Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

did the bypass still won,t crank

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Old Dec 23, 2010 | 04:53 PM
  #1  
cspawnkillu's Avatar
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did the bypass still won,t crank

i did the resistor in the white wires the right way,still no cranking i did hear the fuel pump now come on. i heared the security light needs to be flashing my just stayes on. if anyboby has had this please let me know what to look for.
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Old Dec 23, 2010 | 08:49 PM
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: did the bypass still won,t crank

Fuel pump not related to VATS

Have you hotwired your starter to confirm it actually works?
Bypassed the starter enable relay to see if it is faulty?
Checked the clutch safety or P/N switch to see if it is working?
Confirmed you have 12V on the starter circuit out of Ign switch when in start position?
If you have faults with any of the above ,your engine won't crank regardless of what you have done to the
VATS system ( bypassed )
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Old Dec 25, 2010 | 03:08 PM
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Re: did the bypass still won,t crank

i did not check the starter how do you do that without taking it off. [hotwiring it] and what is the p/n switch, and i will look for the starter enable relay on my 92 firebird, sorry i don't know alot about this stuff.
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Old Dec 25, 2010 | 05:18 PM
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vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: did the bypass still won,t crank

Originally Posted by cspawnkillu
i did not check the starter how do you do that without taking it off
Put car out of gear/ park brake on ; connect a wire to starter solenoid ( small purple wire at starter ) and touch on the batt +.
If starter is working it should crank engine.
If it doesn't then your starter has a fault ( not a wiring to starter problem )

Originally Posted by cspawnkillu
what is the p/n switch,
The switch on the auto shifter that stops you starting engine in gear ( or on the clutch pedal for stick cars )
See
https://www.thirdgen.org/forums/post...079-post3.html
................................................
Typical GM starter circuit
As you can see ,the power has to go from the Ign switch to starter.If any part not working then engine won't crank


Last edited by vetteoz; Dec 25, 2010 at 05:25 PM.
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Old Dec 25, 2010 | 05:22 PM
  #5  
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: did the bypass still won,t crank

Originally Posted by cspawnkillu
i will look for the starter enable relay.
https://www.thirdgen.org/forums/post...038-post5.html
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Old Jan 2, 2011 | 08:36 AM
  #6  
cspawnkillu's Avatar
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Re: did the bypass still won,t crank

i pulled the goo back but nothing there but under my dash looks like what u are talking about.
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