Classic ZF trouble..?? 87FC35

[Gregory OConnor]

Alan, the other half of power supply is ground. Worth a check.
Gregory O'Connor
94ptRomolandCa

--- In WanderlodgeForum@yahoogroups.com, "Alan"
wrote:
>
> It seems I am experiencing the classic ZF trans problem of not
going
> into gear. It has been kind of slow engaging lately and now it
> won't move. **One potential variation is that I noticed my
> tachometer does not seem to be registering properly. At idle,
> sometimes it was reading around 1500 rpm, and sometimes it's a
> little irratic. (The engine is idling normally.) But I don't know
> if there is a connection between what my tach registers and the
> trans.
>
> So i've read all the posts here I can find about this. I have
> located my throttle position sensor and it appears to be in tact
and
> functioning. I'm now on to the next thing potential problem and
> that is a the low voltage problem. I have also found the fix in
the
> database. The fix says to check the voltage and find the ZF power
> supply. I've found what appears to be ZF control module. It is
> located underneath the push button gear selectors behind a panel.
> It has a large connector on top of it with lots of wires going into
> it. I HAVE NOT found what might be the power supply.
>
> So I've got a couple of questions if any one has experience with
> this:
>
> 1. Where might I look for this power supply. (What does it look
> like?)
> 2. When I find it, I can use a Fluke, so I am anticipating no real
> problems in getting to checking voltage..?? Yes?
> 3. If I do find a problem with the power supply, the fix instructs
> me to "retrofit a new power supply". Is this something I can get
> from BB or ZF?? Or something I can pick up at Napa??
>
> Thanks in advance,
> Alan Johnson
> 87FC35
> Dallas, TX
>