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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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Glimmer from front sidelightsViews : 564 Replies : 6Users Viewing This Thread : |
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Mar 16th, 2018, 19:32 | #1 |
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Glimmer from front sidelights
I changed a blown headlamp H7 bulb there and all is well again but I noticed after I locked up there is a slight glow from the LED front sidelights in the headlamp unit. Anyone else know if this is normal?
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Tek-Emo Villis Emo Bis V70 SE NAV 1.6 D2 2015MY POWERSHIFT, D4162T, 93000miles, RED. /VOL FCR/PEPER OBD2/Acron 9135 OBD2/L.E.D Flasher/VDASH/ANCEL BA301/Topdon Top Scan |
Mar 16th, 2018, 19:49 | #2 | |
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Quote:
My old neighbor put the led bulbs above his rear registration and they flashed when he locked his car...
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2009 V70 R-Design 2.0D SE Sport 2007 XC90 D5 SE Lux 2006 XC90 V8 Executive |
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Mar 16th, 2018, 19:55 | #3 |
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The led bulbs came with the car! They are integrated into the headlamp unit. I only replaced a Xenon H7 as that was what was there already. I will go back out in a mo and see if they have gone out.
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Tek-Emo Villis Emo Bis V70 SE NAV 1.6 D2 2015MY POWERSHIFT, D4162T, 93000miles, RED. /VOL FCR/PEPER OBD2/Acron 9135 OBD2/L.E.D Flasher/VDASH/ANCEL BA301/Topdon Top Scan |
Mar 16th, 2018, 20:35 | #4 |
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I went out into the night and the freezing east wind and the sidelight glow has gone. Not quite a home safe function but I'm glad they are not glowing and draining the battery.
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Tek-Emo Villis Emo Bis V70 SE NAV 1.6 D2 2015MY POWERSHIFT, D4162T, 93000miles, RED. /VOL FCR/PEPER OBD2/Acron 9135 OBD2/L.E.D Flasher/VDASH/ANCEL BA301/Topdon Top Scan |
Mar 20th, 2018, 08:24 | #5 |
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LED bulb glowing, either due to inserting the "wrong" type of lamp, or from factory, typically happens for a short time after stopping the engine. Then the responsible controller goes to sleep mode, and the small sensing feed to the lamp ceases.
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Mar 20th, 2018, 11:14 | #6 |
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I have aftermarket LED's in mine and they do the same thing. They stay on for 30-60 seconds after when the car has been active. This could also include just opening a door as the DIM 'wakes up' when the door is opened. If you look in the manual regarding changing the Xenon bulbs, it talks about residual energy in the bulbs.
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Mar 21st, 2018, 08:04 | #7 |
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But that's two different things. The Xenon drivers may have electricity stored in capacitors. The LED "glow" is due to the probing current, sensing filament failures in ordinary bulbs.
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