[DeTomaso] Before my fans wouldn't run... now they won't shut off!

Larry - Ohio Time Corp larry at ohiotimecorp.com
Wed Jun 9 17:59:50 EDT 2010


Hi Charlie,

SOBill is still on vacation (closer to you so have him drop by) so you are
stuck with me.

Turn the car off, fans running, and unplug the relay a bit. You should be at
a point that you can wiggle it on and off. You want to see if you can feel
the relays clicking.

If they are clicking:
- this is telling you that you have power (or maybe ground) switched to the
really coil completing the circuit and keeping the fans on. I would first
look to see if you have manual over ride switches as the problem may be
there. I would also check the 12V+ wire to the really coil. (I like to
switch the ground 12V- side, but you all know how I am)to make sure it is on
a key switched supplied side, not a battery supplied side. Pull one fuse at
a time till they stop to know that at least that is the supply. It may be as
simple as the wire is on the wrong fuse spade.

If they are not clicking:
- this is telling you the problem is most likely in the relay. Shorted or
burned up contacts that are welded together. Clean them or replace them.

Larry - Cleveland



-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Charles McCall
Sent: Wednesday, June 09, 2010 4:54 PM
To: DetomasoList
Subject: [DeTomaso] Before my fans wouldn't run... now they won't shut off!

Hi all

I'm happy because I smell like DeTomaso. There's a certain smell from being
around the exhaust... if you carry clothes in your trunk, you know what I
mean.

Tonight they installed the radiator and suspension on my car, and tomorrow I
drive the eight hours back home. We have a small snag.

Before, my fans wouldn't run. When my sensors died a while back, we jumpered
them so that they would run all the time. I haven't gotten around to
changing the sending units, so they still ran all the time.

The problem turned out to be a wire that got nicked while pulling the
radiator. Easily enough fixed. But now they don't shut off when turning the
ignition off and removing the key!

What could be possible causes? I have a late-model car, with the Rick
Moseley kit installed with relays in the front trunk.

To get home tomorrow, I'll take the car as-is (I've run out of time to do
anything else) and will simply pull the jumper wires off when I stop for gas
and to eat. Where should I look to find out why the fans operate whether the
ignition is on or not? Any ideas?

Thanks! Tomorrow - road trip! 8 hours in the rain in my brand new, shiny
car. Hopefully it will just be brand new and dirty when I arrive.
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