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Just purchased a 1998 306 and the roof is not completing the closing sequence... is stuck halfway ... the metal back panel is up (open with some movement by hand) and canvas roof is still in "closed" position. HELP
 

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mccullockian said:
Just purchased a 1998 306 and the roof is not completing the closing sequence... is stuck halfway ... the metal back panel is up (open with some movement by hand) and canvas roof is still in "closed" position. HELP
The majority of problems stem in fact from the electric or computerized control. In
fact, if the hood control unit decides to give up the ghost, however much you
press the hood button, nothing will happen. Not even a little electric motor noise.
And the control unit has many good reasons to be driven into immobility. Since
its job is to operate the correct valve at the right moment, it needs to know
perfectly at all times the position of the hood and its ancillaries and also that the
conditions for safe operation are true.


If, at any given moment, it receives wrong information from its sensors or no
information at all, it will put itself into safety mode and will refuse to initiate the
operation of the hood or will stop in the process.
The origins of these breakdowns are most often due to:
 Bad contact of a connector through oxidization or working loose
 A failed contact
 A cut or severed electric wire
The first thing to do, therefore, before starting a long investigation of the
breakdown is to pursue these three lines of enquiry. To do this, start by a visual
inspection of the electrical loom of the hood, looking for any trace of damage
caused by abrasion or cuts and paying particular attention to the wires that go up
from the base of the hood towards the leading edge of the hood on the right-hand
side. This is a wire that often gets pinched by the frame of the hood.
Next, with the help of a contact spray, clean all the connections, principally
around the valves and the hood control unit. Check also the tightness of the
connectors around the valves.
 

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get yourself a haynes manual and have a look at the electrical diagrams, they look scary at first but they are pretty simple really, a small digital volt meter will show you where you have voltage and where you dont, making identification of the faulty circiut a lot easier
 
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