[TR] wiring needed for my pos. ground car!

Randall tr3driver at ca.rr.com
Thu Nov 1 10:06:18 MST 2007


>   The one thing that I do know after testing it out with my 
> car battery is that the fan's ground (black) must be hooked 
> to the battery's + pole, to get it to turn the correct direction.
> 
>   I'll share one unsuccessful scenario given to me by the 
> Spal guy: (I'll concede that I proably copied this wrong).  
> It's adapted from the 'Single Fan Wiring Diagram' shown above.
>       yellow relay wire (14 ga.) goes to battery's negative pole.
>       gray relay wire (20 ga.) (could go to a sensor) but I 
> have it just going
> to a toggle switch and on to         the battery's positive pole.
>       red relay wire (14 ga.) to fan's red wire
>       orange relay wire (20 ga.) runs to ignition switch.
>       fan's black wire to the TR3's grounding

So with this wiring, the fan turned backwards, right ?  Just reverse the
red/black fan leads and it should work fine.  (Red fan wire to ground, black
fan wire to red relay wire).

Randall


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