Re: problem with MFA odo & speed function when cold

[Nigel Heron <scirocco@psycode.com>]

drew wrote:

>
> Has anyone expereinced this problem, and if so, were they able to resolve
> it without replacing the speedo?  If speedo replacement is necessary, can
> I use a speedo head that has the cruise signal?  I'm surmising that the
> MFA gets its signal from the speedo head through the same sender that
> factory cruise control implementations use.  If this sender is gear
> driven, perhaps the gear is stiff or slipping in the cold weather?  (I'm
> familiar with the slipping odo gear problem).

the speed sensor is magnetic (it's a hall sender), no moving parts in the
sender itself. The speedo cable spins a metal disk inside the casing. Maybe
there's condensation buildup on the sender or disk causing the sender to
misread until warm?! either that or the sender might be faulty.

-nigel.


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