Sr20 no spark help needed

[Willyp-s13]

I'm have trouble starting my 180sx when I turn the key their is no spark. The voltage is fluctuating up and down between 2 volts to 12.6 I have earthed the car from a few place no difference and have checked starter, alternator, ignition, battery. The only thing is it will jump start of another car and it will push start. Kinda lost for ideas help needed thanks

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[Tucker240]

--Deleted--

[Willyp-s13]

It does turn over and it decently is not getting spark when I turn the key their is no power at the coils and when you jump start or push start their is power

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[s13silvia123]

check battery, grounds, ignition fuses, then go there on to ignitor to CAS then to timing

[Willyp-s13]

We have checked all of them

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[Willyp-s13]

Got sorted was a stretched wire in the loom

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