Need A/C belt idler/tensioner for 87 4kcsq

["Smeins, Larry" <lsmeins@ball.com>]

A good friend loaned his 87 4kcsq to another friend and when it was returned
the A/C belt idler was missing.  The guy who used the car said he heard a
clunk under the hood of the car while driving and stopped to see what was
wrong.  He found the A/C belt flopping around on the pulleys and what
appears to be a place for an idler pulley assembly on the engine block with
nothing attached.  Upon checking it appears the 87 idler is different than
found on an 86 that we looked at.  Can anyone tell me what the idler
assembly looks like on an 87.  I need to know what parts are needed to
replace the idler and I have no pictures of it.  If you've got an idler
assembly in your parts pile to sell please contact me by e-mail.

Larry