dividers.
Attached to the fuel injector harness is a brown wire with a ring terminal. This wire needs to be grounded. We recommend the 10mm bolt on the passenger side strut tower. This wire can be fed through a portion of the existing harness sheathing without modifying or cutting the grommets. The DME box sheathing closest to the front of the vehicle can be separated close to the DME box by pulling & twisting the rubber portion away from the hard nylon plastic section. The brown wire with the ring terminal can then be fed from inside the DME box out and grounded to the side of the strut tower. Once complete reinsert the rubber section of the sheathing over the hard nylon section and the brown wire.
Lay the harness behind the valve cover and connect fuel injectors. Use included zip-ties to organize harness. This concludes installing the fuel injector harness.