1998 BMW 740il Automotive Security Wiring Guide

1998 BMW 740il Automotive Security Wiring Guide

Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Green
Ignition Positive Wire Location: Ignition Switch Harness

Second Ignition Positive Wire (+): N/A
Second Ignition Positive Wire Location: N/A

Third Ignition Positive Wire (+): N/A
Third Ignition Positive Wire Location: N/A

Accessory Positive Wire (+): Violet
Accessory Positive Wire Location: Ignition Switch Harness

Second Accessory Positive Wire (+): N/A
Second Accessory Positive Wire Location: N/A

Starter Positive Wire (+): Black/Yellow
Starter Positive Wire Location: Ignition Switch Harness

Second Starter Positive Wire (+): N/A
Second Starter Positive Wire Location: N/A

Key Sense Wire: Brown/Green
Key Sense Wire Location: Ignition Switch Harness

Parking Light Negative Wire (-): Black
Parking Light Negative Wire Location: At Switch (Use Relay)

Parking Lights Positive Wire (+): N/A
Parking Lights Positive Wire Location: N/A

Power Door Lock Positive Wire (-): Blue/Red
Power Door Lock Positive Wire Location: Driver Kick Panel

Power Door Unlock Negative Wire (-): Black/White (Will not unlock with vehicle ignition on.)
Power Door Unlock Negative Wire Location: Driver Kick Panel

Door Trigger Negative Wire (-): Blue/Red
Door Trigger Negative Wire Location: At Domelight

Dome Light Supervision Wire (-): N/A
Dome Light Supervision Wire Location: N/A

Hood Trigger Negative Wire (-): N/A
Hood Trigger Negative Wire Location: N/A

Trunk Trigger Negative Wire (-): Brown/White
Trunk Trigger Negative Wire Location: At Trunk Pin

Sliding Power Door Wire: N/A
Sliding Power Door Wire Location: N/A

Horn Negative Wire (-): Brown/Red
Horn Negative Wire Location: At Steering Column

Brake Light Positive Wire (+): Brown/Gray
Brake Light Positive Wire Location: At Brake Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Factory Anti-Theft System: EWS II Key Immobilizer
Factory Anti-Theft System Type: Key Sends a RF Signal to the BCM Module

The 1998 BMW 740il alarm wire color and location information above is updated as it is submitted by the Modified Life community.

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