1989 Chevy Camaro no pulse to fuel injectors

1989 CHEVROLET CAMARO
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CRAZY)_YANKEE626
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Electrical problem
1989 Chevy Camaro V8 Two Wheel Drive Manual

i have a 89 chevy camaro iroc-z with a 350 TPI motor and a 5 speed trans. i have replaced distributor, modulal, pick up coil, computer, traced all the wires, oil presure swithch ( gage reads about 35 psi ), tested fuel pressure ( 50 psi on fuel rale when rolling over), all fuses are good, and the injectors have constint power but has no pulse to them. i have used a noid light and it does not flash. what else could be the problem with the injectors not haveing pulse be. motor will run if you spray gas into the intake.
Mar 3, 2010 at 5:27 PM
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BMRFIXIT
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what do you have for TPS volts
Check ECM grounds are clean and tight
Mar 3, 2010 at 5:51 PM
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CRAZY)_YANKEE626
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what shold the tps volts be at
Mar 3, 2010 at 8:46 PM
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BMRFIXIT
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.5 volt with throttle closed and 5.0 volts at wide open throttle
Mar 4, 2010 at 6:03 AM