I had this same situation with my '86 D 250. Turns out that one of the bulb
sockets had enough corrosion to short the circuit between the turn signal
element and the running light element.
For some reason this condition caused the blinker funkiness. A thorough
cleaning of the bulb socket and a bit of dielectric grease solved the problem.
Bart
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In a message dated 10/28/2006 9:59:14 P.M. Central Daylight Time,
bspidell@comcast.net writes:
My son's '96 Cherokee has a strange problem with the turn signals. They all
work, but the flasher speed is very fast (2-3 times/second), but the
real problem
is that both indicator lights are solid on at all times (except when one
blinker is
on, then that one blinks ... too fast).
Anyway, I know there's a bit of magic to these circuits ... anyone
seen/solved
this problem before (I don't know what to try short of changing all the
bulbs, but
the ones in there work)?
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