Loose FICM connector - Ford Powerstroke Diesel Forum

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post #1 of 11 Old 02-22-2012, 06:02 PM Thread Starter
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Loose FICM connector

The center connector on my FICM keeps coming loose. Not bad but loose enough to cause a good intermittent miss and throws an injector code, p0282. When I wiggle the connector the miss stops.
Any ideas on a way to keep that connector seated good?

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post #2 of 11 Old 02-22-2012, 06:14 PM
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To properly fix this you'll need a new ficm harness unfortunately. The locking tabs will eventually get brittle from heat and the next person who disturbs them could be looking at some broken connectors. There is one tab on each side, usually one is sufficient to hold the connector in, with both broken it won't stay in for long, though.

you could string a couple zip-ties together and wrap it around the ficm and connector cinching them together. I've done this in a pinch before until a harness was available.
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post #3 of 11 Old 02-22-2012, 06:32 PM Thread Starter
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Quote:
Originally Posted by sinner6.0L View Post
To properly fix this you'll need a new ficm harness unfortunately. The locking tabs will eventually get brittle from heat and the next person who disturbs them could be looking at some broken connectors. There is one tab on each side, usually one is sufficient to hold the connector in, with both broken it won't stay in for long, though.

you could string a couple zip-ties together and wrap it around the ficm and connector cinching them together. I've done this in a pinch before until a harness was available.
Not sure if both are broke, I havent took the ficm off yet to check. And I'm guessing these ficm harnesses are really expensive? I'm guessing I can't change just one bc all 3 connectors are on the new harness? Are they hard to install?

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post #4 of 11 Old 02-22-2012, 07:16 PM
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The smaller rear 2 connectors are for the ficm harness. the larger front connector is the main engine harness(that is the one you DON'T want to break). I believe a ficm harness lists for around $200 but you can probably get one much cheaper online.

The ficm harness is fairly simple to change, all you really have to do is remove the ficm, unbolt the ground wire off the rear intake manifold stud, pull off your hot side cac boot and unclip all your injector connectors. The harness runs from the ficm to the right side under the front of the turbo.

The ficm harness part number for 05-07 is 5C3Z-9D930-AA
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post #5 of 11 Old 02-22-2012, 07:35 PM
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You can cut a piece of flat steel plate and wedge it under the harness to hold it in place...done that once a buncha times.
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post #6 of 11 Old 02-05-2015, 07:11 AM
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I know this is old but for people having this problem and would rather fix it on the cheap, swamps diesel sells the connectors individually for about 30 bucks, and connectors with with a solder in harness for 63.
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post #7 of 11 Old 02-06-2015, 02:44 PM
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That's actually REALLY good to know. I JUST replaced my OEM FICM with a Sinister 58v and all but one of those little tabs broke. There is no way I would replace the WHOLE harness just because of those tabs. If it weren't for the option of buying just the connecters or a solder-in harness; I would come up with some other way of making sure those connectors stay in.

A whole new harness is ridiculous.

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post #8 of 11 Old 02-06-2015, 05:37 PM
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Quote:
Originally Posted by sixoh View Post

A whole new harness is ridiculous.
That is your opinion

My opinion is that breaking 5 out of 6 FICM harness retaining clips while installing a FICM is ridiculous

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post #9 of 11 Old 02-06-2015, 05:54 PM
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Yeah, it is. I was pretty pissed at myself. But, they were all brittle and snapped off at little more than a touch.
I didn't take offense to that response....and didn't mean to offend you by what I said. No need to be sensitive!! Because you're right, that was my opinion! I am sure FoMoCo love it when we R&R instead of fixing

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post #10 of 11 Old 02-06-2015, 06:04 PM
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Haha yeah that was a little harsh I admit. I apologize. The ficm connectors are not the only reason to replace a harness, the wiring is subject to an excessive amount of heat and vibration and chafing is a serious problem with the 6.0s wiring.

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