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Old 04-15-2019, 01:52 PM   #1
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BLUEFIRE question.

On there site the sell several versions of the bluefire. there are a few differences but I don't know which one is right for me. I intend to buy a dedicated cheap 7 or 8inch tablet (android).

https://bluefire-llc.com/store/9-pin...j1708-adapters

The differences are "bus speed" 250k or 250k,500k and bluetooth 2.1 classic or low energy.

advise guidance appreciated.

have the day off but too tired to work on the bus so I might remove the instrument cluster and work on soldering the old connections.

Thanks
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Old 04-15-2019, 01:53 PM   #2
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The connector

20190412_132904.jpg
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Old 04-16-2019, 10:15 AM   #3
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Old 04-17-2019, 08:49 AM   #4
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The engine runs on what is called a “can bus” communication network.

A can bus runs on different baud rates and this connector is just letting you know it can run on multiple communication baud rates
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Old 04-17-2019, 09:01 AM   #5
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that connector on navistar was often put in as a way for shops to program both the trans and engine..



navistar didnt start using J1939 for the main engine interface until the MaxxForce stuff in 07/08, however the 9 pin standard allows for the pins for both 1708 and 1939 to be populated.. the J1939 pins are wired to the ECM and if an electronc trans is present, the CAN 1 on it's TCM.. and the shift panel (on a 3060).. ive not tried a bluefire on the 1939 wires.. or if the bluefire 9 pin will read the J1708 wires or not..



when I plug a Nexiq into the 9 pin on a navistar, I have to select J1708 to program the engine... if I use my allison software I select the 1939.. only thing I know is to try it with the J1939 version of the bluefire..

-Christopher
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Old 04-17-2019, 10:51 AM   #6
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Quote:
Originally Posted by Mgulley82 View Post
The engine runs on what is called a “can bus” communication network.

A can bus runs on different baud rates and this connector is just letting you know it can run on multiple communication baud rates

Thank you.

So it does not matter if I get the 250K or the 250K/500K.... either will work correct?

I am not an apple IOS guy so I just need to figure out which of the 2 I need to buy. OR...... the IOS one has "low energy" Bluetooth vs. 2.1 classic. is that a big difference? just a few more dollars.
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Old 04-17-2019, 10:57 AM   #7
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Quote:
Originally Posted by cadillackid View Post
that connector on navistar was often put in as a way for shops to program both the trans and engine..



navistar didnt start using J1939 for the main engine interface until the MaxxForce stuff in 07/08, however the 9 pin standard allows for the pins for both 1708 and 1939 to be populated.. the J1939 pins are wired to the ECM and if an electronc trans is present, the CAN 1 on it's TCM.. and the shift panel (on a 3060).. ive not tried a bluefire on the 1939 wires.. or if the bluefire 9 pin will read the J1708 wires or not..



when I plug a Nexiq into the 9 pin on a navistar, I have to select J1708 to program the engine... if I use my allison software I select the 1939.. only thing I know is to try it with the J1939 version of the bluefire..

-Christopher

Thanks Christopher. Just need to figure out which one to buy now.
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Old 04-17-2019, 11:17 AM   #8
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I had the same question. Which one?
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Old 04-17-2019, 09:07 PM   #9
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I had the same question. Which one?
Yeah Steve..... which one?
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Old 06-12-2019, 07:24 AM   #10
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Tracking
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