[DeTomaso] Heater fan speeds

[Charles Engles]

Dear Dave,


                Mike wrote:
'

> Can anyone tell me what the resistor value was and where it was located?
> If I can't sort out the original connection I think I should be able to
> switch the same R value into the full-speed line
> and have it work the same as the original.
>

I don't know about its characteristics, but it's physical location is on
the heater box itself.
$$$$$$$   Yes, IIRC you need to remove the glove box for best access.  The 
Stock resistor looks like it came out of 1917 rather than 1971.  It is about 
4 or 5 inches long and about 3/4" diameter on a ceramic base which also 
holds the heat shield over it.

I remember Chuck Engles had some issues with his; it broke down and caused
so much resistance that it caught fire!
$$$$$$$      Ummm, no it did not catch fire, but it did glow red hot and 
release lots of smoke.  It suddenly became obvious why it came with a 
formidable heat shield.

If you're going to go through the trouble of sorting out the heater fan,
you might as well replace the whole unit with a modern one.   This
incorporates the resistor inside the motor assembly itself, and it wires up 
directly to
the switch.   Typical units are three-speed, so you get to choose which two
of the three speeds you use.
$$$$$$$$    I finally got a replacement that worked, but the electrical 
wizards on the Forum have found at least two or three modern replacements 
that have to be way better than the funky stock resistor.



                      Another incident of being electrically challenged, 
Chuck Engles (not on fire yet)









Cheers!

Mike


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