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Discussion Starter #1
Replacement FICM connectors:
1456315-2 (AP0018)
1456315-2 (AP0019)
1456316-1 (AP0020)

1. Remove the injector harness from the engine.

2. If your harness has the 90 degree wire protection at the base of the connector, carefully remove all of the tape from the wires about 2-3 inches back from the connector. This will allow for easier pin removal later on.

3. The 90 degree wire protection is fastened to the main connector with four clips. Depress the clips and remove it from the connector.


4. Inside the connector the wires are held in place by a clip that snaps at the base of each pin. The clip has to be released so the outer portion of the connector can be removed. Looking at the face of the connector, the top row of pins are numbered 1 -8 from right to left. Using an appropriate sized screwdriver, press in the the white plastic retaining clip on the 1 pin side of the connector. You will hear a click when it is released.


5. At the connector base, there are two more clips that need to be released. Using a small screwdriver, insert it into the small holes on the short sides of the connector to release connector cover. Very little pressure is needed here.


6. The cover can now be carefully pulled from the base of the connector and removed. The inner white plastic retaining clip that was released in step 4 will most likely be removed along with the cover in this step. I put it back on for this picture.


7. The pins are now held in place by some very fragile one way barbs which are pinched in at the pin base. CAREFULLY wiggle each pin while lightly pushing them beyond the barbs. Do not push the pins all the way out. We only want to remove the barbed plastic retainer in this step. This will give you the opportunity to transfer the pins to the new connector without having to keep track of all of the wires. This is where removing the additional tape from the base of the connector at the beginning will give you the needed room to back out the wires from the base without totally removing them.


8. Grab your new connector base and orient it the same way as the damaged connector base. Remove your first row of wires and place them one by one into the new base. Repeat the same step with the second row.


9. Once the pins are transferred to the new connector, only push them in far enough so the one way barbed retainer can be placed over them. We only want the tips of the pins to be just above the barbs. Now grab the new connector cover and place it face down with number 1 pin hole on the right (arrow in pic). The white retaining clip needs to be placed inside the cover with the extended tab towards the left (8 pin side) and the raised tab (pic) fits into the cover and away from the pins. Slide the retaining clip to the left inside the cover so the hoes are fully open.



10. The new connector cover can now be placed over the pins and onto bottom half. Take your time. Once you feel that all of the pin tips have passed beyond the clip, the connector cover should snap into place. Each wire can now be pushed fully into the connector so they seat beyond the one way barbs. Make sure they all are full inserted to the numbered face of the connector cover. Once all wires are fully seated, the white retaining clip tab on the 8 pin side of the connector can now be snapped back into position with a screwdriver.

11. Replace the 90 degree wire protection at the base, and tape it back up.

Here are two views of the connector assembly.

 

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"resident smarty pants"
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4,315 Posts
Great post - thanks!
 

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'05 Excursion
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1,948 Posts
Wow, this is lots of info!!
 

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Discussion Starter #4
I was told the dealer does not repair the connectors. They charge you for a new harness and 4 hours diagnostic time. I didn't have that much money sitting around.
 

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2Cruel
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1,645 Posts
I was told the dealer does not repair the connectors. They charge you for a new harness and 4 hours diagnostic time. I didn't have that much money sitting around.
You are right, I now sell the replacement connectors to my dealer lol
Travis
 

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Discussion Starter #7
Anywhere from $22-26 for the AP0019/20 for the injector harness. $27-31 for the AP0018 which is the connector for power and PCM communications. All of the retailers are distributors for the same part. Apparently this is an exclusive Alliant part, and nobody else makes a replacement connector.
 
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