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Check the voltage from ground to the CAN HI and CAN LO pins (6 & 14 for U.S.). It should be about 2.5 volts on each with the key on and at least one device broadcasting.
If you have those voltages, then you know for sure there is some sort of messaging going on there.
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'96 F250 XLT, Diesel, auto, 4x4
"Political Correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."
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