We're not sure what causes the switches to fail using DOT 5, but
my hypothesis is that the silicone fluid has a high dielectric and
acts like an insulator on the switch internal contacts. If someone
has a failed switch, it may be possible to confirm this by rinsing
out the switch with Chemtool or contact cleaner and seeing if the
switch recovers.
Paul Kile
Paul D. Kile
kile_paul@aphub.aerojetpd.com
(916) 355-5162
GenCorp Aerojet
POB 13222
Dept 5784 Building 20019
Sacramento, California 95813-6000
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