1st gen speed sensor
#11
does anyone else out there use an hr meter...if so what would be a good # to do oil changes at ......since iv had the truck/last rebuild.. bin doing 3500K w/filter using rotella oil....I will be taking readings with a meter this week-end on a 90 1st gen that's VSS is working and compare to mine.....If i find anything will post how to and what reading you should get across wires back to dash....Im leaning towards ECM ng
#14
#15
#16
so if the ecm goes bad then your mph and odo both quit working?? Because my mph work but the trip odo and the actual odo quit working at 201,xxx I no my truck has it fair share of electrical issues but don't really know what that would not work also the 4wd indicator light the wait to start and the water in fuel light do not work low fuel works the temp gauge bounces around after it's warm thanks for any help by the way it's a 92 cummins
#17
I RECENTLY TOOK A USED COMPUTER THAT WORKED AND SWAPPED IT OUT TO SEE IF MY SPEED O PROBLEMS AND VOLTAGE REGULATOR ISSUES WOULD GO AWAY ..............AND NOTHING ......I THINK OLD WIRING .....IF NOT IM GOING TO CHANGE MY CRANK POSITION SENSOR AGAIN (WHICH WAS USED)....GOT MY HANDS ON A GOOD ELECTRICAL SCHEMATIC AND LOOKS LIKE A LOT OF FUNCTIONS RELY ON THE CPS TO BE WORKING PROPERLY ON THOSE 1ST GENS ...AND CHECK OR REPLACE THOSE GROUNDS ....ALSO TRY PULLING THAT ECM MULTI PIN MAIN HARNESS PLUG OUT AND CHECK ALL THOSE PINS ....I FOUND A BUNCH ALL GREEN AND RUSTED ON MY FRIENDS TRUCK CLEANED IT UP AND ALL OF HIS PROBLEMS WENT AWAY...ME... NOT SO LUCKY
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Cdog121
1st Generation Dodge Cummins 89-93
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11-16-2015 01:49 PM