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Alternating current noise from your alternator. Long story short, after replacing and checking so many things trying to get my cruise control to work correctly, I replaced the Functioning ecm. But t
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Look at the VIN number chart and modify the new VIN to what you want.
Short Summary: Bought the truck a month ago for a good deal (2001 24v w/ NV5600, shortbed.) My 1st diesel.
Problems started with. AIRBAG light, reverse lights always on, cruise light on, leak from xfer case and also one on the motor. At this moment I am left with a leak on transfer case and cruise light as of yet.
New servo, brake light switch, ran the middle wire to clutch pedal, clockspring and checked cruise buttons for function. Also found no substantial power from pin 6 that crosses through the brake switch to the servo.
No go, called dealer after noticing too many flags of a hack job conversion. SO pump, hacked wiring harness and writing on the PCM like it was a junkyard computer. Dealer said the PCM isn't from this truck and is a tranny swap.
I heard 2001 nv5600 Cummins are vacuumless cruise, so what you think is wrong? Will PCM/ECM driven cruise run a vacuum servo cruise? What I am clueless is when I ran the NSS to the clutch, there was already a connector wired from a harness (yellow wires) to the clutch switch. I could not combine them, it wouldn't work. So I jumped the yellow ones and put in place the NSS on the clutch switch. Two safety switches???
Thanks in advance, spend a lot of time with no results.