I have been trying to diagnose why my front windshield
washer fluid squirter motor will not work.  I took out the
motor and tried to put 12 volts to it directly from the
battery (also grounded to the battery) - nothing!!

My rear window washer fluid squirter motor works, so I
took it out (hoping to swap motors - no luck, pins are
different) and when I put 12 volts directly to that motor -
NOTHING either!!!  I re-installed the rear motor and it
works fine through the steering column lever switch.  I
have had the same situation with my horn - 12 volts
directly - no horn-beeb, install the horn through the van's
wiring harness - horn works.  ALL three times I put 12
volts directly from the battery and grounded the 12V
motor to the battery.  I also reversed the + & - sides.

So what am I missing here.  I'm not stupid (Ph.D.) but I
know LITTLE about electricity.   Can someone help
me???  What am I missing here???  Malcolm