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**BP Automotive** · 01-11-2015, 12:57 PM

Sounds to me like you have lost power to the pcm, coils, or injectors. Most likely power to the pcm.

You can check PCM Connector Blue 19 for switched ignition power. Then Blue 20 and 57 for constant battery power.

Was the harness a new harness or a rewire?

Bill

01-11-2015, 12:57 PM	#2
BP Automotive Registered User Join Date: Jan 2015 Location: Columbia, KY Posts: 26	Re: 81 c30.....5.3 Sounds to me like you have lost power to the pcm, coils, or injectors. Most likely power to the pcm. You can check PCM Connector Blue 19 for switched ignition power. Then Blue 20 and 57 for constant battery power. Was the harness a new harness or a rewire? Bill