small-list-digest Monday, June 15 1998 Volume 02 : Number 167



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Ford Truck Enthusiasts - Ranger, Explorer, Bronco 2 and Aerostar
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In this issue:

FTE Small - Re: Sanity-izing my Windshield Washer Switch
FTE Small - Re: Flushing Tee: '92 Aerostar
FTE Small - Re: Definitive "Fake Oil Pressure Gauge"

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Date: Sun, 14 Jun 1998 11:04:52 -0700
From: Pat Brown
Subject: FTE Small - Re: Sanity-izing my Windshield Washer Switch

Richard, re-designing his aerostar, asked:

>What I want to do is to separate the washer from the windshield wipers
>- -- so that the washer switch simply squirts the fluid without engaging
>the wiper motor. Neither my Haynes nor my Alldata (save your money,
>guys)breaks out the wiring adequately for me to make the changes.
>Here's why I need to know (please reply with whichever part you know):

>1. Where is the wiper/washer computer located on my '92 Aerostar?
Typically (as in I don't REALLY know), the 'logic' is built into the
switch. Usually mechanical to trip the washers and wipers.

>2. Which are the relevant computer wire terminals and wire color codes?

I suspect the easiest way to do this would be to run a separate wire
and switch to the washer pump. The pump should be easy to find (my
'88 was combined with the overflow tank, the washer pump was on
the tank). Run a wire from the wiper/washer fuse, through a momentary
contact switch to the motor. If you wanted to get real fancy, leave
the original wires hooked up, add a diode in series with the old wire,
then it will work both ways. The diode will protect the existing
switch, if it happens to be solid state. If the existing switch is
mechanical only, the diode isn't needed. Use the biggest (largest
current) diode you can find at radio shack.

(look out, ascii art ahead)
Existing
Fuse Switch Diode
___
12V from battery o~~o-----o o-----|>|-----*-----> 12 V to washer
| ___ |
|-----o o-------------|
New
Switch

> 3. What else do I need to know?
Isn't this a 'raise your hand if you're not here' type of question? :-)

A real wiring diagram would be nice. Helms sells diagrams separate from
the service manuals, probably $20.

Pat Brown
Sebastopol, California


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Date: Sun, 14 Jun 1998 10:37:06 -0700
From: Pat Brown
Subject: FTE Small - Re: Flushing Tee: '92 Aerostar

Richard asked:

> I want to add a Prestone flushing tee to my '92 Aerostar (3.0).
> What's the best hose and location for me to cut the hose and [snip]

Aerostar cooling systems are a pain to 'burp'. The heater sits at or
above the rest of the system, ensuring that air can get trapped in
the heater when re-filling. I installed a flushing tee at the highest
point, and remove the cap when filling the radiator so the air can
escape. As far as power flushing, there are no valves in the heater
water circuit, either hose will work (temp control is accomplished
with hot/cold air mixing).

Pat Brown
Sebastopol, California


== FTE: Unsubscribe and posting info www.ford-trucks.com/faq.html

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Date: Sun, 14 Jun 1998 11:27:10 -0700
From: Pat Brown
Subject: FTE Small - Re: Definitive "Fake Oil Pressure Gauge"

Richard wrote:
[e-mail attaboy snipped]

Thanks Richard,
Pat

== FTE: Unsubscribe and posting info www.ford-trucks.com/faq.html

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End of small-list-digest V2 #167
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