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Alarm Wiring Diagram for 1996 Volvo 850 - FYI

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=83281
Printed Date: March 29, 2024 at 6:07 AM


Topic: Alarm Wiring Diagram for 1996 Volvo 850 - FYI

Posted By: b3atboxjr
Subject: Alarm Wiring Diagram for 1996 Volvo 850 - FYI
Date Posted: September 24, 2006 at 3:16 AM

I just wanted to clear up a lot of confusion on how to wire these cars. I found every wiring diagram on the net to be inaccurate in some form or another - including the DIRECTWIRE diagram. So here is the wiring diagram I composed while wiring a Python 881XP remote start alarm into MY OWN 1996 855T. (For those unaware of the meaning of "855," that simply means it's a five door; a wagon. And the "T" of course stands for turbo)



Wire: color: location: polarity


12V constant: Red: ignition harness: +
Accessory: Yellow/Purple: ignition harness: +
Ignition: Blue/Red: ignition harness: +
Starter: GREEN/ Red: ignition harness: +
*Tach Signal: Blue: Ignition coil: AC
Lock: Yellow/Gray: Wires inside plastic covering in driver's kickpanel: -
**UnLock: Gray/Red: Yellow multiport {blue harness}: -
**Parklights: White: Yellow multiport {blue harness}: +
Doorpin: Yellow/White: Wires inside plastic covering in driver's kickpanel: -
Trunkpin: Blue/Brown: Wires inside plastic covering in driver's kickpanel: -
Hoodpin: BLACK / YELLOW: connected to hoodpin in engine compartment - driver side: -
Brakeswitch: Yellow: Yellow harness above brake pedal: +
***Factory Disarm: Blue/Brown: in large bundle of wires hanging below the relay center: -

*: This alarm couldn't recognize the tach wire. I had to reprogram it to monitor the car's voltage for 1.0 second
**: behind the driver dash there are three different colored multiports for multiple wire harnessess.
***: There are quite a few blue/browns in this bundle, my 6th blue/brown was the charm ;-)

Extra Notes: You must have both the factory disarm wire and unlock wires hooked up for the unlock to function properly. The factory alarm will arm and disarm along with the locks.

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1996 Volvo Platinum 855T






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