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ECM Constant B+ w/Kill Switch

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Old 11-07-2011, 09:46 AM
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Default ECM Constant B+ w/Kill Switch

I have a crate LS376/480 engine and electronic control system. Problem I'm having is everytime kill switch is turned off it also cuts power to the ECM and has to re-learn. Does anyone know the color/location of the B+ wire giving the ECM power? i want to feed a fused constant wire to it directly from the battery. Thanks much!
Old 11-07-2011, 11:28 AM
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The orange wires at pins 20 and 57 of the blue PCM connector both carry constant (battery) voltage.
Old 11-08-2011, 08:21 AM
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Originally Posted by WhiteBird00
The orange wires at pins 20 and 57 of the blue PCM connector both carry constant (battery) voltage.

Thank you very much!




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