Chip install question - Diesel Forum - TheDieselStop.com
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 9 (permalink) Old 06-17-2019, 07:27 AM Thread Starter
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Chip install question

Just ordered a Hydra chip for my 01 Excursion with 7.3 and because it's new to me, I'm not really sure if it currently has a program in it or not. I can tell the PCM has been out because the rubber cover is missing and there's a zip tie around the PCM and case. I can see there is no chip currently attached to the PCM, but I don't know if there has been something loaded. So my question is do I have to have the PCM cleared before I add the Hydra or will the install over ride any program that may have been loaded? Thanks
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post #2 of 9 (permalink) Old 06-17-2019, 07:54 AM
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I think it will override anything there...just hope you match the codes when programming the new chip.

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post #3 of 9 (permalink) Old 06-17-2019, 07:58 AM Thread Starter
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I think it will override anything there...just hope you match the codes when programming the new chip.
What do you mean by matching the codes?
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post #4 of 9 (permalink) Old 06-17-2019, 09:02 AM
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What do you mean by matching the codes?


You need the computer code it was on the plastic plug that plugs the bottom of the computer this is my computer code plug. Chip install question-img_2050.jpg


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post #5 of 9 (permalink) Old 06-17-2019, 09:20 AM Thread Starter
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Gotchya. The rubber plug that's visible from the outward facing side of the PCM is missing. I'll be pulling the PMC to install the chip, so hopefully its on the box somewhere.
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post #6 of 9 (permalink) Old 06-17-2019, 10:53 AM
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You really need the code so that they can program the chip to what your truck has in it such as a automatic or manual transmission.

Have you ordered your chip yet, and where did you order it from? Did they ask you if it was for a manual or a automatic transmission?

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post #7 of 9 (permalink) Old 06-17-2019, 11:10 AM Thread Starter
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I ordered the Hydra from Riffraff Diesel for an auto tranny. I know I need the code and understood I needed to pull the PCM to get access to it. The user can program the chip by computer using their software.
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post #8 of 9 (permalink) Old 06-17-2019, 11:20 AM
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I ordered the Hydra from Riffraff Diesel for an auto tranny. I know I need the code and understood I needed to pull the PCM to get access to it. The user can program the chip by computer using their software.


Ya you just down load hydra flash on to a laptop and hook up the usb cable that is attached to the chip all ready to the laptop and load the tune to the chip. I loaded a new tune last night.


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post #9 of 9 (permalink) Old 06-19-2019, 12:57 PM
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If you're pulling the PCM out, the code will also be on a sticker where the harness connects in front of the firewall. There's also a sticker on the driver's door hinge (A pillar), but those typically weather enough to be unreadable in short order.

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