Trailer Brake Controller Prewiring

[Jetsareus]

*Ryno

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[ryno]

just to add my findings. I didn't take apart the dash looking for a controller end, but I did wire up a spare tire swing out lincese plate led and used etc 4 way as a running light power. I was curious as if the 4 or 7 way was wired up and had fuses installed form the factory, they do. Some cars its an add on if your doing towing.

 

[Nodak]

just a note, toyota has changed course on how they wire vehicles now. it use to be they would have wire looms pre-made with everything and just not the connecting switch or what not.

now a days, toyota has specific wire looms for those trims that either have a feature or not. so they are no longer leaving pre-wired connectors for the end user to piggy back off anymore.

its been noted on the new tundra's even as simple as the higher end side mirrors vs the lower end mirrors not having the connectors for the features the higher end mirrors have to plug and play swap out of the lower mirrors

 

[rfdj]

@Kokorone and @Gastan I read the book! It clearly states that this is the wire. Has anyone done any further testing. I was going to look at the pinouts for the 304100 from Tekonsha and see if it looks right. I ordered the RF, but I already had the P3. hopefully I can figure it out. Wish the book had instructions on removing the plastics.

 

[Kokorone]

@Kokorone and @Gastan I read the book! It clearly states that this is the wire. Has anyone done any further testing. I was going to look at the pinouts for the 304100 from Tekonsha and see if it looks right. I ordered the RF, but I already had the P3. hopefully I can figure it out. Wish the book had instructions on removing the plastics.

Wow I totally missed this in the manual. Good find! It should work natively with the harness from the Redarc.

 

[time2playandy]

Yes, now how to access it?!?

 

[Kokorone]

Yes, now how to access it?!?

It’s super easy to access. Just pop off the driver side under panel

 

[rfdj]

It’s super easy to access. Just pop off the driver side under panel

You can also access through the side panel

 

[rfdj]

@Kokorone I took a look at the pinout for the G6-4R vs the G5-4R and they look different so the 304100 wont work. But I still have a Tekonsha harness from my JLUR 4xe. So I took it apart. Going to see if a 304100 connector fits and rewire if it does. Does anyone know this connector type? (see last)

^Took old one apart

^G6-4R seems to be clockwise Red , Green, White, Blue

^G5-4R would be Black, White, Red, Ground, Blue (reversed cause of M vs F connectors) All educated guesses here; if there is a SME in the forum please weigh in. Do we know what this connector is called?

 

[rfdj]

Plugged in!

Pull this out port ways to detach clips, then aft to slide tabs out.

There's a place to ground on, right above the right terminal in the picture. I put an additional M6 10mm nylock nut to sandwich the terminal. For now I removed a button blank and fed the plug through till I locate the final location. The cable is a 304100.

 

[time2playandy]

Plugged in!

Pull this out port ways to detach clips, then aft to slide tabs out.

There's a place to ground on, right above the right terminal in the picture. I put an additional M6 10mm nylock nut to sandwich the terminal. For now I removed a button blank and fed the plug through till I locate the final location. The cable is a 304100.

Brilliant! Thank you!!

 

[Landon]

Plugged in!

Pull this out port ways to detach clips, then aft to slide tabs out.

There's a place to ground on, right above the right terminal in the picture. I put an additional M6 10mm nylock nut to sandwich the terminal. For now I removed a button blank and fed the plug through till I locate the final location. The cable is a 304100.

Did you just shove straight on to the blades, or the the ... I'm not sure the name, but the female end of the pigtail harness work, after reordering the wires?

Trying to get myself set up with a Redarc, but the harness is where I'm coming up short. I thought about ordering another harness and just redoing the wire locations.

 

[rfdj]

Did you just shove straight on to the blades, or the the ... I'm not sure the name, but the female end of the pigtail harness work, after reordering the wires?

Trying to get myself set up with a Redarc, but the harness is where I'm coming up short. I thought about ordering another harness and just redoing the wire locations.

I used the same Tekonsha part that the 2024 used. Plug-and-Play if you will. Tekonsha Harness

I dont have a Redarc to test with, but it seems that this would be my start if was going to. Redarc Harness

 

[spyder40]

I emailed Redarc and they suggested the CIKTP-NA-012 kit which includes the TPH-021 plug and play harness.

 

[time2playandy]

Plugged in!

Pull this out port ways to detach clips, then aft to slide tabs out.

There's a place to ground on, right above the right terminal in the picture. I put an additional M6 10mm nylock nut to sandwich the terminal. For now I removed a button blank and fed the plug through till I locate the final location. The cable is a 304100.

Have you picked out a mounting spot for the controller yet?

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