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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: richcur on October 13, 2008, 10:28:48 pm
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any suggestions? can not get a spark on the old dully. have changed the coil and controll module, have cleaned the cap and the rotor, just a thought would the neutral safety switch cut off the spark? does this truck have any sort of computer, please suggest the next step to try
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Are you getting power to the coil?
What kind of module are you using?
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Verify you have B+ to the coil. If the module is good check the pick up coil. unplug it and measure it's resistance.
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neutral safety switch has nothing to do with it as long as you can turn the keyk all the way. There are no wires on that switch.