FICM control relay location - Diesel Forum -
E-Series Vans Technical discussion of topics related to vans powered by any of the Navistar engines. This covers a broad number of years, but there isn't enough demand to split it any further.

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post #1 of 1 (permalink) Old 09-15-2018, 05:46 PM Thread Starter
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FICM control relay location

Hey folks,
Bought a tuner for the FICM of my 2005 6.0 E350 (a FICM tuner, not the usual ECM tuner which I also use).

It is apparently mandatory to disconnect the FICM Control Relay each time one programs the FICM.

It seems easy to find info as the location of this relay on F350s but I have found no reliable instruction re the E350.

For clarification here is a set of instructions found online published by one of the vendors (if van instruction are in there I have missed it and apologize)...

Any help appreciated,
Thanks in advance!

1995 CC DRW, 7.3 PSD, 300+K (bought it at 190K), 5spd, SB ConO, 4:10's, BDP D66, BDP stg 1's (at 275+K), Dieselsite CPR, 205* thermo (napa), SD hpop, Tymar intake, Tymar 4" exh turbo back, Tymar HX, Wildman 4 pos chip (OMG!), Hypermax I/C, modded IDM, two pyros pre turbo, boost gauge, Schaefer's 5/40, doesn't burn a drop, Gear Vendor OD at 250K...neat, Transfer Flow 98 gal tank, 235/85/16 Michelin XPS Rib, Bilstein's, Firestone Ride-Rites, SD rear leafs.

2005 E350 w Sportsmobile EB50 conversion and SMB 4wd. Aprox 65k miles.
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