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Are the 'idiot lights' dead as well, or just the ones that project from
above onto the guages. Perform the 'lamp check' and see if anything else
has fizzled. It's in the Owner's manual.

'Curly'

Dash lites out... A.c. Lites out... Drive lite indicator on.... Seat belt
lite on....

Don't know whether this will help you. Same happened in my 91 Civic. A
power connector behind/above the instrument cluster
(speedometer/fuel/temperature gauges/idiot lights) had come loose. In
my case, removed the top cowling (there are two bolts hidden on top,
plus two screws on either side of the instrument cluster),
re-attached/tightned the power connectors and the lights have been back
ever since. If you have a Honda service manual for your Passport that
might help in figuring out the locations for bolts/screws/power
connectors (if that is the problem....).