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.h4/9 gray heater/air conditioner 1 output (retained)
Connect this wire to the accessory wire in the vehicle that powers the climate control
system. This wire will retain power for 5 minutes after the ignition key is turned off, or
until a door is opened.
door lock connection guide
door lock harness wiring guide
h2/1-h2/6 power door locks
The system has door lock relays on-board, and can directly interface with most elec-
tric power door lock systems drawing 20 amps or less.
identifying the door lock system
For help in identifying the door lock system, please refer to Directed document 1041.
The easiest way to determine which type of door lock system you are working with is
to remove the master locking switch itself, which is usually on the driver’s door or on
the center console. Once you have determined which type of factory door lock circuit
you are working with, and the color codes of the switch wires to be used, you can usu-
ally simplify the installation by locating the same wires in the vehicle’s kick panel.
N
NO
OTTEE:: Always retest the kick panel wires to make sure they work the same as the
wires on the master switch.
There are eight different types of common door lock circuits found in vehicles (some
vehicles use more unusual systems). The eight most common systems are:
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Type A: Three-wire (+) pulse controlling factory lock relays.
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Type B: Three-wire (-) pulse controlling factory lock relays.
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Type C: Direct-wired reversing-polarity switches. The switches are wired directly
to the motors. This type of door lock system has no factory relays.
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Type D: Aftermarket actuator-driven systems. These include slave systems without
an actuator in the driver’s door but with factory actuators in all the other doors,
since these can be controlled with the installation of an aftermarket actuator.
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Type E: Electronically-activated vacuum systems. This requires special program-
ming of the system.
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Type F: One wire system.
