About FICM time
Senior User
Joined: Feb 2007
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From: Saskatchewan, Canada
I won't have any real results until later this summer on the Econo tune but the reason I chose that one was because my trailer gross weight is 10k and I'm pretty much stock except for the suspension upgrades. If you have any questions send Ed a pm or call him, he answered all my questions and his customer service is second to none.
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Joined: Oct 2013
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From: OR
It would be curious to see if your FICM voltage recovers as soon as your battery voltage pops back up following your glow plugs shutting off (following that load going away). I bet it would, but the stress damage has been done. Sadly, it's time to replace parts on the module.
That's a terrible deal. I just got a 250A Powermax alternator on ebay for $170. Brand new, not remanufactured. The reman stock alternators are only around $100. With a warranty.
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Strokin Okie
Joined: Apr 2004
Posts: 1,883
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From: Oklahoma
I just had a very similar situation, my alternator died, and my FICM is putting out similar voltage cold and then jumps back up to 47. With my new alternator the voltage is 12.8 when the glow plugs are on, but the FICM still reads 43 or so. Same as when the voltage was 11.9.
That's a terrible deal. I just got a 250A Powermax alternator on ebay for $170. Brand new, not remanufactured. The reman stock alternators are only around $100. With a warranty.
That's a terrible deal. I just got a 250A Powermax alternator on ebay for $170. Brand new, not remanufactured. The reman stock alternators are only around $100. With a warranty.
I'm not too concerned about it being a reman unit if it has a two year warrant. Here is where real the difference is; my alternator goes out, I drive 2 miles to from work to the Ford warehouse and have it replaced in an hour. I've experienced ebay, you may be joining the long list of people who can't get a response from the seller, or at minimum have to wait several days for one to ship. Who got the better deal at that point?
https://parts.autonationfordwhitebea...ion=ALTERNATOR
Senior User
Joined: Oct 2013
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From: OR
Any seller, be it a website, a Ford dealer, or ebay, can have delays from time to time.
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Strokin Okie
Joined: Apr 2004
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From: Oklahoma
Posting Guru
Joined: Dec 2012
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From: SW Florida
Just curious....have you verified the amperage output at idle, 1000 and 2000 rpms with an ammeter?
Former Vendor
Joined: Feb 2010
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I just had a very similar situation, my alternator died, and my FICM is putting out similar voltage cold and then jumps back up to 47. With my new alternator the voltage is 12.8 when the glow plugs are on, but the FICM still reads 43 or so. Same as when the voltage was 11.9.
Ed
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Senior User
Joined: Oct 2013
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From: OR
Not yet, but I will. I'm installing a combination amp/voltmeter. I was told it should make full amperage above 1200 RPM, and approximately half at idle. It came with a smaller "overdrive" pulley than the stock alternator. It's been holding at 13.8-14v at idle.
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