Problem with Differential Lock

[luke]

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>Problem 1: This time I am having a major problem with the Diff Lock as,when
I press >/ supress the button nothing happens. Even there is nolight on the
dashboard nor >the button itself. I have checked the fuses,the relays which
seem to be good. >Anyone for any other ideas ?

look on smjautotechnik.com (i think thats how its spelled...)
he said something about a speedometer wire to the stereo being installed wrong causing the difflock to fail...

luke
90tq
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