Car would not crank, replaced distributor cap and rotary button, coil and crank sensor and mass flow air sensor and still won't crank. Has power at the coil and distributor, no fire. Help needed.
As long as your getting power at the black/red wire at the coil (battery power when the key is swtched to the on/run position, I would check the ignition control module. I think Nissan calls it a power transistor. In any case it is mounted on a bracket attached to the air filter housing (see picture below). the bottom picture is a picture of the connector/plug at the module. Using an ohm meter check terminal A & B on the module. If you any resistance at all the module is good. If you get 0 ohms then it is bad of course. Those units are about 100 dollars and it sounds as if you are spending money on parts that aren\'t needed. Nissan is pretty good about testing procedures on thier elctrical componants so I would suggest diagnosing completely and then repair once and for all. If you find this unit is good and you need more testing procedures you can reply/comment here and I\'ll do my best to help figure this puzzle out. Hope this helps.......
How about starter,battery connection.battery have to be good 12.5V.
I don't know what make, model , year or motor size , dodge you are working on but.....you need too check for a burnt fusible link wire...that would be my guess... unless I have more info??
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Oops forgot the picture of the plug....here you go
Picture not wanting to post...Think I got it
Finally!
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