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Range Technology has a start stop module that plugs into the OBD port. Their website doesn’t list the ‘19 Blazer, but I called and spoke to them and they guarantee it to work, saying the 3.6 engine is still the same, so I ordered it and installed it today, works perfect, just like they said. Range Technology has it listed for $199, and has a pop up discount for 10% off plus free shipping, but Auto Anything is an authorized dealer/supplier and have it listed at $144 with free ship or $5.95 overnight fed ex. Hope this helps, didn’t want the Trifecta download to the ECU, and was waiting for Steve at smartstopstart.com, but he didn’t have a timeframe for completion.
 

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renewing an old discussion, the blazer does have a disable feature. Shift to N.
some might find it inconvenient, but your hand is right there, or like me, resting on it. What's a flick of the wrist?
tested it every time I'm out driving, never goes to auto-shutoff if it's N.
 

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My 2020 has a start/stop disable button, but it has to be pressed every time you drive (key cycle). Would be nice if it was constant through trips (key cycles).
 

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Range Technology has a start stop module that plugs into the OBD port. Their website doesn’t list the ‘19 Blazer, but I called and spoke to them and they guarantee it to work, saying the 3.6 engine is still the same, so I ordered it and installed it today, works perfect, just like they said. Range Technology has it listed for $199, and has a pop up discount for 10% off plus free shipping, but Auto Anything is an authorized dealer/supplier and have it listed at $144 with free ship or $5.95 overnight fed ex. Hope this helps, didn’t want the Trifecta download to the ECU, and was waiting for Steve at smartstopstart.com, but he didn’t have a timeframe for completion.
Good to know the Range disabler works. Which one did you buy since they still don’t have one for a Blazer. And is it still working? And side effects? Thanks much. Steve
 

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Good to know the Range disabler works. Which one did you buy since they still don’t have one for a Blazer. And is it still working? And side effects? Thanks much. Steve
Still working perfectly, zero side effects. Just pull up the list of Chevy vehicles and pick one for the 3.6 motor.
 

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You can disable the start/stop feature in the 2019 Blazer by opening the hood, starting the engine, then closing the hood. When this is done before driving, the engine will not stop when you are in traffic, at a light, or stop sign. Works every time!!
 

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I posted in another thread also but cant find it now. I stopped at a traffic light the other day, the Blazer shut off. I realized it was stuffy so I pushed the temperature down button (HVAC screen displayed) and the vehicle started. Odd? I tried again at the next stop light, the action repeated. I think it is odd but I have been able to reproduce it 5/6 times. Also works by turning the temperature knob down. Just another odd programming item for auto start/stop.
 

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So I have a 19 RS and noticed when pulling a trailer the vehicle does NOT shut off when stopping ....... So I just leave a 6 flat to 4 flat adapter in the trailer plug and this son of a bitch hasn't shut off since !!! Works for me , I almost traded it back in until I got this to work
 

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Hi NoGovCheese...this fix sounds great...where do you get the adapter.....I have checked around and can't find one....is it a custom cable...thx
 

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So I have a 19 RS and noticed when pulling a trailer the vehicle does NOT shut off when stopping ....... So I just leave a 6 flat to 4 flat adapter in the trailer plug and this son of a bitch hasn't shut off since !!! Works for me , I almost traded it back in until I got this to work
do you have to leave it in towing mode?
 
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