[DeTomaso] indicator light

[Christopher Kimball]

What I did was to tap into the wires at each fan motor (I have three--much to Mad Dawg's chagrin!) using the positive and negative leads right before they went into the fan motors and ran the thee pairs of wire to the dash.  I drilled three little holes above the headlight switch and mounted three different colored LEDs (which I bought at Radio Shack--made especially for 12 volts) so now I know exactly when each fan is operating.

The LEDs must be hooked up correctly with the positive side to the positive wire and negative to negative.

Chris

#3846

> From: MikeLDrew at aol.com
> Date: Sun, 20 Jul 2008 00:36:38 -0400
> To: adin at frontier.net; detomaso at realbig.com
> Subject: Re: [DeTomaso] indicator light
> 
> 
> In a message dated 7/19/08 17 37 44, adin at frontier.net writes:
> 
> 
> > I need to have a little light to let me know when the cooling fans 
> > come on (ford, but not pantera) . . . it seems one could just take 12v 
> > off the fan to a light.  It also seems this is a fire waiting to 
> > happen - do I need to take the power off the relay???
> > 
> > Help please . . .
> > 
> > electronically challenged I remain,
> > 
> 
> Dave,
> 
> De Tomaso was way ahead of you--there is a fan indicator light sitting right 
> there at the bottom of your speedometer!
> 
> That light is amber in color, and moron Lincoln Mercury customers interpreted 
> that as a WARNING light and this drew complaints.   So after early 1972, it 
> was left unconnected.
> 
> It is a very simple matter to string a wire from the output side of your #2 
> fan relay back to this light.   Voila! :>)
> 
> Actually, if you string it from the output side, where 12V flows to the fan 
> motor, then the spinning fan might cause the light to glow when it is spinning, 
> but not powered.   Come to think of it, it's probably better to string the 
> wire from the input to the fan relay, where the relay gets its "turn on the fan" 
> signal from the thermoswitch in the radiator.
> 
> Mike
> 
> 
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