8933.FORD1 4.17.193.2 2005 Mercury Grand Marquis
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Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color Connection
H2/9 Dk. Blue/Black (-) Door Unlock Output driver kick, door harness
Must use a relay.
Must use a diode.
This firmware has negative outputs for this function. Vehicles
with positive and/or 5-wire/reverse circuits REQUIRE an
optional relay.
Refer to Tech Tip 1041 - Door lock wiring guide for relay
assistance.
5
wire
or +
pink/lt. green Mandatory
H2/10 Lt. Blue/Black (-) Factory Alarm Disarm Output No Connection
H2/11 Brown/Red (+) Siren Output [2] Security Only
H2/12 Pink (+) Ignition Sense Input No Connection
H2/13 Violet (+) Door Input No Connection
H2/14 Brown (+) Brake Input brake pedal switch + lt. green/red Remote Start
Only
H2/15 White/Blue (-) Activation Input No Connection
H2/16 Red/Blue (-) Headlight Detection No Connection
H2/17 Black/White (-) E-Brake Input No Connection
H2/18 Orange/Black (+) Instant Alarm Input No Connection
H2/19 Blue (-) Trunk Input [5] LCM right of steering column, gray 16 pin plug, pin 5 - brown/white Security Only
H2/20 Green (-) Door Input (4 doors) [5] LCM right of steering column, gray 22 pin plug, pin 11
LCM right of steering column, gray 16 pin plug, pin 11
For vehicle door trigger inputs, use Tech Tip 1076, refer to
Directwire for more information.
-
-
dk. blue
same as right front door
trigger
black/orange
same as right front door
trigger
Security Only
H2/21 Gray (-) Hood Input [1]
H2/22 Violet/White (AC) Tach Input any ignition coil or fuel injector ac NOT red or white/red Remote Start
Only
Main harness, 12-pin black connector (H3)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color Connection
H3/1 Blue/White Relay N.C. No Connection No Connection
H3/2 Blue/Red Relay N.O. (+) 12 Volt Input [6] Ignition Switch, gray 10 pin plug, pin 9 + Red (25A) Remote Start
Only
H3/3 Blue Relay COM (+) Accessory 3 Output [6] Ignition Switch, gray 10 pin plug, pin 5 + White/Violet Remote Start
Only
H3/4 White/Brown Relay N.C. Parking Light Interrupt No Connection
H3/5 White Relay COM (+) Parking Light Output LCM right of steering column, black 16 pin plug, pin 4 + brown Mandatory
H3/6 Red (+) 12 Volt Input Ignition Switch, gray 10 pin plug, pin 9 + Red (25A) Mandatory
H3/7 Lt. Green/Red Relay N.O. (-) Ground (chassis ground) Remote Start
Only
H3/8 Lt. Green Relay COM (-) RAP Off Output LCM right of steering column, gray 22 pin plug, pin 11 - dk. blue Remote Start
Only
