Thread: 81 c30.....5.3
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Old 01-11-2015, 03:35 PM   #4
low82c10
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Join Date: Mar 2012
Location: Chandler Arizona
Posts: 104
Re: 81 c30.....5.3

Quote:
Originally Posted by BP Automotive View Post
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
Just checked pin 19 for switched that works as it should.

Check 20 and 57 for constant and that's there.
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