@ home FICM first aid questions... - Ford Powerstroke Diesel Forum

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post #1 of 20 Old 11-14-2012, 02:24 PM Thread Starter
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@ home FICM first aid questions...

Well my FICM has been acting up. Low voltage after start up. Checked the batteries and while they are fairly new the are also fairly cheap and are @ 12.5 and 12.3v . And with the holidays and 2 birthdays in the next couple months Im gonna roll the dice and do a FICM home repair job-http://www.powerstroke.org/forum/6-0-tech-files/124816-detailed-ficm-repair-procedure-new-post.html
Good news is my wife was a AT (radar geek) in the NAVY so she can solder very well.
So I ask anybody who has tryed this for your input.How did it go ? Any thoughts or suggestions? Thanks

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post #2 of 20 Old 11-14-2012, 05:24 PM
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Many folks have done this repair.

Just so you know, if it gets messed up, some repair places wont accept them.

But, since your wife is very experienced with these kind of repairs, I'd say go for it.

(I have not done this repair, I can't solder!)
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post #3 of 20 Old 11-14-2012, 05:46 PM
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Good solder station will benefit you as the points are pretty fine, especially the resistors. Be careful not to displace them since as soon as the solder flows both sides could let go and it will move. It can be put back but would be a pain. Over all the FICM removal is more of a pain in the *** than the soldering The goo removal can be done with no heat and would probably be less of a mess, I did mine with no heat. Just follow the guide, it is pretty good. The only thing different was the resistor placement because mine is an 03, and the guide is for later trucks, but they look the same, just in a different spot on the board

Last edited by _Diesel_; 11-14-2012 at 05:52 PM.
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post #4 of 20 Old 11-14-2012, 07:09 PM
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I did this procedure myself 6 months ago and I had zero experience soldering. My volts were in the low 30's but since they have maintained @48.5v and the lowest they have dropped is 47v. When I took the goo off one of the four resistors wasn't even soldered onto the board anymore. Just make sure you don't cross the connection between them, and be careful because there's a very small area in between them.


Last edited by lethald; 11-14-2012 at 07:16 PM.
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post #5 of 20 Old 11-15-2012, 06:10 AM Thread Starter
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Quote:
Originally Posted by amdriven2liv View Post
Many folks have done this repair.

Just so you know, if it gets messed up, some repair places wont accept them.

But, since your wife is very experienced with these kind of repairs, I'd say go for it.

(I have not done this repair, I can't solder!)
And this is something that I have thought about. But, if all goes well I save a minimum of $195 plus shipping and handling plus no truck down time and I get to say "its shake n bake and I helped it...". (That means I/wife get the credit for fixing the truck.) If all goes wrong I get to go to BPD and buy some real nice truck bling.
So today I have to take the trash to the dump before I tear into the truck, so hopefully by tonite I will know if this all works for the best.

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post #6 of 20 Old 11-15-2012, 07:33 AM
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Just be careful unplugging the connectors. Push in first, then pull out. It's tight in there.

Look real close at the harness after you get the FICM out. Make sure there isn't any chaffing going on.

If you look right behind the FICM you will see the heater return hose. Some times it rubs on the FICM housing. You might think, since you are in there, to get a chunk of bigger hose and wrap it in that area.
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post #7 of 20 Old 11-15-2012, 10:24 AM
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I didn't have any problems doing this (I am an electronics tech) and the hardest part, as has been already said, is getting the FICM out and then back in. Voltage is now no lower than 47.5V now. I highly recommend trying this if you're having FICM voltage issues - just take your time.


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post #8 of 20 Old 11-16-2012, 11:11 AM Thread Starter
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Well job is done....for now. Did the re solder job ervything seemed to go as could be hoped but no real diffrence in over all volts. Dosnt seem to pizz of the EDGE quite as much as it did before so I guess something got better....Looks like more truck bling after the holidays.
You know what they say, you'll never hit a homer if you dont get up and swing the bat!

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,edge turbo timer
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post #9 of 20 Old 11-16-2012, 07:05 PM
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Did you replace any of the capacitors? If you aren't seeing any voltage increase.....more than likely you could probably benefit on swapping those out as well.

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post #10 of 20 Old 11-17-2012, 04:56 AM
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Keep us posted, bud. Over the life of FICM manufacturing, Ford switched from 7-pin to 4-pin and also switched to inferior components, so you could have had an internal failure which soldering won't be able to fix. I wouldn't just throw electronic parts at the problem though.

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