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Install Keyless Entry

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

Ozark Lee
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Ozark Lee

Re: Install Keyless Entry

Post by Ozark Lee » Thu Dec 24, 2015 10:25 am

On my daughter's '98 I think my local indy charged her $40.00 to look up the PIN number and mate an ebay remote to it. Any shop with a Volvo Scan Tool can do it in just a few minutes. Just be sure to get the correct remote.

...Lee


'94 850 N/A 5 speed
'96 Platinum Edition Turbo
Previous:
1999 V70XC - Nautic Blue - Totaled while parked.
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

fwchiro007
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fwchiro007

Re: Install Keyless Entry

Post by fwchiro007 » Thu Dec 24, 2015 11:17 am

Thanks for the feedback, I'll have to see if there is anyone else in the Raleigh area with the scanner


1998 XC 70 16t, whites, fwd for the tire smoke :lol:
2006 VR still recovering from her fender bender

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abscate
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abscate

Re: Install Keyless Entry

Post by abscate » Sat Dec 26, 2015 6:02 am

Get it done and then go back to the dealer and let them know how much money they lost. Social media is also good to to scold the grifters. One dealer in town tried the same trick with me...wanted 100 per blank plus 125 per blank to program. My indie did it for 40 per and no charge for programming in exchange for two weeks flexibility. He waited until he had a bunch of jobs then bought three daysVIDA to run all his jobs that week. I was overseas do dropped the car at his place and saved parking fees. And he dropped me at the airport...

:D


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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW

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xanthefin
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Re: Install Keyless Entry

Post by xanthefin » Sat May 11, 2019 4:13 am

Ozark Lee wrote:
Wed Feb 11, 2009 7:19 pm
The aftermarket systems are just pure hell on the wiring harness and, in my experience lead to other problems down the road.

#CUT OF ORIGINAL MESSAGE#

...Lee
Sorry bring this up from graves. I thought as i end up here with duckduckgo and as this post i disagree. Its pure simplicity.


I installed aftermarket one for fun because i didn't or couldn't get now yet remotes for mine and i had this from my earlier car.





Negativities are for this that usually these systems wont detect if you did use door's lock cylinder to lock or unlock so they are dump if state changes without them. So you need then use first other button to bring this dummy system to right state to lock or unlock locks.



Volvo 850 system of central locking are pure simple. Lock AND Unlock signalling are done with SINGLE wire. There is with Estate (855?) 5 door locking system 3 'signal' wires from 'master' solenoids to main control unit.


Pick one of these for your aftermarket locking system:
GN-BN (Rear / trunk (what to call in english))
GR-R (Driver / LEFT)
BL-P (Wife / RIGHT) :mrgreen:


If you close all door latches and cut any one of above three wires your locks will LOCK.. Additionally if you bring Earth (just for a *beeb*) to same wire.. locks will UNLOCK.


Now you know how operate that!



You need detect your aftermarket system relay system.

Here is mine raw version:
Image



Normally its switching relay so..

Close button relay NC - contacts between original (one of three signal wires) wire which you will cut (NC contact opens -> Doors locks)
Open button relay's NO contacts between GND (Earth) and this same wire (Wire gets Earth signal -> Door opens from lock state)


.. Thats all.

Now you know how to wire any lock systems in no time to these. Wires are to be found at drivers foot area below steering wheel.



Again sorry to bring up this from graves. I thought share this here. I didn't search much where put this and if this was told here anywhere already.. sorry!



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