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2003 Jeep Grand Cherokee Alarm Wire Chart

2003 Jeep Grand Cherokee Alarm Wires

Find the right alarm wire colors, locations, and polarity with this 2003 Jeep Grand Cherokee alarm wiring diagram. This will help you install your car alarm wiring correctly.

Application Wire Color and Location
Battery Constant 12v+ Positive Wire (+) Pink/Black and Red
Battery Constant 12v+ Positive Wire Location Ignition Switch Harness
Starter Positive Wire (+) Yellow
Starter Positive Wire Location Ignition Switch Harness
Ignition Positive Wire (+) Dark Blue
Ignition Positive Wire Location Ignition Switch Harness
Accessory Positive Wire (+) Red/Black
Accessory Positive Wire Location Ignition Switch Harness
Secondary Accessory Positive Wire (+) Black/Orange
Secondary Accessory Positive Wire Location Ignition Switch Harness

2003 Jeep Grand Cherokee Alarm Sensor Wires

Find the right alarm sensor wire colors, locations, and polarity with this 2003 Jeep Grand Cherokee alarm sensor wire chart. This will help you connect all your car alarm sensors correctly.

Application Wire Color and Location
Parking Light Negative Wire (-) Yellow (The yellow parking light wire will require a (-) negative through a 1300 ohm resistor and a extra relay.)
Parking Light Negative Wire Location At Headlight Switch, See Diagram
Parking Light Positive Wire (+) Do Not Use.
Parking Light Positive Wire Location N/A
Power Door Lock Negative Wire (-) Orange/Violet And Pink/Black (5 Wire Reverse Polarity). Use orange/violet for lock and pink/black for unlock at the drivers door switch. Use black/white for lock and pink/black for unlock at the passenger front door switch.
Power Door Lock Negative Wire Location In Both Front Doors, See Diagram
Power Door Unlock Negative Wire (-) Pink/Black (5 Wire Reverse Polarity). Use orange/violet for lock and pink/black for unlock at the drivers door switch. Use black/white for lock and pink/black for unlock at the passenger front door switch.
Power Door Unlock Negative Wire Location In Both Front Doors, See Diagram
Door Trigger Positive Wire (+) This vehicle has 4 door trigger input wires, the drivers door is a tan/red (-) at the drivers door lock switch, the passenger door is a tan/red (-) at the passenger door lock switch, the drivers rear door is a tan/orange (-) and the passenger rear door is a tan/yellow (-) both are at the BCM (body control module), when connecting to an alarm system you must both door trigger wires and diode isolate.
Door Trigger Positive Wire Location N/A
Dome Light Supervision Wire (-) Yellow/Dark Green
Dome Light Supervision Wire Location At BCM, Above Diagnostic Plug
Horn Negative Negative Wire (-) Gray/Orange
Horn Negative Negative Wire Location At Horn Switch
Tachometer Wire Negative Wire (-) On the 4.7L engine, go to any coil and use any wire that is not dark green/orange. On the 4.0L engine, use any wire with a tan stripe at the coil pack.
Tachometer Wire Negative Wire Location N/A
Brake Light Positive Wire (+) White/Tan (1999-2003) White/Tan or Purple/Brown (2003)
Brake Light Positive Wire Location At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-) Light Green/Orange (To disarm the factory alarm system requires a (-) negative through a 463 ohm resistor and an extra relay.)
Factory Alarm Disarm Wire Location At Drivers Door Lock Switch In Drivers Door
Factory Anti-Theft Wire (-) Chrysler’s Sentry Key, A Transponder System
Factory Anti-Theft Wire Location Transponder At Ignition Switch Tumbler

Feel free to use any 2003 Jeep Grand Cherokee alarm wiring diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 2003 Jeep Grand Cherokee car alarm wire chart is at your own risk. Always verify all wires, wire colors and connection points before applying any information found here to your 2003 Jeep Grand Cherokee.

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