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Jerry, Master Mechanic
Category: Dodge
Satisfied Customers: 1753
Experience:  ASE Master tech, 30 years exp. troubleshooter, driveability tech
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have 97 dodge 3500, cummins engine, auto. transmission; problem

Customer Question

have 97 dodge 3500, cummins engine, auto. transmission; problem ; tachometer, charging system, transmission shifting work only if; with key on unplug wire tail on speed sensor & reconnecting. will work till engine is shut off by key . cummins part#(NNN) NNN-NNNNspeed sensor was put on truck 3 weeks ago new.
Submitted: 8 years ago.
Category: Dodge
Expert:  Chris replied 8 years ago.
Hello and welcome to Just Answer Dodge. First of all, did this problem happen before the new speed sensor was installed? The pcm in the truck controls charging, transmission, a/c, etc. Something with the pcm and / or it's various systems. The speed sensor is connected to the pcm. Did you replace the speed sensor for this complaint or for another reason?
Customer: replied 8 years ago.
cancel; increased 50 th. cleance on speed sensor; now both old and new speed sensors make every thing . thank you anyway, maybe next time. the tree mmover.
Expert:  Chris replied 8 years ago.