Question about Dodge B Series Cargo

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I have a 1990 Dodge Ram B250 conversion van the problem is the check engine light is on ran computer code to find out the problem. the engine is a 318 have a problem with the charging system have replaced the computer had the battery,alternator checked out o.k. getting fault code:1-2-40-1-5-5 what does this mean since there are no scanners available to read the computer code on this model year the van dies will not start until jumped, and it repeats the problem all over again HELP!!!!!

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The numbers are 12, 41, 55
12- direct batttery inut to controller disconnected within last 50 ingnition key-on cycles
41- alternator field circuit- an open or shrted condition detected in the alternator control circuit.
55- final code - indicates the end of the scan codes

I've replaced the alternator and checked all the wiring still can't find the solution. I've posted to find out if the alternator control circuit can be repaired.

Posted on Dec 30, 2008

  • rwil Dec 30, 2008

    also, an OBD 1 scanner works on these.

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1990 fuel pump system is bad. Can't find one. Could u used 1991-1993 fuel pump system.

Posted on Apr 06, 2016

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