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Join Date: Aug 2011
Location: Las Vegas
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Alternator Change Out Before FICM?
My FICM finally cr@pped out. I ordered a new one from FICMrepair along with a new 185 amp DC Power alternator. Ed told me to change out the alternator first before I change out the FICM or it will fry the FICM. I don't understand how if I leave the batteries disconnected until the end of both jobs. Any ideas?
I received the FICM today and would like to get that replaced before the alternator shows up tomorrow. My alternator appears to be putting out low voltage but still in the 12.5v-12.9v range after Glow Plugs kick off.
Does he mean don't do the complete alternator install (hook up the batteries) while the FICM is disconnected? I could see how that may be a problem because someone could hook the batteries back up by accident, then plug in the FICM
Thanks in advance!
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2005 F250 XLT 4x4 6.0L
4" Lift, 315 Tires, Edge Insight CS w/ fuel pressure and EGT, Gearhead SRL+, Blue Spring, Sinister Coolant Filter, door seal mod, Hybrid Audio Imagines, JL 13TW5, JL 900/5, Dynamat, ect...ect..
Sinister (bulletproof style) EGR Cooler, Updated Ford Oil Cooler, ARP Studs, Updated EGR Valve, HPOP, and IPR by Underground Diesel Performance