2000 - 2003 Reroute security system flash to parking lights

Written by Backinblack, Member 5888
Applies to the following vehicles: 2000 - 2003 Grand Prix
Created 12/10/2007, Updated 2/16/2008

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Rated by 6 members

This modification modifies your cars wiring to reroute the stock keyless entry headlamp flash to the parking lamps instead. This will help save your HID ballasts as well. Parts required: 30A 12vdc automotive cube relay 1N4004 Diode Wire Disconnect negative battery terminal. Locate the white wire at location C11 in the BCM harness. Cut it and insulate the vehicle side. Tie this wire to pin 86 of a generic 12v automotive cube relay. Bridge pins 85 and 86 with a suppression diode to protect the BCM. Tie pin 30 to the brown wire R in the headlamp switch harness. Tie pins 85 and 87 together and tap them into the orange wire O in the headlamp switch harness.

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