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No rpm readings

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Old May 5, 2007 | 08:51 AM
  #1  
Firebird sweden's Avatar
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From: sweden
Car: Firebid Cab-92/1989 TTA
Engine: 383 HSR TPI
Transmission: TH700r4
Axle/Gears: 4.10
No rpm readings

Hi!
I have just installed aMSD 6al ignition box.
And the car runs but the rpm meter does not work after that,i have tried to put the old ignition coil back but still no rpm speedo.
Can the ecm have been damage?
Thanks for any replay.
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Old May 5, 2007 | 09:09 AM
  #2  
Firebird sweden's Avatar
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From: sweden
Car: Firebid Cab-92/1989 TTA
Engine: 383 HSR TPI
Transmission: TH700r4
Axle/Gears: 4.10
Re: No rpm readings

And one more thing,were does it get it readings from,the distributor?
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Old May 20, 2007 | 05:14 PM
  #3  
Crazy 84 Z28's Avatar
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Joined: May 2007
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From: Austin Texas
Car: 1984 Z28 Camaro
Engine: 305 H.O. 72,000 original miles
Transmission: 700R4
Re: No rpm readings

It should read the rpms from the side of the dist. Your ECM should not have been damaged.
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Old May 21, 2007 | 12:33 AM
  #4  
Firebird sweden's Avatar
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Joined: May 2002
Posts: 260
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From: sweden
Car: Firebid Cab-92/1989 TTA
Engine: 383 HSR TPI
Transmission: TH700r4
Axle/Gears: 4.10
Re: No rpm readings

Hi!
I got it working today,it must have been a bad connection,sence i replaced the wires it start to work again.
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