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Alarm Wiring Diagram for 1996 Volvo 850 - FYI

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Member - Posts: 1
Member spacespace
Joined: August 22, 2006
Location: United States
Posted: September 24, 2006 at 3:16 AM / IP Logged  
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.
1996 Volvo Platinum 855T

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Disclaimer: *All information on this site ( ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

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