» » »

Dodge Q&A

Ask Your Question

1994 Dodge Ram 2500 Question: crankshaft sensor



Visitor, Diesel, Jackson, MS, May 09, 2010, 17:51

will not charge, tack does not work,trans does not shift correctly,friend read an article,said to check the crank sensor or engine speed sensor,how do you check

2 Answers
Flag This
  • Answer #1

    May 09, 2010, 21:46

    alternator may be the reason for not charging, instrument cluster amy be an issue with the tac, assuming the truck runs, the shifting could be a tps sensor not sending proper signal to trans module. lot of problems at one shot. did they all fail together or over a period of time?
    the crank sensor is above the starter motor on the bottom drivers side of motor.


    Flag This
  • Reply

    Visitor, May 13, 2010, 21:29

    Roy thanks for the try,but alt. puts out 32V. this is a deisel, so the crank sensor is above the balancer.Don't know if everything started at the same time,my dads truck.Also the a/c comp will not get power

    Flag This
  • Medium-star Best Answer
    Visitor, June 27, 2010, 20:05

    I had the same problem, replaced the crank sensor (engine speed sensor) and tach works, and alt charges. PCM needs engine speed input to turn on the alternator. It is located at the front of the engine, at the harmonic balancer. Also, make sure the air gap is correct when you change it. I used a matchbook cover.

    Flag This