Aftermarket Alarm/Keyless Entry Wiring Diagram - Wire Color Pinout Chart
Wiring diagram legend for a keyless/alarm module listing each wire color and its function such as parking light, trunk pop, lock and unlock.
This document is a wiring/pinout diagram, apparently from an aftermarket alarm or keyless entry system installation manual, showing the control module (drawn as a rectangle at left) and the wire harness connections listed by wire color. The legend identifies each wire: RED for (+)12V Constant power, BLACK for Ground, BROWN for a negative Parking Light Output, WHITE/RED for a negative Trunk Pop output, ORANGE for a negative Starter Kill, RED/BLACK for a negative PASD output, one position not used, WHITE/BLACK for Lock (87A), GREEN/BLACK for Lock (30), BROWN/BLACK for Unlock (87A), BLUE/BLACK for Unlock (30), and YELLOW for the Antenna. The PURPLE and PURPLE/BLACK wires route through an inline FUSE (amperage not legible) and continue as PURPLE/BLACK. The relay terminal designations (87A and 30) for the lock/unlock wires indicate built-in door lock relay outputs. No manufacturer name, part number, model number, or vehicle applicability appears in the visible portion of the scan; the uploader filed it with a 1994 Ford Bronco, but nothing on this page confirms or contradicts that. A reader can learn which wire color performs which function when installing or troubleshooting this alarm/keyless entry module.
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Frequently asked questions
- What wire color is the 12V constant power on this alarm module?
- The RED wire is (+)12V Constant.
- Which wire is the starter kill output?
- The ORANGE wire is the (-) Starter Kill.
- What are the door lock and unlock wire colors?
- WHITE/BLACK is Lock (87A), GREEN/BLACK is Lock (30), BROWN/BLACK is Unlock (87A), and BLUE/BLACK is Unlock (30).
- Which wires go through the inline fuse?
- The PURPLE and PURPLE/BLACK wires connect through a FUSE, continuing as PURPLE/BLACK; the fuse amperage is not shown legibly.
- What is the YELLOW wire for?
- The YELLOW wire is the Antenna connection.
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