PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

BS3 and stock guages

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Old Jun 2, 2005 | 02:02 AM
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Default BS3 and stock guages

Does the Big stuff 3 use the stock dash guages?
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Old Jun 22, 2005 | 02:23 PM
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https://ls1tech.com/forums/showthrea...ht=Big+Stuff+3


yes, if you hadn't searched and found it by now.
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Old Jul 4, 2005 | 04:46 AM
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Searched, but looks like the BS3 still needs the facotry PCM, or at least the car needs it. Not wanting to use piggyback, just pure standalone.
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Old Jan 3, 2010 | 08:06 PM
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anyone know if this is possible. i have no stock pcm in the car but would like to use the stock dash. anyone know how.
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Old Jan 16, 2010 | 03:47 AM
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ttt tt pcm needed?
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Old Jan 16, 2010 | 11:26 AM
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To run the factory gauges you will need you factory pcm. Do not hook up anything from the factory PCM to your BS3. I run the factory gauges with the stock PCM and my BS3 runs the engine.
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Old Jan 16, 2010 | 11:30 AM
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how much wiring is needed to run the pcm. i have ripped it all out and rewired a 19 circuit back infor the basics. i could put back what i need but what all is needed to get the pcm up and running?
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Old Jan 17, 2010 | 05:17 PM
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What I did was leave the temp sensor,oil pressure sensor,altenator wiring hooked up and removed all the rest of the wires that were in charge of running the motor. So that way the remaining wires in the ECU were still wired up to the dash. If you removed everything you need to get a pinout chart and go from there to get everything back to run the factory gauges.
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how did you do your speedo?
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