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H H 2 2 / / 5 5 W W H H I I T T E E / / B B L L A A C C K K ( ( - - ) ) d d i i e e s s e e l l w w a a i i t t - - t t o o - - s s t t a a r r t t b b u u l l b b i i n n p p u u t t
Connect this wire to the wire in the vehicle that sends the signal to turn on the WAIT-TO-START bulb in the dash-
board. In most diesels the wire is negative (ground turns on the bulb) and the GRAY/BLACK wire can be directly
connected to the wire in the vehicle. If the vehicle uses a positive wire (12V to turn on the bulb) a relay must
be used to change the polarity. (See Finding the Wires You Need section of this guide.) Here are some common
colors of this wire:
■ Chevrolet and GMC trucks - Light blue or dark blue
■ Ford Trucks - Black/pink
■ Dodge Ram Trucks - Orange/black or black/orange
N N O O T T E E ! ! A 1-amp diode must be installed in line on the factory wire between the wait-to-start
indicator and the ECM. (See the following diagram for details.)
H H 2 2 / / 6 6 L L I I G G H H T T B B L L U U E E ( ( - - ) ) 2 2 0 0 0 0 m m A A 2 2 n n d d u u n n l l o o c c k k o o u u t t p p u u t t
This wire provides a second unlock output for progressive locks. Refer to document 1041— Door Locking System
Wiring Guide for specific applications.
2 2 1 1
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