Quote:
Originally Posted by big bob
I believe that in the absence of a wheel speed sensor, the less accurate GAL (vehicle speed) signal is used. Not sure how you tell from the sevice menu if this is happening.
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Nope. The nav only reads wheel sensor pulses from the wheel sensor input
You can connect the ABS signal (instantaneous wheel speed) or the averaged speed output (as used for the GAL function for the radio)
To the OP: check if you have GAL-signal or ABS signal connected.
Maybe you have GAL, and the averaging of the speed signal is causing problems.
If you have GAL, change to the ABS signal and the problems will likely disappear