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Q: no spark. Cranks but won't start. Can not get it to start on 1994 Dodge Ram Van B250

I have replace several things on this van. There is no spark. I replaced the crank sensor, ASD relay, ignition coil, ignition relay, contact, Battery, Distributor, ect. You name it.. I also checked the obvious things like fuses. Used a tester. There is no spark. I can not think of Y???? I have read in many places that this is a common issue. I don't want to have to buy a new ecm. There expensive and a lot of people have said they did that and it still didn't fix the issue.
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Well since you are throwing parts at it may as well try an ign. coil resistor. I think this year has this, not sure.
Also wiggle test ecm harness and connector with key on to see if stuff starts clicking ect. Did you try a scan test?
Reman. ecm not that expensive if needed as you have already spent a bunch! Check eng. light on with key on?
Fuse links near battery all good? Key on remove asd and put it back does it click? Ecm guounds it. And does the fuel pump run?
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