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Old 16 Nov 2008, 02:53 pm
blu
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Default How do I test a cruise control switch?

I recently changed the background light in the clock on my wife's 1999
Honda odyssey which involved taking the dashboard apart. After I got
it all back together, my wife noticed a couple of days later that the
cruise control no longer works. The light in the switch does not light
and the cruise control does not engage.

I re-seated the connector to the switch (which I never disconnected in
the first place) but that had no effect. I checked the fuse, but the
fuse for the cruise control is okay. I removed the switch entirely to
test the continuity with a volt-ohm meter, but since I don't know what
pins should have continuity in the two positions, I can't really say
whether or not the switch works.

However, what I found doesn't sound like it can be right. There are 5
pins on the back of the switch. I checked each pair of pins and found
that when the switch was in the disengaged position, no pairs of pins
had any continuity at all. When the switch was in the engaged
position, only pins 3 and 4 make a connection with each other, while
all of the others remain disconnected. There are two lights I can see
embedded in the switch and I think that one comes on with the
headlights and the other comes on when the switch is engaged.

So, does it sound like I need a new switch, or is there another
problem?

Brian Utterback
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