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Discussion Starter · #1 · (Edited)
One of the major complaints of the new Blazer is the poor headlights. Unfortunately it's difficult or not even possible with some models to upgrade them. To help combat this issue, I've figured out a way to keep the DRL from dimming when the headlights are on. By default, the DRL strips will "DIM" when the headlights are active. Keeping them at the brighter level at night surprisingly adds quite a bit of light, almost as if equipped with fog lights!

Car Vehicle Grille Automotive lighting Motor vehicle
Automotive tail & brake light Automotive lighting Vehicle Tire Automotive tire
Car Vehicle registration plate Vehicle Grille Automotive lighting
Rectangle Sky Font Gas Tints and shades
Atmosphere Light Sunlight Automotive exterior Line


Installation is as simple as opening the hood, unplugging the factory plug from the DRL lights and inserting the adapter in-between the plug and the DRL light. There’s no splicing, no wiring and I've managed to get the exact same high quality plugs as Chevy uses stock. If you can open your hood, you can install these.

Product Material property Calipers Camera accessory Dvi cable


In testing it was found that a cool side effect was produced from the adapters. I wanted to let everyone make their own decisions. By default, the side marker lights (by the wheel) and the tail lights come on all the time when the DRL lights are active, rather than just when the headlights (and remote start) are on due to the way the adapters are wired. Personally, the more lights the better!. It is the whole reason for DRL lights in the first place. I have come up with a 2nd version of the adapters that prevent this. Please let me know which ones you prefer and I'll ship those.

If you're interested, there's a for sale post in the section named this below, shoot me a message, or use the eBay link below. I got a couple sets ready to go with some more on the way!

2019+ Chevy Blazer DRL Upgrade Adapters - Eliminate the dimming!

Or visit the site I made for them:

DRL Upgrade Adapters
 

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I received my adapters today and installed them. I haven't tried them at night yet, but they are brighter. I especially like that the tail lights are on during the day when the headlights are off.

My only gripe is the overspray on the connectors. How much effort does it take to mask them off...
 

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Discussion Starter · #13 ·
I received my adapters today and installed them. I haven't tried them at night yet, but they are brighter. I especially like that the tail lights are on during the day when the headlights are off.

My only gripe is the overspray on the connectors. How much effort does it take to mask them off...
When you're making 100's of them, the cost of the tape starts to actually play in account. Plus its not like you actually see them... the spray is just to seal up the 3d printed part. I used to tape them up but found it took far too long. Now I'm actually printing them in ABS and just using some sealant at the joints and not spraying them at all.

Remember these are home made, not some official production. ;)
 

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2020 Chevy Blazer Premier / White Pearl Tri-Coat / V6 / AWD
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I have a 2022 and it doesn't affect anything adversely. It simply keeps your DRLs brighter all the time and it affects nothing outside of that. Definitely a worthy upgrade.
Did it make your tail lights and side markers come on/stay on in the daytime when the DLR's are on, as advertised?
Do you have the intellibeam option that comes in the driver confidence 2 package?

Also I'm concerned if having it on there, will void my warranty in any way.
As I've a 7 year, 100K mile policy and don't want to give them an out for any reason.

It sounds great, just being careful. Thanks for the reply and assist.
 

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2022 Blazer RS V6 - Black
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Yes, I have the Confidence and Convenience package. I think I got everything you can get package-wise. The only thing I'm missing right now is the chip for heated seats, and that should start rolling in the next couple of months, or so.

I don't use the Intellibeam feature, but this adapter only affects the Daytime Running Lights. It has nothing to do with the headlights. It is simply a plug-and-play module that plugs into the harness between the light side of the harness and the harness on the backside. Takes literally 5 seconds to install.

The seller has two types for sale. One, which only affects the DRLs themselves, and one which affects the DRLs and the other lights in the rear and side markers. I didn't want all my lights to stay on in the daytime, so I only opted for the DRL version. I didn't want premature wear on all those bulbs by them on all the time day and night. Keep in mind, if the lights are in "Auto Mode", they will all come on automatically once it's dark enough. However, some may enjoy having all their lights twinkling during the day because it looks good. I think that looks good, too, but it's also premature wear on the bulbs. That's why the seller has two versions.

I would wager that when you take the vehicle in for any service, they wouldn't be able to point out the mod simply because it looks factory. It's very well thought out. If you have any concerns about warranties being voided, just unplug them before you take it in and revert back to standard. After you're done, plug them back in.

The same can be said with the AFM Disabler module. Simply unplug it when you take it in for service, and then plug back in once you're out of there.

