Bad OBDII port??
#12
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Well I changed the fuse and it still won't work. I have, though, narrowed it down to it not working when the engine is on. If i have the key turned on, but the engine off, gauge works perfect. Soon as I crank the engine it stops working.
#18
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I just went through the same thing with my truck. Take the cig. lighter out and make sure the fuse is good. And then check the orange wire on the aldl port. Its the power wire.
#20
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Just throwing this out there and I don't even know if its relevant or not, but the first time I wrote a tune to my 4.8 truck I had to do a write entire instead of a write calibration only.
I mentioned it to a local tuner and he said it MAY be because there is no 4.8 OS so to speak, so more than likely I'm running a 5.3 or 6.0 OS.
Maybe your gadget is acting up because its looking for one thing but finding something else? What motors were the other trucks you had it hooked up to?
I mentioned it to a local tuner and he said it MAY be because there is no 4.8 OS so to speak, so more than likely I'm running a 5.3 or 6.0 OS.
Maybe your gadget is acting up because its looking for one thing but finding something else? What motors were the other trucks you had it hooked up to?