DRL Dropout

[jludave]

I used OBD JSCAN on my JKU and will be using again on my JLU. I'm just waiting for my bypass cable to arrive. In preparation, I've been looking at the DRL settings and have a question about DRL Dropout. I have a Sport Altitude and replaced the stock halogen park/turn signal bulbs with LED switchbacks. So, with that being said, when activating DRLs what should the DRL Dropout setting be set to with switchback bulbs? My guess is leave it enabled (although on a Sport it might not even matter).

Set DRL Dropout: This setting is enabled by default, making the DRL turn off when using a turn signal. Turning this OFF will keep the DRL on even when a turn signal is in use.

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[Gregj]

I am unfamiliar with the Sport Altitude, does it currently have DRL's? I ask as my Sport (2018) did not. If they are not currently present then changing the settings will have no effect and *may* cause other problems. I added OEM led's to mine and used the JScan App to enable them. there is a separate wire for the DRL's in the fender harness, did your harness have four wires or five?

Gregj

 

[jludave]

does it currently have DRL's?

The Altitude is a Sport S with black 18" wheels, back badges and decals and black dash trim.

I do not have DRLs, hence my wish to use OBD JSCAN to enable them. I simply replaced my stock halogen park/turn signal bulbs with LED switchbacks.

 

[Gregj]

I believe you will be missing the DRL wire in the fender harness. I swapped the Flares on mine to Rubicon's so i had the light and the needed wire.

Gregj

 

[jludave]

I believe you will be missing the DRL wire in the fender harness. I swapped the Flares on mine to Rubicon's so i had the light and the needed wire.

Gregj

Not trying to be rude, but you're not understanding.

I'm not swapping/changing anything to factory DRLs. I don't need any additional wires, harnesses, fender flares, etc.

I have a Sport S (yes it's an Altitude, but it's still a Sport S) without LEDs or DRLs. I swapped out the factory halogen park/turn signal bulbs (one per side) to LED switchbacks. I now plan on using OBD JSCAN to enable those as DRLs. The question I asked pertains to the DRL Dropout setting and whether it should be enabled (by default) or disabled with my switchback bulbs.

 

[Gregj]

I believe I understand completely. If your Jeep did not have DRL's from the factory then you are missing a wire in the fender harness and no amount of changing setting in the BCM will make that wire appear.

https://www.jlwranglerforums.com/JL...ASSEMBLY-RIGHT-FRONT-C1-connector-details.pdf
this is the wire diagram for a base model fender flare.

https://www.jlwranglerforums.com/JL-Wiring-Diagrams/LAMP-DRL-RIGHT-PREMIUM-connector-details.pdf
this is the wire diagram for a model with DRL's, you can see that pin "5" is the DRL wire.
https://www.jlwranglerforums.com/fo...nstall-for-jlu-sahara-2019.41712/#post-965846
In this thread post #8 I posted pictures of the different fender flare wire harnesses.
And to answer your question, when you get the needed wire in the flare harness, you want that setting to "active".

Good Luck!

Gregj

 

[jludave]

I believe I understand completely. If your Jeep did not have DRL's from the factory then you are missing a wire in the fender harness and no amount of changing setting in the BCM will make that wire appear.

No you don't understand and completely missed what I'm trying to accomplish. Once again, I don't have LEDs or DRLs from the factory. DRLs CAN be enabled using JSCAN, Tazer, etc. on vehicles with halogen lighting even if the vehicle did not come with them enabled from the factory. I did it on my 2015 JKU. This has nothing to do with factory DRLs or LEDs, wiring harnesses, exta wires etc., since I only have halogen lighting (which I changed to LED switchbacks). There are multiple settings. One to enable them, one to specify which lights to use (I'm going to use my park/turn signals) and DRL Dropout. What you keep talking about is adding factory LEDs to a vehicle without them (again, not what I'm doing).

 

[jludave]

Also, look at the post here:

https://www.wranglerforum.com/f1082/adding-drl-to-sport-2341151.html#post34068373

OBD JSCAN can do the same thing as the Tazer and Tazer Lite in terms of DRLs.

 

[Gregj]

I do not have any experience with switchback bulbs so I did some googling and it appears swithback led's have three wires, ground and two positives one for the amber and one for the white, right? Ground is easy as is the amber (turn signal), where is the power for the white wire going to come from?

In any case, I'm out.
Good luck with your project.

Gregj

 

[Gregj]

Also, look at the post here:

https://www.wranglerforum.com/f1082/adding-drl-to-sport-2341151.html#post34068373

OBD JSCAN can do the same thing as the Tazer and Tazer Lite in terms of DRLs.

I know, I've used both. Tazer on my wife's Rubicon to fix the Morimoto sequentials and JScan on my Sport to enable the Rubi Flares I put on it.

Gregj

 

[jludave]

The switchback bulbs simply replace the halogens. There's no wiring involved. They are plug and play (the ones I got are CANBUS so no hyperflash). You are over thinking this.

I simply plan on using JSCAN to enable my park/turn signals as DRLs, which can be done without issue on vehicles without factory DRLs.

My question pertains to the DRL Dropout setting, which I did not have with the version of JSCAN I used with my JKU.

 

[beaups]

Also, look at the post here:

https://www.wranglerforum.com/f1082/adding-drl-to-sport-2341151.html#post34068373

OBD JSCAN can do the same thing as the Tazer and Tazer Lite in terms of DRLs.

I have a sport S with aftermarket switchbacks and a Tazer. What I don't have, nor do you, are DRLs. So enabling the DRL option in the BCM with Tazer doesn't accomplish anything, as it is simply configuring the BCM to make hot a wire that isn't physically there. Now, there are some other DRL options in Tazer to use fogs/headlights/set DRL, but unsure if/how that works.

 

[Gregj]

I have a sport S with aftermarket switchbacks and a Tazer. What I don't have, nor do you, are DRLs. So enabling the DRL option in the BCM with Tazer doesn't accomplish anything, as it is simply configuring the BCM to make hot a wire that isn't physically there. Now, there are some other DRL options in Tazer to use fogs/headlights/set DRL, but unsure if/how that works.

Thank you!
Gregj

 

[beaups]

Thank you!
Gregj

Sure. There are some options for different DRL in Tazer that *may* allow one to use the corner/parking lamps that the sports do have as DRL, but I haven't tested or researched that.

 

[jludave]

So enabling the DRL option in the BCM with Tazer doesn't accomplish anything, as it is simply configuring the BCM to make hot a wire that isn't physically there. Now, there are some other DRL options in Tazer to use fogs/headlights/set DRL, but unsure if/how that works.

There's a bit of confusion here. Turn/park signals can be used as DRLs on vehicles with halogen lighting.

There are different options in the various tuners/programmers depending on the type of DRLs being enabled.

The settings for LED DRLs in JSCAN are different than those for regular halogen DRLs. The halogen DRL settings are the ones you refer to for fogs, headlight, park/turn. This is what I plan to enable and set to turn/park. It worked on my '15 JKU and should work just the same on my '20 JLU.

Again, the question I have refers to the DRL Dropout setting which is active by default.

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