yup, funky. best way I can describe it.
for those not familiar with the SD locking system, it's electric pump actuated, not engine vacuum...
the back door will lock and unlock randomly...
some days it locks fine.
some days both the front and rear will lock and unlock on their own.
some days the rear lock only is affected. sometimes it will act like it's gonna lock for a while, then just not lock.
whatcha all guru's of the tri star think?

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!