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Project Ford E350 Tow Rig: Part 4 – Calling for backup!

  • Erik Jacobs
photo underneath van of EAS Module stack zip tied to other Ford harness bits
Here’s the EAS stack under the van.

I just removed the end cap, attached the EAS power switch, and reinstalled the end cap. I’d secure everything later once I figured out how long the extensions needed to be.

 

tape measure laying, extended, on driveway next to van
Measure twice, then measure a few more times, and eventually make some cuts.

I temporarily installed the half-hacked harness so that it would be roughly in the place it would live, and then I took some measurements to figure out just how much I needed to extend the harness by. I started by attaching the relay in the engine bay as I did in part three so that the power and ground wires would reach the battery. I then ran the rest of the wires down around through the engine bay and tried to stay clear of the steering column.

 

photo under van of measuring tape reel sitting on a factory cross member
After I measured with a regular tape measure, I remembered that I had a 100yard flexible measuring reel.

I shoved that under the van and pulled the tape along the route the wires would likely take and measured that. I then padded a bunch to the numbers, just in case, and used that for my extension cuts.

And, since I knew that I was going down the driver side of the van and one light pod would be on the passenger side, I made one extension longer than the other.

 

hand holding harness end with red and blue wire un-stripped, black wire stripped, with another black, stripped thin wire coming into the picture and a barrel parallel splice laying on table
Since I wasn’t disassembling the existing harness or making a new one, I used parallel / lap splices to attach my wires to the Edge harness.

Whatever you do, do not use the ghetto bullet connectors that you can find at the auto parts store. They will find the most inconvenient time to separate. Either parallel splice or use a solder joint, but solder has no business connecting wires on vehicles.

 

heat gun pointed at a harness with some glue line covering splices
Don’t forget to use some glue line heat shrink even after you crimp the splices. It helps environmentally seal the splice and also aids in retention in case your splice crimp isn’t so awesome.
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2 comments
  1. Nikko Miller says:
    April 1, 2020 at 12:28 pm

    you blanked out the back of the plate but then left the actual plate numbers visible on page 8

    Reply
    1. Erik Jacobs says:
      April 1, 2020 at 4:18 pm

      Yeah I realized I forgot to blur some of them a little bit late, and the way our photo system is set up I can’t delete photos, and it’s not hard for someone to just go to the whole photo gallery, so even if I added new blurred photos the old ones would still be there for now, so I just left them.

      Thanks for noticing, though! =)

      Reply

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