crank trigger ignition

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crank trigger ignition

Post  foxbody on September 23rd 2016, 10:30 pm

car died after burn out turns over no start crank trigger msd7al3 box pro billet dist now lets get all the hate mail out of way now got car complete know nothing about this system car is bbf 605 1200 hp 500 shot nitros havent sprayed yet getting used to car first but now need help there is 2 wires coming out of dist they are not going to anything all the diagrams it seams that it hooks to same wires as crank sensor anybody help me with this?

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Re: crank trigger ignition

Post  studly on September 23rd 2016, 11:51 pm

You could use the wires coming out the distributor to see if your sensor is bad just plug the wires goin to the cran trigger into the wires on the distributor
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Re: crank trigger ignition

Post  studly on September 23rd 2016, 11:57 pm

I am assuming you knew that whoever had the car before you used a regular distributor and added the crank trigger that is why the distributor has wires it will work by using the distributor or crank trigger if the car starts with it plugged to the distributor instead of the crank trigger it is probably a bad sensor on the crank trigger
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Re: crank trigger ignition

Post  BigDave65 on September 24th 2016, 12:26 pm

^^^^^^ What he said, just make sure to double check your timing if you connect the distributor!
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Re: crank trigger ignition

Post  foxbody on September 24th 2016, 8:14 pm

thanks for all the advice if it starts ill shut down and repair sensor just wanting to find out why it wont fire hope its not serious and yes the rotor turns with motor

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Re: crank trigger ignition

Post  68formalGT on September 25th 2016, 1:37 am

Did you ohm out the sensor or check the gap to wheel? I got this off MSD's sight. I had a bad pick up in my distributor and it ohmd out bad.

Bad Crank Trigger Sensor
A faulty Crank Trigger can prevent a MSD Ignition from firing. You can check a Flying Magnet Sensor by checking the resistance between the Violet and Green wires, it should measure 65-90 ohms Resistance.

Check Air Gap on Sensor
Air gap on the Crank Trigger Sensor should be between .050 Min to .080 Max gap.

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Re: crank trigger ignition

Post  foxbody on September 28th 2016, 11:37 pm

thanks for all the help ohm the sensor out zero ohms hooked to dist and it started new sensor coming from msd but the bracket is rubbing on the magnet wheel so i need to fix that and reset the timing but all is well thanks again for all the help

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Re: crank trigger ignition

Post  BigDave65 on September 29th 2016, 2:21 pm

They will go bad from time to time. They can cause a skip also. Glad that's all it was!
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