* By the way, love your garage setup.
 

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2020 Chevy Blazer Premier / White Pearl Tri-Coat / V6 / AWD
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I was wondering about the extra lights being on all the time too. I didn't know he had 2 types. Thanks for the heads up.👍
I'll have to look around for the other second type with DRL's only. I'm not up on this stuff, what's a AFM Disabler module?
I can do race cars, but this Electronics/moduler stuff is new school to this old days guy.🙄

You're correct, I can do the plug/unplug stuff.
Glad you love my toybox, it's a work in progress. I'd post up more of it, but don't want to step on peoples threads.

Thanks again for the assists, very helpful.😎
 

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2022 Blazer RS V6 - Black
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Keep in mind, the member on these forums is the seller of either of these adapters for your DRLs. His name is Konfucious and started this thread. You can get either adapter from him. There is a link provided to purchase them.

The AFM (Active Fuel Management Disabler) is a module to keep these GM engines from oscillating back and forth from V6-V8 to V4. GM made these engines with AFM and it has ruined many GM engines out there. Google AFM issues and you can find a wealth of people that have succumbed to the horror of AFM. There are a few providers that offer this AFM disabler module that you plug into your OBD II port under the steering wheel column. It doesn't reprogram the ECU, yet simply tells the ECU to stay in V8 or V6 mode all the time. If you have a V8, then it tells the ECU to stay in V8 mode and not deactivate the four cylinders taking it down to V4. Same with the V6. It keeps it in V6 instead of allowing the AFM system to take it down to V4. This system is supposed to be a fuel-saving measure but it does more damage than its worth. By the AFM system shutting down cylinders like that, it wreaks havoc on those cylinders that get shut down and cause lifter issues and other damage. There is much-documented evidence of this and many testimonials about it. It is a real thing.

After a bunch of reading about this, I have ordered a module and should receive it on Wednesday. I haven't experienced any issues with the AFM system, but I just don't want to have issues down the road with lifters and cylinders. The cost of the module outweighs the cost of repairs down the road. Nice peace of mind.

There is a company called RANGE, and they have these disablers. However, they are pricey from this company. I purchased mine from Amazon and it's called GTMOTOR AFM RA003. It'll run you around $115.00. The RANGE AFM DISABLER I'm sure is equally good, but it will run you around $207.00. They both do the same thing, so after much reading on both of them, I went with the cheaper version. I actually called Range yesterday and spoke with them about theirs. They said they didn't have a tested one for the Blazer yet, so it would be a beta test if you bought one and used it and they wouldn't warranty it. I think there may be a member, or two, here on these forums that got the Range, but I don't know any feedback on it yet. The GTMOTOR version has been tested and proven for the Blazer, and there are some reviews on it out there. Both versions do the same thing, deactivate the AFM and keep the motor in either V8 or V6 without it oscillating back and forth to V4.

I'm sorry this was so lengthy, but I wanted to give you what I know and have done/doing. I have not used the AFM disabler yet on my Blazer, but from what I'm reading, it does what it is supposed to do and has no adverse issues with anything else in the vehicle. The only thing I have heard, and this is from owners that have V8 motors, is that it may have affected their gas mileage by 1 to 1.5 MPG to the downside. Most owners have said that it improves the pickup of the vehicle and has made it a bit more responsive. This report seems to be a negligible effect though. It's not something you'll be overwhelmed with. Nevertheless, it is positive, and that's ok with me.

You'll love the DRL adapters and I highly recommend them as a minor upgrade mod for your rig. I'm also getting ready to upgrade my HID headlights to LED. There is a member that posted a link to LUCAS LIGHTING where you can find those LED bulbs. I haven't pulled the trigger on those yet and probably won't until next year. They are pricey, around $299.00 for two, but the member here that mentioned them posted pics of them installed at night and it is a huge improvement. The only thing about those bulbs is you'll need to access your headlight assembly and be sure you can change the headlight bulbs. They may be sealed. You can replace the blinker bulbs with LEDs, which I have. So, before you order the LEDs for the headlights, be sure you can access the housing and change the bulbs out.

All of what I've talked about now is on these forums. Just run a search and you'll find these conversations.
 

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2020 Chevy Blazer Premier / White Pearl Tri-Coat / V6 / AWD
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Wow! Thanks for all this. I'm doing some searches now.
I'm not sure how much of this I'll do/need, but thanks for the heads up on it all.
We've a 7 year/100K miles warranty and it's for my wife, who is an easy driver with maybe 6-7K miles a year of use.
I'm going to look into the DRL only deal with him though.
Thanks again. Jean
 
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