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just remember it is likely to be 12 volts like the computer is

my guess is it has the heater than and it was disabled for the eather system should be easy to hook back up

no that's all part of the hard programing I have seen spikes do strange things but it is only rare. Usually when you see something altered it is an accidental stroke of a key and the person plugged in doesn't even know it.

that's what I'm thinking using the engine serial number you can check with Cat they can tell you if that engine ever had one. Most functions like that can be disabled or enabled through Cat e-t you may need a factory pass word to do so, which means a trip to the cat dealer. at that time if you...

here's my suggestion take the serial number off the engine run to the cat dealer see if it was equipped with such a thing if it is fix it. if not they can deactivate the function in the ecm with cat e-t. One thing to remember if it has the intake heater you do not want to add a starting fluid...

I don't believe the a- 1 had the intake heater it should have had an eather system as long as the code doesn't set a cel I would think it should be ok the 3126 was a pretty basic engine with no real emissions package just an electronic control system. it should be able to be fixed by havein...