Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

Rough Startup '88 IROC

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Old Aug 31, 2004 | 09:20 PM
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Pdiminico's Avatar
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Joined: Aug 2004
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From: Hillsborough NJ
Rough Startup '88 IROC

Ok, A1 is not lighting up when I put the test light direct to A1 on the ECM. when I turn the key to the "run" position, the test light never lights up. Is it possible that this is the only ECM pin that would fail?

Ok, so if I install a switch that would feed 12 volts from the orange wire to the green/white wire on the relay that should allow the fuel pump to run until the car Starts.

Any thoughts?
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