View Full Version : Stock .bin for a 94 K3500 ~ 7.4 Liter ~ 4L80E ~ NP241
dave w
03-28-2012, 10:08 PM
Does anyone have or know the BCC for a 94 K3500 ~ 7.4 Liter ~ 4L80E ~ NP241? I'm doing a '427 PCM upgrade and need assistance with a starter .bin file. I'm wonder, was $OE for 4x4 only?
Thanks,
dave w
EagleMark
03-28-2012, 11:41 PM
There's several bins in the $OE information thread along with wiring diagrams for $OE and 4x4.
http://www.gearhead-efi.com/Fuel-Injection/showthread.php?337-16196395-PCM-Information-OE
From what I have read/learned and seen $OE is 4L80e and even have a 16197427 PCM with 5.7L 4l80e $OE bin.
$OD was for 4l60E
Wiring and paremeters for transfer case output seem to be only difference in bins.
dave w
03-31-2012, 06:25 PM
http://www.gearhead-efi.com/Fuel-Injection/showthread.php?337-16196395-PCM-Information-OE
I looked at the schematics on the above link, on sheet 4 / pin F8 is indicated as 4WD Low Range input. Does anyone know if pin F8 is ground when the transfercase is in Low Range?
Thanks,
dave w
EagleMark
03-31-2012, 07:17 PM
Just a guess from experiance dark blue is usually a ground. Look at sheet 2 for other dark blu and they have power to other input.
PJG1173
04-02-2012, 05:49 PM
I looked at the schematics on the above link, on sheet 4 / pin F8 is indicated as 4WD Low Range input. Does anyone know if pin F8 is ground when the transfercase is in Low Range?
Thanks,
dave w
all the Tcase conversions ive done its been a switch to ground for 4lo. a micro switch on the 4wd shifter works well for this too.
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