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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Viper 5900SST Remote Start ?

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Old Nov 7, 2007 | 10:30 AM
  #1  
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riggz
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From: Dunwoody, GA
Viper 5900SST Remote Start ?

The remote start in my 6.0L is acting strange. When I try to remote start it and the engine is cold it will run the starter for about .4 seconds regardless of how long I have it set for. It will usually start on the 3rd try but then will shutdown sometimes about 10seconds later. The shutdown diagnostics shows low or no rpm. I have it connected using the RPM wire designed for the PTO and it learned the tach but still has issues. Anyone install these things or can give some input?

Thanks!
 
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Old Nov 7, 2007 | 10:37 AM
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There should be a jumper on the side of the Viper brain for TACH THRESHOLD, move it to the LOW setting, then reprogram the tach, but elevate the RPMS to 1800.


ECG
 
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Old Nov 7, 2007 | 10:52 AM
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Oh hah. I saw that earlier and thought I read that it was for the voltage setup. I'll go try that. Thanks!
 
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Old Nov 7, 2007 | 01:15 PM
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the 6.0 has a weak tach signal. you need a ford tach signal booster p/n 102818-2. mine did same thing after i installed it or you could set it to a timed crank mode if your viper has this feature only problem is it can grind your starter like this.
 
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Old Nov 8, 2007 | 02:02 PM
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Originally Posted by johnny567
the 6.0 has a weak tach signal. you need a ford tach signal booster p/n 102818-2. mine did same thing after i installed it or you could set it to a timed crank mode if your viper has this feature only problem is it can grind your starter like this.
sorry that part # wont work the new p/n is 5c3z17c304aa
 
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