Upgraded Diff Lock project complete

[Peter Berrevoets]

Having a hard time picturing the set-up but it sounds rather interesting.
Got any pictures?
Feel free to send any w/o regard to file size.

Later,

Peter Berrevoets
1990 200TQ
Toronto, Canada

> >-----Original Message-----
> >From: quattro-admin at audifans.com
> >[mailto:quattro-admin at audifans.com]On
> >Behalf Of QSHIPQ at aol.com
> >Sent: Saturday, January 27, 2001 12:37 PM
> >To: quattro at audifans.com
> >Subject: Upgraded Diff Lock project complete
> >
> >
> >After 3 years on the shelf, I bit the bullet and installed 2
> >diff lock
> >controller units donated from 2 urs4 cars into my '83 tqc.
> >FYI, I installed
> >the '87tq 2 scene diff graphics, 2 urs4 diff lock switches
> >and 1 vision
> >series 30Hg>25psi vdo boost guage into the diff lock center
> >panel.  I must
> >say, I have waaaaay to much time in this mod, but it works
> >really well, and
> >looks stock in the car.  Looking forward to trying it out at
> >steamboat next
> >weekend.
> >
> >Not sure about the overheat protection circuit I was advised
> >of, but my
> >45minute ops check last night included center diff locked
> >the whole time,
> >without any cutout.  I also hand tested for heat buildup,
> >didn't notice any,
> >but I'm bringing my drill to steamboat just in case ;).
> >
> >Works as follows:
> >Switches are stacked just to the right of the graphic panel,
> >upper switch
> >controls front diff, lower switch controls rear diff (you
> >can engage them
> >independently only, my reasoning is that I run center diff
> >locked pretty much
> >all the time in spirited driving anyhow).  Push switch once,
> >diff goes on,
> >push switch again, diff goes off, that simple.  Per the
> >later style diff
> >locks, the switch triangle comes on/goes off with the touch,
> >but the actual
> >LED waits for the signal from the switches mounted in the
> >trans/diff.  I have
> >retained the speed input cutout for a master cutoff switch
> >that I may mount
> >sometime later.
> >
> >The A/C is removed from both my Urq's, so I mounted the
> >controllers to the
> >back of the glove box, made a custom harness for the
> >controllers to switch
> >panel, and piggybacked the 2 extra (rear) diff lines thru
> >the center console
> >to the back.
> >
> >Without question the best mod I've done to the gen 1 quattro system.
> >
> >I'll give a more detailed report following a more grueling
> >test flight at
> >Steamboat next weekend.
> >
> >SJ
> >'84 RS2URQ
> >'83 Urq