please help!! speedo issues!!
#1
please help!! speedo issues!!
All at once my truck shifted out of o/d and no speedometer.... plus i lost cruse a few monts ago and my a/c quit working the day my speedo quit.... i dont understand!! I replaced the speed sensor still nothing... checked fuses and all my tps stuff... i dont know what to do and i have a trip this weekend!!
#2
#3
#7
Yeah, PCM=powertrain control module=computer. It controls very little; the speedometer/overdrive, the air conditioning, voltage regulation from the alternator, and grid and fuel filter heaters.
Decomputerizing it is an option. I'm elbow-deep in a Cummins Ramcharger swap and I'm deleting the PCM.
Decomputerizing it is an option. I'm elbow-deep in a Cummins Ramcharger swap and I'm deleting the PCM.
#9
Yep. The PCM in my 91.5 refuses to have anything to do with the speedometer but everything else works. Right this moment a GPS is my speedo and o/d is on a switch.
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