guys, please help!!!!!!!!!!!!!!!! I had a blown fuse in the above car
and when i replaced it the horn was continously humming. I do not know
what the hell is going on. Also i have realised the central locking
system and the antenna are no longer functioning. The antenna does not
go down and i have go around opening and closing the doors. I will
appreciate your help.
First of all would check whether other fuses are blown, particularly
the fuses for antenna and central locking.
Otherwise it may very well be a loose connection in a common ground
Start with one of the things that do not work, the central locking for
instance, and measure if it gets 12 volt supply to the unit. If not,
trace towards the fuse. Or rather trace in the fuse box, since the
problem apparrently is in a common place.
If you do have 12 volts supply, mesure the voltage at the ground
connection of the unit. That should be 0 volts. If not, trace towards
the grounding point.
Find a good chassis point as reference for the measurements.
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