maumee wrote:
> ... At infrequent intervals, after I set the cruise, it will engage
> and then will drop out as if the brake was pushed or thr cruise was
> shut off.
> The manual also
> indicates that a defective brake switch may be an issue.

That was my first guess.

> Using a VOM I
> checked the action of the brake switch and it seems normal. The switch
> is also not on the ragged edge of activation so that is probably not
> the cause.

Did you check both pairs of contacts? They're probably using a set of
normally-closed contacts in parallel with the normally-open contacts that
power the brake lamps. That NC pair might not be making a perfect
connection. All it takes is a little vibration as you're driving to open
them which disables the cruise control.

> Any suggestions as to where to look?

Don't you like intermittent problems? Unfortunately there is no way to look
inside the cruise control unit and determine _why_ it is turning off. In
addition to the brake switch some Hondas (like my Prelude) also monitor the
shift position switch, the ignition coil and the speed sensor. If it begins
to drive you crazy you might hook up some kind of voltage-monitoring alarm
logic circuit. If [cruise control main switch = ON] and [brake lights =
OFF] and [brake switch to cruise control unit = OFF] then [set latch and
sound alarm].

Of course, looking at the schematic for my car that would still trip every
time you apply the brakes. The cruise control NC contacts probably open
slightly before the lamp normally-open contacts close.

I would also check each of the ground connections involved in the cruise
control.

You might do a preemptive replacement of the brake light switch.

--
Chuck