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p p r r o o g g r r a a m m m m i i n n g g j j u u m m p p e e r r s s
l l i i g g h h t t f f l l a a s s h h ( ( + + ) ) / / ( ( - - ) )
This jumper is used to determine the light flash output polarity. In the (+) position, the on-board relay is enabled
and the unit will output (+)12V on the WHITE wire, H1/2. In the (-) position, the on-board relay is disabled. The
WHITE wire, H1/2, will supply a 200mA (-) output suitable for driving factory parking light relays.
N N O O T T E E : : For parking light circuits that draw 10 amps or more, the internal jumper must be switched
to a (-) light flash output. P P / / N N 8 8 6 6 1 1 7 7 or a standard automotive SPDT relay must be used on the
H1/2 light flash output harness wire.
t t a a c c h h t t h h r r e e s s h h o o l l d d o o n n / / o o f f f f
In most cases, this jumper can be left in the OFF position. Some new vehicles use less than 12 volts in their
ignition systems. The unit may have trouble learning the tach signal in these vehicles. Changing the jumper to
the ON setting changes the trigger threshold of the digital tach circuit so it will work properly with these vehi-
cles. The vehicles affected include many newer Dodge/Chrysler/Plymouth vehicles, such as the Neon, Cirrus,
Stratus, Breeze and LH-based vehicles.
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© 2005 Directed Electronics—all rights reserved
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