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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Aflarm...?Views : 508 Replies : 8Users Viewing This Thread : |
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May 14th, 2021, 23:04 | #1 |
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Aflarm...?
Yes, I know there is no f in alarm. That might be the problem.
My clearly "rolling project" 940 arrived earlier. A few curious quirks, a couple of concerns, and much curiosity. Not the least of which is... Do these cars have an alarm as standard? Because mine came with no fobs, and an aftermarket looking flashing led thing stuck on an A post. Central locking works fine, but I want an alarm and the convenience of remote locking. And I'd prefer not to have the inconvenience of a dormant factory fit system waking up when I'm god knows where! |
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May 15th, 2021, 01:36 | #2 | |
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I think it's Guard1 but might well be wrong, i belive you can get aftermarket fobs or even genuine ones at a reasonable price and program them to the alarm but there are several other people who know the system better than me. It would help them enormously if you could give details of the MY, exact model and year so they could narrow down which you're most likely to have.
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Cheers Dave Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........ |
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May 15th, 2021, 09:21 | #3 | |
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Regards, John.
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May 15th, 2021, 11:44 | #4 |
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If the LED thing on the A-pilar is triangular with a button on it then you almost certainly have a Volvoguard 1 alarm as others have suggested. They were fitted to cars up to about 1995. Either factory or as a dealer option.
The Volvo fobs looked like the attached picture. They are quite rare now but crop up on eBay periodically. There are several things that fail and cause people to abandon the system. Inside the fob is a 1MHz ceramic resonator which comes detached from the PCB. This results in the fob not working and the LED not illuminating. The fob can be easily opened and the component either re-soldered or replaced. Inside the triangular thing in the car is a small blue Murata variable capacitor which tunes the receiving circuit. This goes out of spec. Some have effected permanent repairs just by adjusting this capacitor. However, I found it had become unstable and wouldn’t stay in tune so I replaced it in my 1994 Wentworth. Relatively easy to do in situ if you’re a bit nifty with a soldering iron. More detail on fob repair. https://www.volvoforums.org.uk/showthread.php?t=253183 More detail on receiver repair. https://www.volvoforums.org.uk/showthread.php?t=200312 |
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May 15th, 2021, 11:53 | #5 |
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Triangular with a button?
I just grabbed pics, and... It sounds like it then! My concern is not so much how to get it working as how to stop it working when I don't have any fob plipper thing to turn it off. Although if it could be made to work again it might save me installing something else. |
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May 15th, 2021, 16:46 | #6 |
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If your car volvo guard 1 fuse is under bonnet around suspension strut area passenger6 side or above your knee drivers side .see other posts by me
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May 15th, 2021, 17:29 | #7 |
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Check out Hawk alarms. The remotes on our S70 both fell to bits, so I got a Hawk central locking module. It was a doddle to fit, and has worked perfectly for years now. They also do full alarm systems. The company were incredibly helpful and were even able to supply a wiring diagram for the S70.
https://www.hawkcaralarm.com Cheers Jack |
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May 15th, 2021, 18:13 | #8 | |
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Irritatingly, I have another Hornet or whatever, sold as "Avital", somewhere. Bought for a project it never got fitted to, and trying to think where it got hidden. Can order them from the US for about £70 all in, allegedly, and they've got pretty much everything I'm after, inc soft chirpy. But I'm reluctant to buy something I should already have! |
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May 15th, 2021, 23:45 | #9 |
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If you get the Volvoguard 1 working it has a configurable option for an audible acknowledgment. They generally only have horns rather a siren though. This is good because the backup batteries in Volvo sirens eventually decay and destroy the siren. The basic horns don’t have this weakness.
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