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HELP!!! won't start no crank signal

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Old Jun 13, 2007 | 02:26 PM
  #1  
89N10GTA's Avatar
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From: Rhode Island
Car: 1989 GTA
Engine: 355 with Super Ram
Transmission: 700R4
Axle/Gears: 3.73 10 bolt with a True-trac
HELP!!! won't start no crank signal

i'm lost i have an 89 gta 5.7L as everyone knows L98 tpi. long long story short i have no crank signal. i have replaced ECM and ING. module. with the scan tool hooked up (when it reads) it's doesn't see rpm durning cranking. i have checked all the wiring and no opens or bad grounds. i replaced EMC because with a test light when i put power to term C in 4 prong ING. module still get no signal. when i spray carb cleaner down it's throat it will start and run just not great. i'm hoping somebody can help.

Thank you
Paul
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Old Jun 13, 2007 | 02:31 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: HELP!!! won't start no crank signal

Have you checked the pickup coil in the distributor?
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Old Jun 13, 2007 | 02:35 PM
  #3  
89N10GTA's Avatar
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From: Rhode Island
Car: 1989 GTA
Engine: 355 with Super Ram
Transmission: 700R4
Axle/Gears: 3.73 10 bolt with a True-trac
Re: HELP!!! won't start no crank signal

i have and it test good and will read rpm when it is running.
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Old Jun 13, 2007 | 02:37 PM
  #4  
t5camaro's Avatar
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Joined: Apr 2006
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From: The Valley Texas
Car: 1991 Camaro
Engine: 355TPI
Transmission: T-5
Axle/Gears: 3.27
Re: HELP!!! won't start no crank signal

How did you check the pickup coil? did you put the voltmeter on AC?
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Old Jun 13, 2007 | 02:42 PM
  #5  
89N10GTA's Avatar
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From: Rhode Island
Car: 1989 GTA
Engine: 355 with Super Ram
Transmission: 700R4
Axle/Gears: 3.73 10 bolt with a True-trac
Re: HELP!!! won't start no crank signal

i had it on ohms and alldata says 500-1500 ohms is right. now if it was bad would i see rpm when the car is running?
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