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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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CEM Wiring/Repair InformationViews : 219257 Replies : 357Users Viewing This Thread : |
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May 24th, 2010, 19:26 | #21 |
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fog lights
Does this controll the fog lights in my 96 S40, does anyone know where the relay is located for the front fog lights or what item number it is Haynes and sidaV are useless!
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May 25th, 2010, 22:06 | #22 |
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I would suggest you check your PARKING LAMPS and POSITION lamps fuses in the engine compartment. One of them, I can't remember which one, had a fuse blown and apparently it was affecting front and rear fog lights. When i replaced that fuse I got both fog lights on the front and the one on the back working fine. Very odd as the Fog lights fuse was fine.
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Oct 14th, 2010, 13:03 | #23 |
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Thanks for the very useful information, Russell_S.
In my case, I have a V40 which had a failed LH dipped beam. The light was on if the engine was running and off if the engine stopped (all switches were on). Finally, this was traced to a problem with the relay on the CEM board. When the engine is on, the control voltage on the relay is about 13V, which is high enough to activate the old relay. When off, the battery voltage is about 11.5V, so the relay does not move at all. The problem is definately with the relay. But to get a replacement relay is not easy. Dealers do not have the relay as a component but would charge about £450 for the whole CEM. In the end, I found a replacement from RS (stock number 217-2876) and only costs £1.47 plus VAT and del. Link here: http://uk.rs-online.com/web/search/s...7-2876&x=0&y=0 I have also attached the datasheet here. It is 15A compared with the old 20A, but well enough for the dipped beam (about 5A). After replaced with the new relay, my V40 returns to normal. |
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Nov 14th, 2010, 15:12 | #24 |
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hey qipan, you said yours was the ls, and that was the replacement relay for it.
will that same relay be ok for the right side light? cheers andy |
Nov 15th, 2010, 10:37 | #25 |
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Hi All,
Great info, priceless. The other relays in there, are they for fog lights? I'm trying to retrofit front foglights and want to know if there's anything else I'll need. Many Thanks, Daniel. |
Nov 15th, 2010, 17:45 | #26 | |
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Quote:
Hi Andy From the picture of the CEM board, it appears that they are of the same type relay with the same part number on the body and so I think it should be okay for the RH side too. |
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Nov 15th, 2010, 22:04 | #27 |
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great stuff qipan
one last thing, does a phase 1 cem fit on a phase two cem, aand vice versa. cheers |
Nov 17th, 2010, 14:43 | #28 | |
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Quote:
Probably you can check up with your local Volvo dealer parts to find out. After all the advice/info from them is free! |
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Dec 8th, 2010, 00:40 | #29 |
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XC90 CEM - Xenon probs
Hi, I have an XC90 (2003). My passenger side xenon dipped beam flicks on and off whilst I'm driving, sometimes it stays on for a whole journey other times it is on and off every 30 seconds, I've also got water coming into the cabin from somewhere (it's under the floor near the yaw sensor).
Just wondering if these things can all be linked. I'm really scratching my head with this one. I've posted under the proper forum section my problem but saw this thread whilst searching for an answer and just thought I would ask? regards, Jim. |
Dec 10th, 2010, 09:45 | #30 |
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Hi Jim
I think you can do a quick test to see if the problem comes from the relay. Switch on ALL lights but without turning the engine on (this will set a lower battery voltage to the relay), check if the faulty light is on. Then turn the engine on (set a higher voltage) and check the light again. If the light is off when the engine is not running and on (or sometime on) when the engine is running, it is almost certain that the relay is faulty. If the light is on in both cases, it may be something esle like bad contacts etc. |
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