Jim_Philly
Member
- Joined
- Jun 30, 2016
- Messages
- 62
- Reaction score
- 6
- Points
- 8
- Location
- Norristown (Philadelphia Area), PA
- Vehicle Year
- 2007
- Make / Model
- Ranger FX4 L2
- Engine Type
- 4.0 V6
- Engine Size
- 4.0
- Transmission
- Manual
- 2WD / 4WD
- 4WD
Hi all -- there are a lot of threads here about swapping out an electric-shift BW1345 transfer case for the manual-shift version. I have an electrical/electronics-related question.
I have a 2003 FX4 L2 donor truck complete with all of the required mechanical parts in excellent shape (body rust, motor blown.. otherwise I'd just keep THAT truck). I would like to put the manual transfer case in my 2007 FX4 Level 2 with manual transmission. Physically, everything will bolt up just fine.
Unfortunately, starting with the 2006 model year, Ford implemented a high-speed CAN bus to connect all the modules together, including the PCM, 4x4 control module, and gauge cluster. This means that rather than point-to-point sensor/switch connections to multiple modules, everything goes back just to the "parent" module and then the modules talk to each other over the HS-CAN bus. (See attached diagrams).
The 2003 manual transfer case setup omitted the 4x4 control module entirely, and has a 4x4 position switch in the transfer case hard-wired to the 4x4 High/Low dash cluster lights and the PCM. The position switch either grounds out pin #1 or pin #2 depending on whether it's in high or low, and that satisfies the PCM and dash cluster.
Because the 2006-up Rangers didn't have a manual transfer case option, the CAN bus-based setup didn't account for that type of functionality.
Has anyone done a manual transfer case swap on a 2006-2011 Ranger? I have some ideas for workarounds but would love to hear from anyone that has already blazed this trail.
I'm thinking I will need to leave the 4x4 electronic selector switch in place, and switch it along with manually shifting the transfer case. I'm also thinking I'll need to somehow take the position encoder from an electronic shift motor assembly, and attach it (without the motor itself) to the manual transfer case so that it will communicate the transfer case position status back to the 4x4 control module and avoid any DTC's or malfunctions. But if there's a way to just make the 2-pin position switch satisfy the 2006-up electronics without the need for all that, I'd love to hear it.
Thanks! - Jim
I have a 2003 FX4 L2 donor truck complete with all of the required mechanical parts in excellent shape (body rust, motor blown.. otherwise I'd just keep THAT truck). I would like to put the manual transfer case in my 2007 FX4 Level 2 with manual transmission. Physically, everything will bolt up just fine.
Unfortunately, starting with the 2006 model year, Ford implemented a high-speed CAN bus to connect all the modules together, including the PCM, 4x4 control module, and gauge cluster. This means that rather than point-to-point sensor/switch connections to multiple modules, everything goes back just to the "parent" module and then the modules talk to each other over the HS-CAN bus. (See attached diagrams).
The 2003 manual transfer case setup omitted the 4x4 control module entirely, and has a 4x4 position switch in the transfer case hard-wired to the 4x4 High/Low dash cluster lights and the PCM. The position switch either grounds out pin #1 or pin #2 depending on whether it's in high or low, and that satisfies the PCM and dash cluster.
Because the 2006-up Rangers didn't have a manual transfer case option, the CAN bus-based setup didn't account for that type of functionality.
Has anyone done a manual transfer case swap on a 2006-2011 Ranger? I have some ideas for workarounds but would love to hear from anyone that has already blazed this trail.
I'm thinking I will need to leave the 4x4 electronic selector switch in place, and switch it along with manually shifting the transfer case. I'm also thinking I'll need to somehow take the position encoder from an electronic shift motor assembly, and attach it (without the motor itself) to the manual transfer case so that it will communicate the transfer case position status back to the 4x4 control module and avoid any DTC's or malfunctions. But if there's a way to just make the 2-pin position switch satisfy the 2006-up electronics without the need for all that, I'd love to hear it.
Thanks! - Jim
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