My Mark LT has had the IWE problem with the grinding noise, So I removed the old water soaked IWE Solonoid and installed a inline vacuum hose so it would get vacuum to front hubs and this worked great. No more grind and better fuel econo.
A week before I did this my a/c and 4wd was working but some time in the past month they both have quit, of course in the first big snow we had.
I have since put the new IWE solonoid on, but it isn't unlocking the front hubs because no juice is getting to it because of the No 4wd light and no a/c electrical issue. I have checked fuse #11 with ohm meter and it is fine.

Would the 4wd shift motor give me the no A/C problem as well? I have not messed with the shift motor yet. But that is the only other thing I have found online giving people problems. If anybody has a wiring diagram or any idea's for the 4wd system please help. Thank you!

 

Well, I just thought i would write back that my A/C has been working lately since it has warmed up outside above 40 deg. So I am just guessing there must be a circuit that won't let your a/c kick in below a cetain tempature?

Does anybody out there know if this is true? I do have the Auto Climate control system.

Now my 4wd still isn't working though, My 4wd switch when turned use to hear relays clicking. But I hear nothing. And no 4wd light.

I have noticed that my front axle isn't locked in anymore after installing the new I.W.E. solonoid. My gas milage has gone from 12.8 to 14.2 which is a decent improvement.[thumbs up]

I would appreciate anybodys help out.
Thanks!