PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Anyone clarify this for me??

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Old Nov 3, 2009 | 09:52 PM
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shtnfrds's Avatar
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Default Anyone clarify this for me??

I have HPT Pro, just bought the LC1 kit. looking into hooking it up and i read about going thru the EGR signal.
Then i read something about how you dont have to do that if you have HPT Pro.
Have I been chasing my tail?!?

i see the wire diagram showing how to hook the LC1 up to the interface with the BROWN wire into the HPT interface. and also running a ground wire to the common ground used for the system, heater and pushbutton calibration ground.

SO... can I just forget about the hassle of running wires to the pcm??
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Old Nov 3, 2009 | 10:39 PM
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I had an LC1 before I switched to an AFX.

If you have the pro version of HPTuners, you can connect wires to the side of the box. First 4 are inputs, middle 2 are grounds, last 2 are programmable outputs. You need to connect one output wire from the LC1 to one input on the HP box. I would connect it directly like this if you have the pro version.

If not, There is a way to connect the wideband to the PCM via a not used 0-5V input like the EGR. Since I had the pro version I never need to do this.
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Old Nov 3, 2009 | 11:29 PM
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good, exact answer i was looking for. i REALLY didnt want to rune my wires all the way to the pcm.
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