I've read a little about this problem before.
1998 Explorer XLT 4WD
Both the 4WD HI and 4WD LO lights flash 5 times every few minutes.
From what I'd read, the problem is usually either a poor connection to the

My '96 Explorer has a tan colored dashboard.  While carting some supplies, I
managed to get it scuffed in a few places on the air bag panel above the
glove box, resulting in what appears to be a greyish vinyl background
showing through. There are no gouges to speak of -- it looks ...

I just replaced my fan clutch on my '91 XLT (4.0 V6 EFI) with one that I got
from Auto Zone's online store.  It looks exactly like the OEM Ford part but
it makes a loud whining noise when I accelerate.  It says "Made in China."
The description was "heavy duty for fast revving ...

Our car has the front and rear a/c units.
The other day a solenoid in the left rear quarter panel started
clicking. This is where the rear fan, etc. is located. It sounds like
a very large clock ticking

we have a 95 exp with a security system that won't let you start the truck
and it keeps malfunctioning i've messed with the wires sometimes it works
but now it won't do anything

Googled this one to see if I could find a way to test the ballast or the
neon bulb. Came up empty handed. Went to get car inspected tonight and found
out it wasn't working. Any info would be appreciated. Time to go have a
beer.

Have a CEL reporting between codes 401-402. check voltage with engine warm
getting tween 4&5 volts. Reset with code tester. A few engine cycles later
Cel comes on with either code. Or could it be vacuum regulator tests tween
30 & 50 ohms.  New egr as well as riser tube off ex ...