'84, 1.9, A/C, Westy.  Noticed an anomaly recently, just wondering if anyone
else had experienced the same thing. Driving with the A/C on I blew the
horn.......noticed the red led for coolant blinked briefly. Tooted the horn
several more times and the led would blink each time. Later when I got home,
tried it again....no blinking?  Turned the A/C on ... it blinked.  So with
the A/C on ...if you toot the horn the led blinks. If not an anomaly, then
probably a diode some where. Nothing to lose sleep over ... just
interesting.