PCM Diagnostics & Tuning HP Tuners | Diablo | Pantera EFI

no motor.. can i power up the ecm?

Old 09-08-2014, 07:15 PM
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Default no motor.. can i power up the ecm?

ls swapped 240..

the engine harness is completely disconnected from the motor. i want to power up my ecm. can i do that, without messing anything up??

i want to see if i can calibrate a gauge and make sure it works.

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Old 09-09-2014, 09:43 AM
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If you have power you can turn the ECM on. It would be like bench flashing.
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Old 09-09-2014, 10:06 PM
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You can, but there are 3 engine grounds you need to hook to something else, like the frame
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