[DeTomaso] headlight motor

[MikeLDrew at aol.com]

In a message dated 7/9/09 9 18 47, julian_kift at hotmail.com writes:


> On the headlight motor, yes the gearboxes are the same, however, I can 
> assure you my headlight motor is not the same as the window motors, it is a 
> much larger and heavier duty unit.
> 

I assume you're talking about your GT5.   According to the factory parts 
book and Wilkinson's website, the headlight motor changed on the GT5 after 
#9306.   Photos of the two are available here:

http://www.panterasbywilkinson.com/webpages/catalog/extra/ill24_52.html?prod
_id=16046a

Note that the new replacement early-style motors are flat on two sides; the 
originals were completely round.

Interestingly, I just discovered that the original headlight and window 
motors do have a significant difference!   It's something I've never noticed 
before, probably because many of the cars I've worked on have had motors 
replaced over the years, and now there is a single replacement part for both 
applications.

Check out the photo of parts from my stash (that I *still* haven't had time 
to inventory yet):

http://www.poca.com/index.php/gallery/?g2_itemId=8999

>From left to right, it's a Bosch replacement headlight motor, original 
headlight motor, and original window motor.   Click in the upper right to view 
it in full size.

Note that the window motor incorporates a doohicky on the side.   I believe 
(but am not certain) that this is an internal circuit breaker.   At various 
points in the past, I recall holding window switches long after the window 
was fully up or down and hearing a 'pop' from the door; the window 
immediately worked in the other direction afterwards, so whatever it was, wasn't 
permanent.   It makes sense to have a resettable circuit breaker in this 
application as opposed to only a fuse.   It's not necessary in the front because 
the limit switches (as opposed to the user's thumb) controls when power is 
removed.

The factory replacement motors that I've seen are lacking the internal 
circuit breaker (assuming that's what it is).

The American Bosch aftermarket replacement headlight motor is interesting 
because it's ever so slightly larger, and presumably might have a bit more 
torque, but more importantly, it's emblazoned with a very legible part number. 
:>)

http://www.poca.com/index.php/gallery/?g2_itemId=9003

Mike




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