© 2006 Directed Electronics—all rights reserved
40
programming jumpers
tach threshold on/off
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 vehicles. These vehicles include many newer Dodge/Chrysler/Plymouths, such as the Neon
Cirrus/Stratus/Breeze and LH-based cars.
light flash (+)/(-)
This jumper is used to determine the light flash output. In the (+) position, the on-board relay is enabled
and the unit will output (+)12V on the WHITE wire, H1/11. In the (-) position, the on-board relay is
disabled. The WHITE wire, H1/2, will supply a 200 mA (-) output suitable for driving factory parking light
relays.
k
NOTE:
For parking light circuits that draw 10 amps or more, the internal jumper must be switched to a (-)
light flash output.
P/N 8617
or a standard automotive SPDT relay must be used on the H1/11 light
flash output harness wire.
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